Chemical Peel Aftercare Instructions by Peel Depth

Depth sets the protocol, not the brand name

Every peel your client has read about online has a marketing name, and the name tells you nothing useful. Write your aftercare cards by depth and you will only ever maintain three of them.

Superficial peels reach the epidermis: glycolic, lactic, mandelic, salicylic in typical clinic concentrations, and light Jessner applications. Expect mild erythema, tightness, and light flaking that starts around day two and resolves by day five. Many clients barely visibly peel, which is worth saying out loud so they do not judge the result by shedding.

Medium-depth peels reach the papillary and upper reticular dermis: TCA around 35 percent, Jessner combined with TCA, or glycolic 70 percent combined with TCA. Expect frosting during the procedure, edema for one to three days, a bronzed darkening around days two to four, sheeting from roughly day three to day seven, and pink new skin that continues to settle over one to three weeks.

Deep peels — phenol and croton oil formulations — are a different category with cardiac monitoring requirements, prolonged erythema measured in months, and a wound-care protocol that belongs to the treating physician. If your practice offers them, the aftercare document is written by that physician and is not a card handed over at the front desk.

The first 72 hours, at any depth

The universal instructions:

• Cleanse twice a day with a fragrance-free, non-foaming cleanser and lukewarm water. Pat dry with a clean towel; never rub, and never use a washcloth.
• Apply a bland occlusive moisturizer — petrolatum-based, or ceramide-based — as often as the skin feels tight. Comfort is a reasonable dosing guide.
• Do not pick, pull, cut, or exfoliate peeling skin. Lifting a sheet of epidermis before it releases removes living tissue and is the most common route to a scar and to pigment change.
• No actives. Retinoids, AHA, BHA, benzoyl peroxide, low-pH vitamin C, and scrubs stay off until re-epithelialization is complete.
• No heat. Sauna, steam, hot yoga, and heavy sweat all extend inflammation.
• Mineral SPF 30 or higher every day as soon as the skin tolerates it, reapplied every two hours outdoors.

One practitioner-side note that never appears on consumer articles: salicylic acid applied over large body surface areas can produce salicylism. If a client reports tinnitus, nausea, or dizziness after a large-area salicylic treatment, that is a systemic effect and needs medical evaluation.

Aftercare timeline by peel depth

Preventing post-inflammatory hyperpigmentation

PIH is the complication that turns a successful peel into a refund conversation, and it is largely predictable. Risk rises with Fitzpatrick III through VI, a personal history of PIH, melasma, recent sun exposure, and any inflammation that runs longer than it should.

The controllable factors sit on both sides of the appointment. Before the peel, priming reactive skin for two to four weeks with a tyrosinase inhibitor and a retinoid reduces risk and improves evenness. After the peel, the two levers are sun protection and inflammation control. Tell higher-risk clients that SPF is a four-week discipline rather than a three-day one, and that a hat is not optional in the first two weeks.

Restart brightening agents once the barrier is intact. Clients who stop hydroquinone or tranexamic acid for a peel and are never told when to resume routinely do not resume at all, and the pigment returns. Put the restart date on the card, in words: "restart your brightening cream on day seven unless we tell you otherwise."

If pigment appears — usually two to four weeks out, as a diffuse brown or gray-brown patch across the treated field — see the client. Early management is more effective than late, and a client who is seen quickly usually stays a client.

Red flags: what gets an appointment today

Peel healing has a predictable direction. Anything moving the other way is a signal.

Tell the client to call the same day if:

• Pain increases after day two, or requires more than acetaminophen
• Pustules, yellow or honey-colored crusting, or purulent discharge appear
• Grouped small blisters or ulcers, especially perioral — treat as herpes simplex reactivation until proven otherwise
• Fever, chills, or swollen lymph nodes
• Redness spreading beyond the treated field, or red streaking
• Skin looks gray, dusky, white-and-leathery, or eroded rather than pink
• Intense itching with hives or eyelid swelling, which suggests an allergic reaction
• Any peel solution reached the eye — irrigate immediately and arrange same-day eye assessment

Bring them in within the week if:

• Areas are not re-epithelialized by day ten after a medium-depth peel
• Erythema is intensifying rather than fading after the first week
• New brown or gray patches develop in the treated area
• The client admits to picking, which changes the scarring conversation

Give a real after-hours number for the same-day list. Clients wait when they are not sure whether something counts as an emergency, and by then a treatable HSV outbreak has become a scar.

What the chart needs to show

Peels are where documentation gaps show up most, because the treatment itself is quick and the paperwork feels disproportionate. The record for each peel should show, at minimum: agent, concentration, number of layers or passes, contact time, neutralization, the endpoint you observed (erythema level, frost level), pre-treatment priming, HSV screening and prophylaxis status, and photographs.

Written aftercare belongs in that record too. The defensible pattern is a written aftercare document handed to the client, initialed by them, with the version and date noted in the chart, plus a line confirming that the red flags and the escalation number were reviewed. "Post-peel instructions given" is a weak note. "Written medium-depth peel aftercare v2.1 provided and reviewed, red flags and after-hours number discussed, client verbalized understanding" is a note that answers questions two years later.

Version your aftercare documents when you change protocols, and send the same instructions by email or SMS. That gives you both a timestamp and better compliance, since paper cards are lost by the time the client's skin starts sheeting.

The bottom line

Write chemical peel aftercare by depth and the protocols become simple: five days of bland care for superficial, seven to fourteen days of occlusive care and no picking for medium, and physician-directed wound care for deep. The two complications worth building your instructions around are herpes reactivation and post-inflammatory hyperpigmentation, and both are addressed by screening, prophylaxis, sun discipline, and early escalation. Hand the instructions over in writing with a clearly marked red-flag list and a number that gets answered, then record in the chart that you did.

Frequently asked questions

How long should a client wait before restarting retinoids after a peel?

Until the skin is fully re-epithelialized and no longer flaking, which is typically five to seven days after a superficial peel and ten to fourteen days after a medium-depth peel. Restarting too early causes stinging, prolonged erythema, and post-inflammatory hyperpigmentation in reactive skin. Restarting on schedule matters too, because retinoids and tyrosinase inhibitors are part of pigment control.

Do all peel clients need antiviral prophylaxis?

No, but everyone with a history of orofacial herpes should be covered when the peel breaches the epidermis, and many practices cover every medium-depth facial peel regardless of history. A herpetic outbreak on a peeled face can scar, and prophylaxis is inexpensive. Prescribing is a physician or supervising provider function under your protocol, so screen and document at consultation, not on the day.

A client peeled far more than expected. Is that a complication?

Sheeting rather than flaking is expected after medium-depth peels and after some layered superficial peels, so the amount of shedding alone is not the signal. What matters is the timeline and the skin underneath: pink, intact new skin is normal, while areas that are not re-epithelialized by day ten, or that look gray, dusky, or eroded, need to be seen. Photograph anything you are unsure about.

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