12 citations
,
November 1945 in “Archives of dermatology” Transplanted skin on hooded rats often grows white hair instead of black.
9 citations
,
November 2015 in “JAMA dermatology” A 91-year-old woman's hair turned black in one spot, with skin changes underneath.
3 citations
,
July 1990 in “Acta dermato-venereologica” A man's baldness improved possibly due to a medication that blocks male hormones.
1 citations
,
November 2022 in “International journal of trichology” A woman's premature gray hair turned mostly black again after using Greyverse solution and hair supplements for 5 months.
September 2025 in “Brazilian Journal of Health Review” Early diagnosis and less aggressive hair care improve outcomes for Black women with frontal fibrosing alopecia.
June 2025 in “BMJ Case Reports” Axitinib treatment turned a man's grey hair back to black.
April 2024 in “International Journal of Women’s Dermatology” Lichen planopilaris should be considered in diagnosing scarring hair loss in Black women.
April 2023 in “Pharmacognosy Magazine” Cerasus serrulata flower extracts can help turn grey hair black again.
January 2018 in “대한미용학회지” White hair is denser and more hydrophobic than black hair.
December 2017 in “JURNAL FARMANESIA” Red dragon fruit peel extract can effectively dye gray hair black.
37 citations
,
January 2015 in “Evidence-based Complementary and Alternative Medicine” An extract from Quercus acutissima bark was found to reduce sebum production and block an enzyme linked to acne.
33 citations
,
February 2009 in “European journal of pharmaceutics and biopharmaceutics” Pig ear skin is better than human skin for testing how well barrier creams block allergens from entering hair follicles.
15 citations
,
October 2016 in “Steroids” Researchers developed a new method to find substances in herbs that can block a specific enzyme linked to hair loss.
6 citations
,
March 2022 in “IET Image Processing” Targeting the narrowest part of the anterior chamber angle may help prevent pupil block in glaucoma.
78 citations
,
June 1989 in “The Journal of dermatologic surgery and oncology” Acne keloidalis is a chronic skin condition on the back of the neck in young black men, needing surgery for severe cases.
8 citations
,
January 2018 in “European journal of dermatology/EJD. European journal of dermatology” The girl's regrown brown hair had less of certain pigments than her original black hair.
3 citations
,
April 2022 in “Cutis” CCCA is a common, scarring hair loss in Black women that needs early detection.
1 citations
,
September 2024 in “Journal of Investigative Dermatology” Ancestry affects skin healing, with non-Hispanic Black patients showing more healing-related fibroblasts than White patients.
1 citations
,
January 2007 in “中国科学通报:英文版” Women's hair has more sulfur, and black hair has more calcium than white hair.
1 citations
,
October 1993 in “PEDIATRICS” Using hot curling irons and hair gels can cause seizures in young black girls during hair grooming.
December 2025 in “International Journal of Research in Dermatology” The Ayurvedic treatment safely and effectively restores natural hair color by increasing black hair and reducing grey hair.
May 2024 in “Journal of Fungi” Tinea capitis in adults, especially postmenopausal Black women, needs prompt treatment with oral antifungals to avoid scarring.
August 2023 in “JAAD international” Most patients with Central Centrifugal Cicatricial Alopecia at the reviewed institution were middle-aged Black women, often with no symptoms, and commonly treated with topical medications.
Iron supplements help reduce fatigue in anaemia but often cause side effects like black stools and stomach issues.
January 2003 in “Research Portal (King's College London)” Hair color affects light reflection, with black hair having higher cuticle angles and lighter hair showing less specular reflection.
138 citations
,
April 2003 in “Carcinogenesis” 2-Methoxyestradiol causes cancer cell death by activating specific pathways, but androgens can block this effect.
51 citations
,
May 2011 in “Phytotherapy Research” Ginseng, especially red ginseng, may help regrow hair and block a hair loss-related enzyme.
18 citations
,
March 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Estrogen increases blood vessel growth factor production, while testosterone blocks this increase.
10 citations
,
July 1994 in “Journal of Dermatological Science” Cyclosporin extends hair growth in mice, but high-dose corticosteroids block this effect.
3 citations
,
December 2020 in “Problemy e̊ndokrinologii” Male hormones may make COVID-19 worse, while substances that block these hormones could lessen symptoms.