Highlighting the existence of different retinoids is good. I have used retinol serums and a tretinoin cream (not at the same time). Retinol products are the most popular in the retinoid skincare category, and are sold over the counter, so reading specifically about them might be worthwhile.
Highlighting the existence of different retinoids is good. I have used retinol serums and a tretinoin cream (not at the same time). Retinol products are the most popular in the retinoid skincare category, and are sold over the counter, so reading specifically about them might be worthwhile.