How Many Layers Of Skin Does A VI Peel Remove?

A VI Peel removes the full thickness of the epidermis and reaches into the papillary dermis underneath it. It does not reach the reticular dermis, and it is not a deep peel.

That is the anatomical answer. There is a second answer most articles skip: “layers” also means the coats of solution your provider paints on during the appointment, usually 1 to 4. Those 2 things are connected. The number of coats applied is one of the main factors deciding how deep the peel actually goes, because peel depth is dose-dependent rather than fixed by the bottle.

This page covers both meanings: the skin layers a VI Peel removes, where it sits on the clinical depth scale dermatologists use, and why its acid percentages look weaker than its results suggest. For the treatment overview, see how a VI Peel works. This page does not cover at-home kits. The FDA warned on July 30, 2024 against using chemical peel products without professional supervision, citing chemical burns, infection, skin color changes and scarring, and sent warning letters to 6 online retailers.

The 2 Questions Hiding In “How Many Layers”

People asking this question want 1 of 2 different things.

Layers of skin removed. How far down into your skin does the acid reach, and what comes off afterward. The answer is the full epidermis plus the top of the dermis.

Layers of solution applied. How many coats the provider paints on in the treatment room. The answer is usually 1 to 4, decided by your skin type, your concern, and how your skin responds during the appointment.

The second controls the first. A single coat on prepped skin behaves like a superficial peel. Multiple coats on the same skin push the injury deeper. This is why 2 people can get “a VI Peel” at the same clinic and come away with different downtime and different results.

Your Skin’s Layers, And Where A VI Peel Stops

Your skin is built in 3 zones. A peel is classified by which one it injures.

Layer (top to bottom)	What it does	Does a VI Peel reach it?
Stratum corneum	Dead cell barrier at the surface	Yes, removed
Rest of the epidermis	Living cells, plus the melanocytes that drive pigment	Yes, removed
Dermal-epidermal junction	The seam holding the 2 together	Yes
Papillary dermis	Upper dermis, where collagen remodeling starts	Usually, depending on coats applied
Reticular dermis	Deep structural collagen and elastin	No
Subcutis	Fat layer	No

The pigment point matters. Melanocytes sit at the base of the epidermis, which is why a peel that clears the full epidermis can shift hyperpigmentation in a way a surface exfoliant cannot. It is also why depth control matters on deeper skin tones, where an over-aggressive peel can trigger post-inflammatory hyperpigmentation instead of fixing it.

Where The VI Peel Sits On The Clinical Depth Scale

Dermatology uses 3 categories, defined by anatomy rather than brand. A review in the Journal of Clinical and Aesthetic Dermatology sets them out as follows.

Category	Depth reached	Typical agents	Downtime
Superficial	Epidermis only, corneal down to basal layer	Glycolic 30-50%, salicylic 30%, TCA 10-35%	1-3 days
Medium	Full epidermis and papillary dermis	TCA 35-50%, Jessner’s plus TCA 35%, glycolic 70%	5-7 days
Deep	Mid-reticular dermis	Baker-Gordon phenol	2-4 weeks

A VI Peel is marketed and generally classified as medium-depth, which puts it in the middle row. For how it compares against glycolic, Jessner’s and straight TCA peels, see VI Peel vs other chemical peels.

Why A VI Peel Goes Deeper Than Its Percentages Suggest

Here is the part that confuses people who read the ingredient list. U.S. Dermatology Partners lists the VI Peel formula as TCA 10-12%, salicylic acid 10-12%, phenol 10-12%, tretinoin 0.1-0.4% and vitamin C 4%.

Compare that to the table above. TCA at 10-35% sits in the superficial band. Medium-depth peels are normally built on TCA at 35-50%. On concentration alone, a VI Peel looks like a superficial peel.

