D.C. Mun. Regs. tit. 17, r. 17-3729
Cosmetic exfoliating substances may include alpha hydroxy acids, glycolic and lactic acids, beta hydroxy acids, salicylic acid, Jessner's Solutions, resorcinol, and other substances intended to exfoliate the stratum corneum.
Licensees are prohibited from performing procedures using cosmetic exfoliating substances or devices that affect more than the top layer of the epidermis or outer-most layer of dead cells. A cosmetic exfoliation substance or device is not intended to remove viable (living) skin below the stratum corneum. Use of such substances and devices are deemed beyond the scope of practice of persons and establishments licensed by the Board.
Licensees shall be permitted to use devices registered or approved by the U.S. Food and Drug Administration that are intended to be used for cosmetic skin care purposes, including, but not limited to, beautifying and improving the appearance of the skin.
D.C. Mun. Regs. tit. 17, r. 17-3729