vitamin a acid

Tretinoin Gel for Acne: Uses, Application, Side Effects

Tretinoin, also called Vitamin A Acid Gel or retinoic acid, treats acne vulgaris in gel form at 0.01% or 0.05% strengths in 25g tubes. It speeds up skin cell turnover to clear pores and reduce lesions. Users apply it nightly to affected areas, with results appearing in 2-4 weeks and full effects by 6-8 weeks.