4 Video Views·Jan 24, 2026
Jan 23, 2026 BLOOMFIELD ART | FINE ART RESTORATION | FRAMING
This video continues the restoration of a severely distorted 18th-century portrait, focusing on the first full stage of surface cleaning and varnish removal.
In this episode, I begin removing centuries of accumulated surface dirt, smoke residue, nicotine staining, and discoloured varnish. This is one of the most revealing and risky stages of any restoration. As layers are carefully reduced, the original paint surface begins to emerge, often in unexpected ways.
Not everything improves, and not every area can be taken as far as we might like. Part of responsible conservation is knowing when to stop.
This is not a dramatic transformation it’s a measured, real-time deep dive into how paintings actually respond to cleaning, and how conservators make decisions as they go.
This is Part 3 of a multi-part conservation series documenting the real, careful process of restoring a fragile historic portrait.
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ABOUT Bloomfield Art Restoration is an unlimited series exploring the art restoration of oil paintings, period history, and artists lives.
ABOUT Bloomfield Art & James Bloomfield Bloomfield Art specialise in all aspects of art restoration, oil easel painting restoration and fine art conservation. We offer fine art restoration and picture cleaning services across the North West of England, We also offer a National Painting Restoration service. Bloomfield Art is an associate member of the British Association of Paintings Conservators - Restorer's (BAPCR) . We have a selection of quality antique oils for sale please vivit our website to see our current stock, we offer free international shipping:
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We have completed art restoration work on behalf of Christies London, National Gallery Ireland, the NHS, local authorities, schools, churches and historic houses. We have also worked on paintings by Sir Terry Frost, Ambrose McAvoy, Mary Fedden, Kyffin Williams, Robert Lenkowiez, Helen Bradley, L.S Lowry, R.R. Reinagle, J.Hopner, W.Sant and many more. James Bloomfield is an accredited Art Restorer and Artist and has worked on 1000's of oil paintings. He was selected for the prestigious John Moores painting prize in 2012 and has his artworks in museum collections in the UK. He lives and works in Manchester England.
Bloomfield Art Restoration carefully removes dirt and smoke damage from a 300-year-old painting. The restorer uses various cleaning solutions and techniques, including UV light, to reveal the artwork's layers. Careful swabbing and testing uncover centuries of grime, revealing subtle brushstrokes and hidden details.
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As things stand now everything surrounding this registration has been focused on establishing the
Dillad if you understand don't hinder or make it difficult for him to carry it out repeatedly
Today this truth empowers us to begin the most effective way forward
at process This is where we begin uncovering what's truly here
e relationship to the artist the relationship to the time and what has been adjusted by
centuries of grime smoke and decay In a moment like this there are no promises Some things will
mprove some things may not and some surprises are inevitable This is the point where the
painting begins to tell its own story I'm so excited to reach this moment with this piece
and I know you'll all feel the same It's been a while since I last ran my tests so I've just remixed my
The original solution and I'm simply returning to the painting to determine what we'll
remove—right away you can see it's going to be quite dramatic That top layer of smoke—
Brown nicotine staining rests atop multiple layers of varnish and these will be the first
instances where we can truly see how dramatic the cleaning will be What I like to do is a number
after different tests so this will be the second pass once the initial surface
dirt has been removed I'll go over again to make sure there isn't a lot lef
and then I’ll know how thick that layer is and this will be the third pass and you’ll see
at there isn't really much to remove at all so that's my base layer which will be
where the varnish layer will sit Once I'm satisfied with a quick mental image of where the
I can begin to examine other areas once I've worked on the layers so I always start with the white pigments
They're the strongest and then the second place I like to focus on is the forehead Again it's
strong it contains white pigment it's typically thick paint and I know there's something in there
There will be no damage when I enter that area and you can clearly see the thickness of the
dirt that will be removed My main concerns however are these blistered raised areas over
e crack layer At first I thought or hoped it might be in the varnish layer but upon closer
inspection my worst fears have been confirmed—it's the paint surface that has blistered and
wrinkled and you need to be extremely careful here because the paint surface is raised above the
crack layer and isn't properly supported so you'll have to handle it gently when you look at it
cleaning those blistered areas So here are my swabs from strongest first clean to second
pass and then third pass— you can see the gradual improvement so I'm confident in my solution
and ready to begin Okay everyone you can now see from revisiting those test areas that I have my
a solution that will completely eliminate all the nicotine tar and smoke damage accumulated over 300 years
surrounded by pipe smokers and over that fire it's thick—you can see how brown it is that's wha
It looks like smoke or tar residue the kind of nicotine staining we refer to as such So this first pass
We'll be removing that from the surface I'm going to start with the cravat area since it's white
