Retin

Part II: Retinol Metabolism Cont’d; Retinol Degradation and Strength; Combination Use of (Hydroxy) Acids and Retinol

FAQs about Retinol In Part I, we discussed the main pathway of retinol metabolism and learned that in order to allow the skin to OPTIMALLY convert retinol into retinaldehyde, and then into tretinoin, a retinol product should have a pH value of between ~5.0-6.0. So the obvious question that is asked most often is, “Can I use retinol … Continue reading →