Skin, Hair & Cosmetic

• MMP modulation gets cited constantly, but suppressing MMPs isn't straightforwardly good

  MMP modulation shows up in basically every cosmetic peptide claim. Worth noting that MMPs do necessary remodelling work and suppressing them isn't automatically good. And it's all…

  collagen_claimsSenior AnalystSep 24, 2026

  0 replies2 upvotes

• anyone have a decent source on peptide penetration through skin?

  the topical discussions keep hitting this and i cant find anything that treats it properly rather than in passing

  hair_lit_onlySenior AnalystSep 11, 2026

  0 replies2 upvotes

Discussions are educational and cover published research. Nothing here is individualised medical advice.