157 citations
,
April 1994 in “Clinical endocrinology” Androgens can cause hair growth in some areas and hair loss on the scalp.
10 citations
,
June 2019 in “International Journal of Cosmetic Science” Some plant-based chemicals may help with hair growth, but more research is needed to confirm their effectiveness.
2 citations
,
August 2019 in “International Journal of Cosmetic Science” Older age and certain lifestyles are linked to thinner, weaker hair, while how you see your hair relates to its thickness.
1 citations
,
January 1989 in “The Nishinihon Journal of Dermatology” Minoxidil does not prevent aging in hair follicle cells.
36 citations
,
December 2016 in “Journal of The American Academy of Dermatology” The normal range for the hair pull test is 2 hairs or fewer, and washing or brushing hair before the test does not affect the results.
14 citations
,
September 2018 in “JAMA Facial Plastic Surgery” Hair loss greatly lowers perceived health in both genders, and hair transplant surgery notably improves this.
78 citations
,
November 2005 in “Endocrinology” Hairless protein can block vitamin D activation in skin cells.
July 1971 in “The journal of nutrition/The Journal of nutrition” Higher quality and quantity of protein lead to better body and hair growth in rats.
81 citations
,
December 2007 in “Acta materialia” AFM helped show how hair changes under tension and the effects of damage and conditioner.
1 citations
,
January 2017 in “Indian Journal of Dermatology Venereology and Leprology” Hard water increases magnesium deposits on hair without changing its structure.
16 citations
,
October 2021 in “Trends in biotechnology” Future hair products will use ecofriendly proteins and peptides to improve hair health and appearance.
42 citations
,
July 2012 in “PLOS ONE” Estrogen can temporarily slow down hair growth but this can be reversed.
5 citations
,
September 2017 in “Journal of Cosmetic Dermatology” A marine protein-based dietary supplement can safely boost hair growth and reduce hair loss in people with thinning hair.
26 citations
,
June 2001 in “PTR. Phytotherapy research/Phytotherapy research” Procyanidin B-2 lotion might help men grow thicker hair without side effects.
November 2017 in “Dermatologic Therapy” A new topical solution safely reduces hair shedding by 38% on average by tightening a muscle in the scalp.
November 2024 in “Journal of Cosmetic Dermatology” The hair serum reduced hair loss and improved hair quality in women.
September 2014 in “Hair transplant forum international” Caffeine, niacinamide, and panthenol may improve hair growth, fullness, and healing when applied to the scalp.
January 2022 in “Springer eBooks” Platelet-rich plasma therapy helps increase hair thickness and slow hair loss.
21 citations
,
October 2011 in “British Journal of Dermatology” Testosterone therapy helped 63% of androgen-deficient women grow scalp hair, but more research is needed.
1 citations
,
March 2023 in “International Journal of Trichology” Platelet-rich plasma didn't increase hair length but may help keep hair follicles alive.
8 citations
,
January 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Growth hormone is important for regulating human hair growth.
6 citations
,
January 2016 in “International journal of trichology” Children's hair is more elastic, but tensile strength is similar across different factors.
June 2021 in “CRC Press eBooks” Plant-based hair care products can effectively treat hair loss with fewer side effects than synthetic treatments, and more research is needed for their development.
1 citations
,
January 2023 in “Journal of Clinical Medicine” A new hair restoration technology was found to effectively increase hair thickness, density, and growth, while reducing hair loss and improving scalp health, with no side effects.
November 2025 in “Quality in Sport” Consistent use of natural methods is key for healthy hair and scalp.
September 2017 in “Journal of Investigative Dermatology” Stabilizing HIF-1A in hair follicles may reduce oxidative stress and promote hair growth by increasing glycolysis.
January 2015 in “Proceedings of the Oklahoma Academy of Science” Eating raw cotton seeds can cause hair loss, likely due to gossypol.
April 2017 in “Journal of Investigative Dermatology” Certain compounds can protect hair cells from aging and promote growth.
September 2023 in “Asian journal of beauty & cosmetology” Lipids are important for healthy hair, but their exact role is not fully understood and needs more research.
370 citations
,
September 1999 in “The New England Journal of Medicine” Finasteride and minoxidil are effective for hair loss, but continued research is needed for better treatments.