3 things close that gap:

• Combination beats concentration. Salicylic acid and phenol are keratolytic. They break down the stratum corneum barrier first, so the TCA that follows meets far less resistance than it would on untreated skin. This is the same principle behind the classic Jessner’s plus TCA 35% peel, where individually milder agents stack into a medium-depth result.
• Depth is cumulative. The JCAD review states that depth of chemoexfoliation is cumulative and dose-dependent. Each additional coat drives the injury further down. A 3-coat application is a materially different treatment from a 1-coat application.
• Prep changes the starting point. Skin that has been off retinoids for 7 days behaves differently from skin still actively exfoliating. See preparing your skin for a VI Peel.

The honest version: a VI Peel reliably clears the full epidermis. Whether it reaches the papillary dermis on your face, on your appointment, depends on how many coats your provider applies and how your skin was prepped. The manufacturer does not publish the exact concentrations, so the depth cannot be verified from the label the way it can with a 35% TCA peel. Treat “medium-depth” as the intended target rather than a guaranteed measurement.

How Many Coats Will Your Provider Apply?

Most VI Peel appointments use 1 to 4 coats. Providers judge it live, watching for frosting, the white cast that appears as protein coagulates in the skin. Light, patchy frosting points to epidermal depth. Solid white frosting means the peel has reached the dermis.

Worth asking before you book:

• How many coats do you plan to apply for my concern, and why that number?
• What is your Fitzpatrick assessment protocol?
• What frosting level are you aiming for?
• Which VI Peel formula are you using, and what changes with it?

A provider who cannot answer these is not controlling depth. On Fitzpatrick IV-VI skin in particular, the choice between 2 coats and 4 is the difference between clearing pigment and provoking it.

What Peel Depth Does Not Tell You

Depth is not the same as visible flaking, and this trips up more patients than any other part of the treatment.

Shedding is a side effect of the injury, not the mechanism that produces results. The work happens through cell turnover and collagen remodeling below the surface. Oily skin sheds less. Skin already used to acids sheds less. Neither means the peel failed. If your skin barely peeled, read why a VI Peel still works without visible peeling.

Depth also does not tell you how many appointments you need. One peel at full medium depth will not clear melasma. For scheduling, see how often you should get a VI Peel, and for the recovery window day by day, see restrictions after a VI Peel.

The aesthetic services team at Revive 365 Wellness in Weston, FL, which also treats patients booking VI peels in Cooper City, FL and VI peels in Miramar, FL, assesses your Fitzpatrick type and sets the coat count to match your skin, rather than applying a fixed protocol to everyone.

Frequently Asked Questions

How many layers of skin does a VI Peel remove?

A VI Peel removes the full thickness of the epidermis, from the stratum corneum at the surface down to the basal layer where melanocytes sit. It then reaches into the papillary dermis, the upper portion of the dermis. It does not reach the reticular dermis or the fat layer beneath it.

How many coats of solution are applied during a VI Peel?

Usually 1 to 4. The provider decides based on your skin type, your concern and how your skin frosts during the appointment. More coats drive the peel deeper, because peel depth is cumulative and dose-dependent rather than fixed by the product.

Is a VI Peel a superficial or a medium-depth peel?

It is classified as medium-depth, meaning full epidermis plus papillary dermis. Its individual acid concentrations sit in the superficial band, with TCA at 10-12% against the 35-50% normally used for medium-depth peels. It behaves as a medium-depth peel because salicylic acid and phenol strip the barrier first and let the TCA work deeper, and because multiple coats compound the effect.

Does a VI Peel reach the dermis?

It reaches the papillary dermis, the upper layer, which is where collagen remodeling is triggered. It does not reach the reticular dermis. Only a deep peel such as a Baker-Gordon phenol peel goes that far, and that carries a 2 to 4 week recovery.

Does deeper mean better results?

No. Deeper means more downtime and more risk, especially on Fitzpatrick IV-VI skin, where an over-aggressive peel can cause post-inflammatory hyperpigmentation. The aim is the shallowest depth that treats your concern, which is why coat count is matched to the patient rather than standardized.

If my skin barely peeled, did the peel not go deep enough?

Not necessarily. Visible shedding is a side effect, not the mechanism. Oily skin and skin already adapted to acids often shed very little while still getting full cell turnover and collagen stimulation. Results at day 10 to 14 are a better gauge than flaking at day 5.