September 2014 in “Hair transplant forum international” Caffeine, niacinamide, and panthenol may improve hair growth, fullness, and healing when applied to the scalp.
February 2024 in “International Journal of Health and Pharmaceutical” Avemor, a natural tonic made from aloe vera and moringa, was less effective than minoxidil in promoting hair growth on rabbits.
Different amounts of propylene glycol change the thickness of katuk leaf hair tonic.
1 citations,
September 2022 in “KnE medicine” Candlenut oil hair tonic helps mice grow hair, with higher oil concentration giving better results.
3 citations,
January 2021 in “Applied sciences” Fermented red ginseng and a traditional herb mix improved hair growth in mice.