November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” The study found markers indicating that cells responsible for hair color are differentiating in specific areas of the hair follicle.
June 2020 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Stress causes hair graying by overactivating nerves that deplete color-giving stem cells.
April 2019 in “Journal of Investigative Dermatology” The created skin model with melanoblasts improves the study of skin color and offers an alternative to animal testing.
Mangosteen peel extract may promote hair growth and darken hair color.
May 2015 in “Journal of the American Academy of Dermatology” New hair after alopecia areata can be thinner and change color but usually keeps the same shape.
85 citations,
April 2007 in “Dermatologic Clinics” Some drugs can cause hair loss, change hair color and shape, or increase hair growth, and treatment may involve stopping the drug or using specific hair growth treatments.
56 citations,
June 1970 in “The BMJ” Drug addicts often have scars, skin color changes, blocked veins, and bruising, with severe ulcers from barbiturate injections.
47 citations,
July 1967 in “Science” Not eating enough protein can cause hair roots to shrink and lose color, and hair to become thinner.
37 citations,
October 2017 in “Advanced drug delivery reviews” The review suggests that there are various treatments to help restore skin color after severe burns.
25 citations,
March 2012 in “Journal of oncology pharmacy practice” An 81-year-old man's white hair began to regain its original color while he was treated with lenalidomide, suggesting that graying hair might be reversible.
24 citations,
March 2018 in “Pigment Cell & Melanoma Research” The environment around melanocyte stem cells is key for hair regeneration and color, with certain injuries affecting hair color and potential treatments for pigmentation disorders.
6 citations,
November 2013 in “International Journal of Radiation Biology” Gamma-rays exposure during the resting phase of hair growth can damage hair regeneration and color in mice.
6 citations,
November 2011 in “Journal of Dermatological Science” A new gene mutation may allow some piebaldism patients to regain skin color in white patches.
3 citations,
March 2019 in “Acta histochemica” Angiotensin II is found at higher levels in black sheep skin and may influence coat color.
July 2023 in “Biomolecules” The new "whisker follicle microinjection assay" can test how different biomolecules affect hair growth and color.
August 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Krox20 is important for maintaining stem cells in the skin and affects hair growth and color.
March 2021 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Fat tissue around hair follicles releases a growth factor that helps hair grow and develop color.
157 citations,
December 2015 in “Journal of the American Academy of Dermatology” A man with vitiligo and alopecia saw quick skin and hair improvement with ruxolitinib, but skin color gains were lost after stopping treatment.
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.
40 citations,
August 2006 in “Current Drug Safety” Some drugs can cause hair loss, excessive growth, or color changes, often reversible but sometimes permanent.
34 citations,
October 2015 in “British journal of dermatology/British journal of dermatology, Supplement” Scientists don't fully understand eyelash hair follicle biology, including growth and color, and suggest more research is needed.
10 citations,
November 2010 in “Pigment Cell & Melanoma Research” Only skin melanocytes, not other types, can color hair in mice.
7 citations,
January 2013 in “Indian Journal of Plastic Surgery” Body and beard hair can be used for hair transplants in baldness treatment but keep their original color and curl.
2 citations,
July 2016 in “Veterinary dermatology” Hyperaesthetic leucotrichia in horses causes painful, recurring skin lesions and hair color changes, especially in Arabian and American paint horses.
2 citations,
November 1995 in “American Journal of Obstetrics and Gynecology” Taking vitamin B6 corrected a pregnant woman's metabolic disorder, which changed her hair color.
1 citations,
October 2023 in “PloS one” Cosmetic hair treatments can increase hair testosterone levels, while natural hair color does not affect it.
1 citations,
January 2023 in “Research Square (Research Square)” A woman's vitiligo improved with tofacitinib treatment, and her skin color remained even after stopping the medication, but there are concerns about cancer risk.
1 citations,
December 2022 in “Journal of applied biological chemistry” TRP-hair essence protects hair from heat damage, maintains color, and strengthens hair.
1 citations,
September 2018 in “International journal of research - granthaalayah” Human hair medulla doesn't break down hydrogen peroxide, which may affect hair color formation.
1 citations,
January 2016 in “Asian-Australasian journal of animal sciences” The protein Gnαs is found more in black mice than white mice and may influence their coat color.