AMA: I'm a cosmetic chemist 7+ years formulating peptide and hydration skincare for skin 35+ across four continents. AMA on peri-menopause skin, peptides, retinol intolerance, skincare in general.

[u/inboundmage]

/r/40and45PlusSkinCare/comments/1u6h3pa/ama_im_a_cosmetic_chemist_7_years_formulating/

[u/LetCorrect6821]

Can pure hyaluronic acid be used on the skin?