Photoaging pyruvic acid

Ghersetich I, Brazzini B, Peris K, Cotellessa C, Manunta T, Lotti T (2004) Pyruvic acid peels for the treatment of photoaging. Dermatol Surg 30 32-36... 

Acne, oily skin, and photoaging prescribe topical products containing 2-3% pyruvic acid, or 5-15% glycolic acid, orl-2% salicylic acid, or 0.05% tretinoin for 3 weeks before the procedure to reduce thickness of the stratum comeum and improve uniform penetration of the pyruvic acid. This treatment should be interrupted 3 days before the procedure. 

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