The pigments are the strongest and then I'll check inside his jacket to see what we can find there
s wig and parts of his face as well So it's going to be like a little journey of discovery
Here now that we've stabilized him we're finally going to see what's left of this
a painting under 300 years old and it hasn't shifted at all in that time and it's thick so
Let's get going It's so nice to see that first swab lifting away a larger section of this
dirty surface and you can begin to see the brushstrokes emerge giving you a sense of
what the artist is constructing while also revealing the layers and the complexity beneath
of this painting including the varnish so even though I'm removing so much brown
staining from this picture you can still see that there are recesses where dirt is trapped
at varnish layer too so when I'm doing my second pass the swab's getting paler because it's
receiving less and more of it is getting pulled into the center of the swab but I'm still seeing
areas of dirt remain and that's when I know I've reached the varnish layer and it will be the same
The solution I’m applying now into the wig—I’m not adjusting its strength I’m confident
that all I’m removing is that dirty smoky tobacco-stained area on top and again the second
The first pass removes less then the second pass removes even less and finally on the third pass nothing will come off
at all it'll just be a very milky solution this looks like a drop of varnish that's on the
painting so at some point in the past when it was varnished it dripped and pooled there
at's something to keep in mind later so with the cravat finished and the part of the wig done
I'm just going to take a quick look inside his coat so this area is where his coa
and I can see some very thick impasto brushwork here—it's a little bit reminiscent of Nella
It's quite thick so there'll be plenty there'll be ample paint on there—hopefully plenty
of pigment too—and again the same solution going in on the first pass then tidying up
up in the second pass which will reveal the varnish layer and what I'm dealing with as this
painting progresses so at the moment it's not very promising—still looks very brown but that could
Just that discolored baked-on varnish so yeah fingers crossed it brightens up considerably
as you can see from these test shots this portrait is quite dark—I think it's the jacket you know
It's going to be a dark brown though that might be off because there's also the varnish to remove
but you can see I'm having to uncover layer after layer of this discolored smoke-darkened brown
staining from the surface before I get anywhere to see exactly what we've got so I'm just
going to now go over the painting slowly carefully and just start revealing those layers and
carefully remove the entire painting down to the varnish layer—I'm being cautious to ensure I don'
ake off too much but I also want to show what's underneath and what's left you know
f it's been in a fire there might be other damage I'm unaware of or it might just be
darkened over time perhaps the background will be dark and his jacket will be
It's all a mystery to me right now—I'm completely in the dark and I still have no idea exactly what we're going to get
With this portrait I think I'll just keep working on that surface keep it clean and then we'll see what happens
appens once I've got that down to just one level across the entire painting so I'm using quite a
large swab here to clean these areas and it's filling up very quickly so I'm having to change it frequently
a lot to clean up but what I'm discovering is that even though it's so dark what's emerging
beneath the wig there's still another thick layer of varnish perhaps two millimeters thick that I'm going
I have to work on this part so it looks like I found the edge of his wig here so right around
there is where his full bottom wig meets the background so this section here is where that happens
e edge so this area here is all background which I'll leave for now—let's see if we can find
At the top of his wig it's so thick—just look at it it's absolutely dark brown almost black
I can see the wig is going to be much brighter underneath that varnish layer once we get down
to that too but for now I'm just going to keep removing all this brown nicotine and tar staining
eep struggling with that word because when I was taught we just called it nicotine
staining but then a few people said well it's not nicotine—nicotine is colorless
and it's tar deposits okay but I've always just called it nicotine staining because it's coming
from cigarette smoke and tobacco smoke—maybe I should just call it tobacco staining instead
It just covers me but this is looking good now—I can really see there's quite a lot of work in it
s wig actually has quite a lot of nice flourishes of paint in it and it's quite
eavily applied so it'll be interesting to see the precise color tone once we reach that layer
Okay now that I've set the base tones for my wig and my layer and I've got the background layer
Let's take a closer look at his face—just notice how smooth and even the paint is
here especially on his forehead where the artist typically applies a thicker layer
add more white to the skin tone so it's a bit stronger these areas can be a bit more pronounced
delicate though it's faded into the wig but it still looks like there's discolored varnish o
There too let's come down here—same solution I'll just gently remove around his eye see what—
It's so thick that I'm just going to remove this swab—now you can see his eye
revealing there and his face looks good—this is the first time this has been seen for a while
It's been such a long time so it's truly special to finally reveal this—just think of the life this painting has lived
for 300 years and for at least 150 of those it's looked like this—probably maybe not quite as bad
so this is the first time we're actually seeing the sitter for the first time—just imagine all the
