l-glutathione plus benefits Glutathione- The Ultimate Antioxidant — Purifi IV Glutathione Plus - 60 Capsules
Description
This is a DIY cosmetic ingredient, not a finished serum

GasmiMSellamiMDenhamJPaduloJKuvacicGSelmiWet al

Wound Healing and Post-Procedure Recovery Best route: Topical at the wound site (clinical evidence) + injectable (systemic support) GHK-Cu accelerates wound healing through multiple mechanisms: chemoattraction of macrophages, mast cells, and capillary cells

Another option is finasteride

doi: 10.26508/lsa.201900619

Oral solubilized ursodeoxycholic acid therapy in amyotrophic lateral sclerosis: a randomized cross-over trial
