32 citations
,
May 2015 in “Journal of Investigative Dermatology” Mice without collagen VI have slower hair growth normally but faster regrowth after injury.
26 citations
,
March 1981 in “Clinical Endocrinology” Oestrogen does not affect adrenal androgen levels in children and adolescents.
180 citations
,
January 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Vitamin D Receptor is crucial for normal skin and hair growth.
16 citations
,
October 2009 in “Dermatology” The spironolactone cream did not reduce hair growth in women with hirsutism.
10 citations
,
October 2017 in “Pediatric neurology” Biotin and acetazolamide improved hair and nail growth, mental function, and reduced headaches in a child with autism.
January 2010 in “Yearbook of Dermatology and Dermatologic Surgery” Topical latanoprost and bimatoprost ophthalmic solutions don't help eyelash growth in patients with alopecia areata.
12 citations
,
August 2000 in “Fertility and Sterility” Topical finasteride doesn't reduce DHT levels, hinting at an endocrine role in hair loss.
May 2005 in “Seminars in Plastic Surgery” The Erbium YAG laser is effective in hair restoration, resulting in high yield and density, but it's not recommended for second replacements or those with good-quality hair.
10 citations
,
April 2020 in “PloS one” Lack of Crif1 in hair follicle stem cells slows down hair growth in mice.
23 citations
,
July 1989 in “Postgraduate medical journal” Spironolactone did not make hair thinner in women with excess hair growth.
12 citations
,
October 2012 in “Dermatologic Clinics” Low-Level Laser Therapy and other light treatments for hair growth lack strong evidence and need more research.
February 2019 in “IP Indian journal of clinical and experimental dermatology” Continuous use of hair relaxers and curlers can cause hair loss, dryness, dandruff, thinning, greying, and split ends.
75 citations
,
June 1999 in “Pediatric Clinics of North America” The document concludes that early recognition and treatment of PCOS in adolescents is crucial for managing symptoms and long-term health risks.
September 2002 in “Fertility and sterility” Female relatives of PCOS patients have a higher chance of showing PCOS symptoms.
52 citations
,
February 2012 in “PloS one” Lack of Ctip2 in skin cells delays wound healing and disrupts hair follicle stem cell markers in mice.
January 2022 in “Clinical Cases in Dermatology” Lack of certain nutrients may contribute to hair loss and proper diet or supplements could improve it.
46 citations
,
April 1971 in “American Journal of Clinical Nutrition” Lack of protein causes hair root damage, but it can be reversed by eating protein again.
68 citations
,
January 2007 in “Journal of Cosmetic and Laser Therapy” Laser/light treatments for hair loss are popular but lack scientific data proving effectiveness.
4 citations
,
October 2013 in “Clinics in Dermatology” Experts don't fully agree on how to diagnose certain hair growth disorders and more research is needed to understand them better.
520 citations
,
February 2001 in “Journal of Clinical Investigation” VEGF helps hair grow and determines follicle size by increasing blood vessel growth.
1 citations
,
May 1965 in “Medical Clinics of North America” Hair growth dysfunction involves various conditions with limited treatment options.
November 2025 in “The Journal of Dermatology” Minoxidil helps hair regrow faster in stress-related hair loss.
September 2024 in “Journal of the American Academy of Dermatology” Phenoxyethanol in hair growth products may be linked to frontal fibrosing alopecia.
November 2023 in “Journal of Bioscience and Bioengineering” Exosomes show promise for hair growth but face challenges in standardization and concentration for clinical use.
Some plants may help with hair growth but need more scientific evidence.
December 2023 in “Journal of Cosmetic Dermatology” The hair growth product was effective and safe, increasing hair growth, thickness, and density while reducing hair fall.
August 2023 in “Dermatologic Surgery” Wounding may stimulate hair growth, but more research is needed to confirm the safety and effectiveness of related treatments.
January 2018 in “Journal of general practice” Young people are losing hair due to stress, poor diet, pollution, and lack of sleep, but it can be treated with supplements and scalp treatments.
January 2017 in “Archives of Aesthetic Plastic Surgery” Hair care products with placental growth factor can improve hair thickness and density in postpartum hair loss.
235 citations
,
January 2011 in “Journal of Clinical Investigation” Men with baldness due to androgenetic alopecia still have hair stem cells, but lack specific cells needed for hair growth.