Post by @misspeytonsmith

The truth about Vitamin A & Azelaic Acid is you don’t need to use them in the exact same routine, if anything this can actually cause irritation leading to a compromised barrier! Barrier support should always be added in when doing this. Products: La Roche posay dermic Retinol Anti-Ageing @SKIN1004 US 10% Azelaic Acid Ad.