historical moments this portrait has endured quietly deteriorating yet still bearing witness—just look a
e eye I think he's got a kind face—he looks quite kind Let's keep going Let meet down to his
Whether it's a stock or a cravat it's thick in places and some of it has become so encrusted that it's flaking off in small chunks
Let's do a second pass there coming down from his forehead so you can
immediately see how much paler it is as most of it has just accumulated
The paint's pooling around his eye—imagine there's still quite a bit lingering there
but where the paint has cracked and cupped through it's holding the tobacco
staining in chunks and you can start to see elements of his eye emerging
I wonder if there's a clue in there that will show us how to keep bringing this down to him
lips and his chin as mentioned this is the first pass—you can see here that some of these little
Thicker deposits are emerging from those cup cut areas I think we'll uncover even more
once we begin removing the varnish layer and releasing those solvents but this is promising
There are some lovely tones in there so I'm just hoping that as we remove these dirt layers
and the varnish layers we truly uncover the artist's original intention—let's reveal it
The side of his face—look at that it's just so thick it's unbelievable I've had some really
old paintings were messy but this one is impossibly thick—this is the shaded side
of his face where the light hits the other cheek so these tones will be darker
Anyway I can see a glint in his eye that's gradually revealing I need to locate
the edge of his face and then his nose will also have a shadow beneath it of course
right there beneath his lips there will be a shaded area so that's what I'm aiming to achieve at this point
The current goal is to level up that cleaned area so both sides are even—notice how I jus
Touch this—it's mostly gone now but you'll find deeper stains in the recesses
beneath his nose and it's still quite thick around his mouth where we've
Not quite done yet and then it bites you—there's that brown color creeping back in so let's give
that side a second pass you can really start to see a bit more of his character coming through
He still seems shrouded in time doesn't he Still a little distant We'll see what unfolds when
We start to look at that varnish layer—I'm really pleased with how he's turning out there are
some lovely tones coming through and it's truly beginning to reveal itself as a painting now
rather than just a dark mass almost like a solid wall of darkness we could see throug
Yeah he looks good—let's just see what's happening with this wig and find the edge
so it appears to be a genuine full-bottom wig which will assist in dating the portrait
rying to situate it at the correct moment in history
I've discussed wigs at length in the past when talking about other portraits
So this will help me with dating—this gentleman must have had some money he's had his portrait
painted and is wearing a very expensive full-bottomed wig which he's clearly very proud of
So I wonder what his profession was or perhaps he was just a gentleman a man
of means—hopefully when we get to his jacket there’ll be some clues maybe
or if we find his hands or if he's holding anything but they might not be apparent in this size
of portrait so once I've established the outline of this wig the background is just going to be pla
To be one tone I suppose what I might do is just go down to his jacket now we'll do it first
Pass and see if anything reveals the outline of his shoulder and jacket
so I've just been cleaning this background area which is pretty uninteresting
—removing dark brown from a dark brown background—but as you come around here
I don't know if you can see that you're just getting the early signs of a fake oval as it was
common at the time for many portraits to have an oval shape painted around the entire canvas
and this seems to me like the start of one so I'll see what develops as we keep working
on cleaning that area—while I'm handling his jacket or coat using the same large swab aga
and I'm starting to see some texture brush strokes and hints of form emerging
but it's still incredibly dark and these are the tricky parts to clean up
When you begin cleaning paintings you want to see dramatic results—just like with the Venetian landscape we
worked on a few weeks ago where the contrast is immediately obvious and you can clearly see what you're achieving
removing and the nicely cleaned area underneath whereas with this and paintings like this cleaning is always
much harder because it's much more difficult to see where you're working and what you're actually doing
Removing them requires great caution—you must trust your approach and continuously verify
your progress but yes these are the tricky ones for me especially dark images with low light
backgrounds in dark tones and you just need to take your time and trust the process—so this section
won't be very engaging for you right now but if something interesting comes up I'll let you know
I'll show it to you soon but for now I'm just in the thick of it scrubbing brown off brown
let's just keep going and see what shows up—I just wanted to show you this under UV light
so where it's green is the varnish layer anywhere still brown is where nicotine remains
on top so you can see as I move along the canvas I can just double-check to make sure tha
all the nicotine is being released and I know this green layer is a varnish coating that we'll
Tackle next right so this is how we locate him after the first pass clean—so this is with all that
obacco residue discolored brown soot smoke—you can just about make out his cloak or coa
You can see this simulated oval on the left side and his stop—there you can see his face and you
You can see that stunning full-bottom wig too—it's quite impressive he still looks very
