there's clinical studies retin a boosts collagen production. it;s one of the most important things to do if you skinmax. but if you use it you have to avoid the sun at all cost, wear asian sunscreen, hats. otherwise if you can't do that you will get no results and age your skin by 10 years
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.