February 2024 in “Animals” Giving selenium yeast to pregnant goats leads to better hair growth and cashmere quality in their babies.
October 2023 in “JOJ dermatology & cosmetics” Thiocyanate helps hair growth and can be supplemented in diet or applied topically.
June 2023 in “Skin Research and Technology” The supplement with amino acids, iron, selenium, and marine hydrolyzed collagen improved hair growth more than drug treatment alone, with most people tolerating it well.
3 citations,
January 2017 in “Journal of cosmetology & trichology” The food supplement with L-cystine, Serenoa repens extract, and biotin safely reduced hair loss and improved hair growth in men and women.
May 2023 in “Journal of Applied Cosmetology” The Annurca apple supplement significantly improved hair growth in people with hair loss.
July 2022 in “Hair transplant forum international” Vitamin D might be involved in hair growth, so taking supplements could help treat hair loss if you're deficient.
3 citations,
June 2020 in “International journal of women’s dermatology” Most women with hair loss take more supplements than average, but these often don't help and can be risky and costly.
Instagram ads for skin, hair, and nail supplements often make broad health claims without clear ingredient information, and are not FDA-regulated.
1 citations,
September 2020 The conclusion is that hair supplement ingredients may be unsafe and should be disclosed and proven safe before use.
1 citations,
May 2021 in “Research journal of topical and cosmetic sciences” Muttaijow ComplexTM improved skin, hair, and nail health in middle-aged adults.
May 2021 in “Research journal of topical and cosmetic sciences” TrichovitalsTM improved skin, hair, and nail health in adults after 12 weeks.
18 citations,
December 2011 in “Livestock science” Maternal Nano-Se supplements improve fetal hair follicle development in cashmere goats.
December 2022 in “Cosmetics” The food supplement improved hair growth and strength in people with a certain type of hair loss and had no major side effects.
December 2021 in “Trichology and cosmetology:” Taking Kera-Diet® improves hair and nail health without side effects.
January 2021 in “Figshare” Metformin helps regenerate hair follicles in lab conditions.
September 2016 in “Journal of Investigative Dermatology” Zinc deficiency disrupts hair growth and cycle, but zinc supplements can fix this.
29 citations,
February 1987 in “General and comparative endocrinology” Thyroid and gonadal hormones control seasonal hair growth and molting in male European badgers.
1 citations,
February 2017 in “PubMed” The supplement may help hair growth and is safe, but more research is needed.
May 2024 in “Journal of functional foods” Collagen peptides from marine and bovine sources may help prevent hair loss by affecting hair follicle stem cells differently.
January 2023 in “Dermatologic Therapy” The nutritional supplement Pilopeptan® WOMAN improved hair growth and thickness in women with hair loss.
2 citations,
May 2016 in “Más dermatología” The supplement with Serenoa repens and Pygeum africanum significantly increased active hair growth and decreased rest phase hair in post-menopausal women with hair loss, with only mild digestive side effects.
June 2023 in “Trichology and cosmetology:” Ageratum Conyzoides, when taken orally, can effectively reduce hair loss and improve hair growth.
Eating flaxseed made rabbit hair longer and thicker and improved their weight and blood sugar and cholesterol levels.
13 citations,
December 1991 in “Annals of the New York Academy of Sciences” Researchers created a lab model to study human hair growth, showing it can grow and self-regulate outside the body.
7 citations,
April 2018 in “Molecular Medicine Reports” BeauTop helps hair grow by increasing certain growth factors.
5 citations,
March 2021 in “International Journal of Dermatology” Biotin supplementation during isotretinoin treatment for acne may help maintain skin hydration and improve hair growth.
34 citations,
January 1943 in “Endocrinology” Adrenalectomy boosts hair growth and melanin in black rats, even with vitamin B¹ deficiency.
15 citations,
November 2017 in “Drug Delivery and Translational Research” Certain extracts from Curcuma aeruginosa Roxb. and germacrone can boost the skin's absorption of minoxidil, a hair growth promoter, making it more effective.
3 citations,
March 2019 in “Chinese Medical Journal” CO2 fractional laser therapy may help regrow hair without scarring by affecting certain inflammatory and growth-related molecules.
2 citations,
October 1999 in “Annals of the New York Academy of Sciences” Melatonin and cortisol affect mink winter hair growth, but β-endorphin levels do not.