monochromatic but there's also the varnish layer to remove so the next step will simply be to begin
doing some additional tests again—that's my original one on his stock so I'll probably
start cleaning that for varnish removal and we'll see what happens with that crackler too bu
He looks great—there's so much more going on here than when we first started this image
also has real depth and I'm just hoping some of the paint surface can still be saved
because this painting has endured the trials of time yet he appears magnificent and here are the
cotton buds used in the process—notice how the tone matches perfectly all that dreadful tobacco residue
smoke residue and this pile stinks too—it’s absolutely disgusting so I’m throwing it in the bin and then—
we'll begin with the varnish removal so my varnish removal solvent will attempt to strip that off
A layer of varnish resting on top of the painting appears thicker in some areas than others
so I've returned to my original formula—the small white belt that clean area there is wha
I'm aiming for something that will take several passes and what I need to be careful about are those
Raised blistered bubbled areas of paint surface—I don’t want to overclean them and remove
the peaks so you can already see there’s quite a difference where I’ve taken that off
but it's uneven with varying thicknesses and we have that crack alert to deal with so
once again this will be a very cautious approach with this clean I'd just like to take
this opportunity to welcome all my new patrons who joined since the last episode—it's great
to have you along and thank you to everyone on YouTube who has liked commented and subscribed
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so here I'm just using my UV torch to remove that top layer of varnish making it extremely
layer and then there's another varnish underneath but the area glowing green is where the
varnish is applied and you can see a large drip here where they applied it rather loosely
So I'll start by removing the thinner parts then go in more detail to address the thicker areas
This method works wonderfully when removing a discolored varnish from a dark background or dark
area of a painting where the tones are primarily brown and deep hues and our varnish is also brown
and extremely discolored so the UV light just helps you identify exactly what you'removing
Okay so you can see here where the varnish is green and fluorescing very brightly compared
to the area I've cleaned where there are still a few small spots but it's somewhat uneven
So this is what I'm dealing with right now—okay I hope you can see from that what I'm trying to convey
o do that so the UV light reveals the green fluorescent varnish which is quite
but when you're cleaning and painting in this dark space and there's still that tobacco staining
we've removed most of it remains a dark background so you need to see where the varnish is
The layer is there and sometimes you can tell by touch—you can feel the stickiness of the varnish coming off
especially when it's thick you don't want to penetrate that paint layer too deeply so that UV light will
Just show me where I need to remove that varnish so I'll just go across the background
There he is revealing the stock's a lot brighter but there's so much to clean on this—
and I'm only just starting to understand what's really going on with that paint surface
entatively clean the background around his wig now and then we'll move on to his face which I'm
You're all probably dying to see the results and so am I so let's just do a little more of this
background then we'll move to his face and body—okay I'm just going to take a look at the
First let me show you my solution so I can see what I'm working with then we'll take a look at this
forehead—this is where the worst of the cracking and wrinkling occurs and the problem is that all those
I was hoping those wrinkles were in the varnish layer but I think
they're actually in the paint layer and those wrinkles are still trapping all that dirt which will block it
Some of the solvent so I might need to go a bit more detailed in
that area but you can already see the difference—it's much brighter
where the solvent is adhering and attacking the paint surface not just the
varnish layer—I might need to reconsider my approach for these parts here where
It's a significant improvement here and here but these aspects concern me especially since it's quite deep
deeply cupped because of the raised bubbled paint layer I don't want to remove the peaks since I'm
Okay this is where I'm going to leave him for today—there's quite a bit of work
involved here and the light started to fade so I'm probably about halfway through
That background is clean but the wig still needs a lot of work on the face area once
you get up close you can see that this crackler is holding a lot of dirt so I'm jus
I'm going to think about how I'm going to approach this—I think that's probably the biggest wig
I've ever seen on a painting but yeah considering where he started from and where he is today
He looks much better so I'll come back in the morning and see how he's doing okay let 's
continue with this clean It's the next morning now and I've just been experimenting
with a different approach yesterday we began working on his face and a significant amount of this is accumulating
in this area so I've adjusted my method and tested it on this wig and it appears to be making quite a difference
so that's the dirty varnish right there—if you can see this area I've just cleaned you
can now see some of those tones coming through along with some of those brush strokes
so I think I'll continue down his wig and then we'll look at the delivery method for
so when I was using the UV light the varnish was fluorescing that green color
and then this varnish underneath is a second layer which is why I've adjusted my mixture as
