Topical Retinoids . Retinoic (vitamin A) acid is available in the form of tretinoin gel or cream (0.01–0.025%) and its isomer, isotretinoin gel (0.05%).

Which is interesting since I've been on 0.05% tretinoin for a year now. This cream for me would only be used at night." A fourth reviewer loved the product's packaging, saying: ...