The Influence of Allium Cepa Extracts on Promotion of Hair Growth

Onion juice, when applied topically, is an effective treatment for Alopecia Areata, showing significant hair regrowth in both males and females. The study suggests it could be interesting to test its effectiveness on Androgenic Alopecia.

Quercetin might help with hair loss by inhibiting HSP-70, which increases androgen receptors. Concerns include its staining properties and unclear topical absorption.

The conversation discusses using a multimodal approach to treat androgenic alopecia, including substances like gamma-linolenic acid, DHA, sulforaphane, melatonin, cetirizine, astaxanthin, fisetin, apigenin, curcumin, limonene, genistein, and berberine. Users also mention using ketoconazole, minoxidil, and low-level laser therapy (LLLT) as part of their hair loss treatment regimens.

The conversation discusses using NAC and quercetin as supplements for hair loss, with some users also mentioning finasteride. NAC is highlighted for its potential benefits, but concerns about its safety and absorption are also raised.

Castor oil may reduce DHT and help with hair growth, while onion juice lacks evidence for effectiveness. Alternatives to natural topicals include RU58841, olive leaf extract, baicalin, and curcuminoids.

Quercetin and houttuynia cordata extract may stimulate hair growth by enhancing cellular energy metabolism and increasing growth factor secretion. Quercetin has low oral bioavailability, and its natural tint might stain the scalp if used topically.