@sylviasnyders: Sylvia’s 30 Days of Health and Beauty: Tips and Tricks! Day 10: Tretinoin / Retinol Tretinoin/retinol are forms of vitamin A that can improve the appearance of fine lines, wrinkles, acne, and hyperpigmentation, while increasing collagen production. #skincare #tretinoin #retinol #acne #skincaretips #acnetreatment