Ingredients
Searchable database of hair loss treatment ingredients with evidence ratings, mechanisms, and interaction warnings.
Searchable database of hair loss treatment ingredients with evidence ratings, mechanisms, and interaction warnings.
Ell-Cranell, 17α-estradiol
Topical estrogen stereoisomer that locally inhibits 5-alpha reductase without systemic hormonal effects.
Olumiant
FDA-approved oral JAK1/JAK2 inhibitor for severe alopecia areata in adults.
Vitamin B7, Vitamin H
Popular hair supplement with minimal evidence unless you have a confirmed deficiency.
Alpecin, caffeine shampoo
Topical stimulant that may counteract DHT suppression of hair growth in vitro.
Ricinus communis oil, JBCO (Jamaican black castor oil)
Popular folk remedy for hair thickening with no clinical trial evidence for regrowth.
Breezula, CB-03-01, Winlevi (acne formulation)
First-in-class topical androgen receptor antagonist; FDA-approved for acne, in trials for AGA.
Collagen peptides, hydrolyzed collagen, marine collagen
Popular protein supplement for skin and hair with no direct evidence for hair regrowth.
Leqselvi, CTP-543
Oral JAK1/JAK2 inhibitor FDA-approved in 2024 for severe alopecia areata.
Avodart
Dual 5-alpha reductase inhibitor that reduces DHT by >90%, approved for AGA in Japan and South Korea.
Bhringraj, false daisy, Eclipta alba
Ayurvedic herb used traditionally for hair growth with some preclinical support.
Propecia, Proscar
FDA-approved 5-alpha reductase inhibitor that reduces DHT by ~70%.
He shou wu, Polygonum multiflorum, Fallopia multiflora
Traditional Chinese herb for graying and hair loss with hepatotoxicity concerns.