Test of Hair Tonic Activity Combining Bitter Melon Leaf Extract (Momordica charantia) and Carrot Extract (Daucus carota L.) on Male New Zealand White Rabbits

A peptide from Japanese water chestnut fruit may help with hair loss by suppressing DHT's effect on hair follicle cell death, potentially serving as a finasteride alternative. The treatment's effectiveness and safety in humans remain uncertain.

Rotenone, a natural plant extract, may promote hair growth by increasing LDH activity and blocking MPC in the scalp, but it carries risks due to its toxicity. The suggested formulation includes Barbasco extract, DMSO, propylene glycol or PEG-400, ethanol, and a carrier oil.

Teak leaf extract shows potential as a mild hair growth promoter for androgenic alopecia, with similar positive trends to minoxidil but without significant side effects. It can be made at home using dried teak leaves and ethanol, though its effectiveness compared to other treatments like finasteride is debated.

Burdock root and marigold are suggested as natural alternatives for hair growth. Onion juice, castor oil, and rosemary oil are also mentioned as treatments.

RootBioTec, a basil hairy root extract, claims to reduce hair loss by 31% in two months by inhibiting 5α reductase II and stimulating hair follicles. There is limited independent information available about its effectiveness.

Betacarotene's effect on hair loss is discussed, with concerns about excessive vitamin A. The user also questions if 15mg melatonin impacts vitamin A levels.