retinol conversion Author: el705 Published: 0 comments Learn what is really real, in an industry full of fake › Forums › Ask the Beauty Brains › retinol conversion This topic is empty. Viewing 1 post (of 1 total) Author Posts March 18, 2019 at 10:07 pm #92919 el705Member how long does it take to convert retinol into retinoic acid? minutes? all night? Does applying other products impede this Author Posts Viewing 1 post (of 1 total) The forum ‘Ask the Beauty Brains’ is closed to new topics and replies.
