Sources starting with L

• Liu 2020 — Cochrane topical acne review

  Systematic review covering topical salicylic acid and related non-prescription actives for acne-prone skin.

• Lupo MP, Cole AL, "Cosmeceutical peptides" (Dermatologic Therapy)

  A peer-reviewed dermatologic review on cosmeceutical peptides written for a clinical-dermatology audience.