nostr:npub1est7jhq4dw4jwqf0zwy5u49gln0cur9thacuj7d4r239unc70gzs9ym7sn nostr:npub106dam65ww9ztdqj26xvh08dyuc7lj7nmkrtrujwsmyq2n6g3r33saq3m89 retinol also increases the production of collagen in the skin. nostr:npub1j3vtkuurx77yzs33ufzzc08syhrqca8aawa5p4afnfqxrnzvugmqrmqxec knows more about it than I do