well because the first mixture wasn't having any effect on this varnish layer which is why
remained present so with a slight adjustment I'm now getting down to the paint layer—beneath
that heavily discolored brown varnish which is quite stubborn though I do believe there's
an element of it that feels as though it's baked in but that doesn't help when it comes to those heavily
cupped areas simply resist the cotton swab one technique to soften a particularly stubborn
varnish is to use a compress—this involves a small piece of felt soaked in the cleaning solutio
A little bit of melonex on top then I time it for 30 seconds a minute or two minutes
and just make sure it's softening the varnish layer enough to lift it off sometimes
this works and succeeds then you can gently use a soft brush to remove the varnis
and lift it in this case it's softened just enough to let me roll over the top
with a swab and remove some excess but there are still stubborn bits that won’
t budge and this only strengthens theory that it’s endured extreme temperatures
at this varnish is deeply embedded in the paint's structure and I also have my new
solution that's working well—so the same solution used on the wig is also proving effective
effect on the face especially in areas that are smoother and less affected by heat but again
in those wrinkled areas I'll need to use that compression technique as well Okay I think so
ere comes a moment in nearly every painting restoration—when the work is in such a fragile state that
you must step back and stop if I were performing CPR on a patient this would be the point where I’d pause
someone would just pull you aside and say "Look I think you've done all you can do with
this patient " and the more I work on this the more I'm trying to deliver something tha
The more I realize the limitations of what we've been given to work with the less I feel it's truly there
with so much of his face visible yes you can see so much more in his expression but that
cracked fire-damaged paint—I think the only thing that could suggest such intense wrinkling is
ense heat that has really puckered and wrinkled the skin altering its tone and texture and that's what's holding
varnish and if I clean too deeply into that varnish I'll remove the tops of those peaks
wrinkles I don't want to deal with but also when I'm using another method where you can see me
Apply a solvent and under compression it softens somewhat—I've achieved good results
on the cravat but in the face again it's softening things a little too much
so I'm not saying I'm defeated I'm just saying I've realized where we stand in terms of wha
This painting can reveal the cloak and body area again but there's no pigment there—perhaps
it has faded over time or maybe it was hung somewhere and the entire pigment has deteriorated
faded perhaps he used unstable pigments and they simply dissolved into nothing leaving behind
only a faint trace with no real color—quite a disappointment and I must admit I'm disappointed
because I thought we might uncover some underlying color but we've now reached
the core of the painting here and we're preserving this image of this gentlema
So my next step is simply to remove any remaining residue from this painting—any small areas
of varnish I can find—and then we’ll apply a barrier spirit to prevent any further issues
e cleansing effect of any solvents we've used and then we'll assess our current progress
and what the next steps are with this painting—okay I've just put in another hour or so on
e guy on the left side where you can see all these deeply wrinkled raised crackled areas
s is the area that's hardest to clean and I think the heat whether it's from above or not makes it worse
fire or in a fire this area is most affected and it's the hardest to clean I feel like this is the
varnish is I don't know whether it's carbonized or stuck to the paint so firmly that you jus
I can't remove it and I don't want to be too aggressive or go too deep but the sides where
's smoother cleaned quite nicely and was also easier to remove so I think that's where
I'm going to leave that for today I think next week we'll come back and have another one
assess but I think we'll be applying the barrier varnish and then retouching in the areas where
ot necessarily any losses from damage to the right side—there are just a few small details here
and there and anything on the face that's distracting rather than aggressively cleaning areas I
might just add a few strategic touch-ups to balance him out but he's looking so muc
He looks absolutely fabulous—I really like him he has a truly distinctive and appealing presence and it's obvious
plenty of age so we'll come back next week and see if we can find a little bit more abou
Who the artist is or even who the subject might be—okay guys I think that's where we'll leave it
for in this episode it was quite an epic transformation from how it began to how he looks now and as
mentioned there's so much going on with this portrait that I think there comes a point when you
do have to realize that there's not much more that can be gained from cleaning a painting that's
We've been in this condition so we'll come back next week and look at the barrier varnish
retouching tidying up and we also have that frame to consider so there could be some
framework is there as well so I hope you enjoyed that longer deeper dive episode—thank you to all
Thank you all my patrons for supporting the channel—and thank you too fellow YouTubers because I can't even begin to express how much this means
at thanks to all you YouTubers too for all your comments and support please don't forget to
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To hit that target Manchester's weather is icy cold today and windy—brutally cold when that
wind bites you—but it's nice and warm in here so from me and the Georgian we'll see you there
Have a lovely weekend next time take care guys—see you soon bye