A Prospective, Active‐Controlled Split‐Face Clinical Trial Evaluating the Incremental Aesthetic Benefits of a Glutathione‐Containing Booster in a GHK ‐Conjugated Spicule Regimen - Seongmin Noh; Wonkyu Hong; Hosung Choi; Youngjin Park; Do Young Rhee (Journal of Cosmetic Dermatology, 2026)