9 citations,
July 2022 in “Cell reports” Sox2 controls hair color by affecting pigment production in hair follicles.
2 citations,
October 2022 in “Jikken Dobutsu” Philippines stingless bee propolis helps hair grow by activating a specific cell signaling pathway.
3 citations,
March 2008 in “Medical laser application” Lasers have become safer and more effective for treating skin problems and hair removal.
13 citations,
March 2020 in “Frontiers in cell and developmental biology” A substance called TCQA could potentially darken hair by activating certain genes and increasing melanin.
132 citations,
September 2009 in “Experimental Dermatology” A reliable system was developed to distinguish hair growth stages, aiding in identifying hair growth promoters or inhibitors.
May 2023 in “CRC Press eBooks” Liposomes can improve hair care and treat hair issues effectively.
1 citations,
January 2014 in “Elsevier eBooks” Melanocytes produce melanin; their defects cause vitiligo and hair graying, with treatments available for vitiligo.
12 citations,
September 2018 in “International Journal of Cosmetic Science” Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.
134 citations,
September 2008 in “Lasers in surgery and medicine” Low fluence photoepilation temporarily removes hair by targeting the hair follicle's pigmented area without severe damage.
8 citations,
January 2020 in “PeerJ” Alopecia Areata causes significant structural and compositional changes in hair.
May 2018 in “Journal of Investigative Dermatology” Fat under the skin can help hair grow longer, darker, and increase cell growth.
February 2005 in “CRC Press eBooks” Hair color is due to active pigment cells in hair during growth.
June 2021 in “Journal of Emerging Technologies and Innovative Research” Rice water and hibiscus can help improve hair health and growth.
14 citations,
April 2007 in “Journal of aging and health” Balding men had lower bone density, while balding women had higher hip bone density.
1 citations,
July 2021 in “Veterinary Medicine and Science” A cat's skin condition was fully cured with cyclosporine A after other treatments failed.
25 citations,
January 2013 in “Colloids and surfaces. B, Biointerfaces” Hair dye colors mainly target melanin granules in black hair.
12 citations,
May 2023 in “EMBO reports” High mTORC1 activity slows hair growth and causes it to lose color.
37 citations,
October 2014 in “Maturitas” Men's hair loss is caused by hormones and genes, and can be treated with medication and surgery, while graying is due to aging and has no prevention except dyeing.
1 citations,
December 2018 in “IOP conference series. Materials science and engineering” CD34+ hair follicle stem cells can become melanin-producing cells for treating skin conditions.
Hair turning darker can be a sign of skin cancer.
March 2009 in “Chinese Journal of Dermatology” Melanocytes in the outer root sheath are likely stem cells that grow fast but stay immature.
39 citations,
December 2001 in “JNCI: Journal of the National Cancer Institute” Using a gene therapy with the Sonic Hedgehog gene helps mice regrow hair faster after losing it from chemotherapy.
October 2015 in “Cosmetic Dermatology” Hair is complex, varies in type, and plays a big role in attractiveness and culture.
January 2003 in “Linchuang pifuke zazhi” Melanin granules can be expelled by exocytosis.
94 citations,
April 2018 in “Nature Genetics” New genetic locations explain much of hair color variation in Europeans.
27 citations,
January 1995 Melanin in black hair protects it from sun damage better than light-brown hair.
January 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Rhamnose may help hair growth and pigmentation, making it a potential treatment for hair loss.
62 citations,
December 1941 in “Experimental biology and medicine” Eating phenylthiocarbamide made all the rats' hair go gray, but some returned to their original color after stopping.
November 2022 in “Journal of Investigative Dermatology” Blocking mTORC1 activity could increase hair pigmentation and potentially reverse greying.
29 citations,
January 2021 in “Journal of Investigative Dermatology” Fat under the skin releases HGF which helps hair grow and gain color.