Dr. Alexis shared several treatment pearls to promote successful peels in skin of color patients:
- Salicylic acid: Resist the urge to overapply and “titrate according to patient tolerability.” The endpoint of a salicylic acid peel is white precipitate, not frost; cool compresses can be used for patient comfort and for later removal of the white precipitate.
- Glycolic acid: Stick to a contact time of 2-4 minutes to avoid epidermolysis. “Completely neutralize all areas of application to avoid overpeeling.”
- Trichloroacetic acid (TCA): TCA carries a greater risk of dyspigmentation, and should be reserved for patients who have not been successfully treated with salicylic or glycolic acid; a 10%-15% concentration of TCA, applied conservatively, is recommended.
Regardless of the type of chemical, potential pitfalls of peels in patients of color include using too much product, allowing too long of an application time, and applying the chemical to an inflamed or excoriated area, Dr. Alexis said. Patients who don’t discontinue retinoids before a peel are at increased risk of developing erosions or crusting, he added.
Dr. Alexis disclosed relationships with Allergan, BioPharmX, Dermira, Galderma, Novan, Novartis, RXi, Unilever, and Valeant.
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