July 1996 in “Hair transplant forum international” Using tretinoin and hydroquinone can speed up the fading of skin pigmentation.
8 citations
,
February 2005 in “British Journal of Haematology” Chemotherapy caused the patient's hair to have alternating thick and thin segments.
19 citations
,
July 2009 in “Clinical and Experimental Dermatology” The study found that long-term sun exposure does not significantly affect follicular plugs on the scalp, and the scalp's appearance is unique compared to other body parts.
June 2025 in “BMJ Case Reports” Axitinib treatment turned a man's grey hair back to black.
1 citations
,
November 2022 in “Frontiers in medicine” The study found that giant pandas have more melanin in black hair follicles than white, with gene expression differences that could affect hair color and skin health.
1 citations
,
April 2023 in “Clinical, cosmetic and investigational dermatology” Antigens from skin cells may cause hair loss in perinevoid alopecia.
19 citations
,
October 1996 in “International Journal of Dermatology” Pseudopelade is a rare inherited hair loss condition with a genetic cause.
February 2025 in “International Journal of Molecular Sciences” Altered lipid pathways in diabetic women may cause premature greying.
6 citations
,
January 2019 in “Indian Journal of Pharmacology” Melitane 5% and hair supplements improved hair color in a 14-year-old with early graying.
1 citations
,
January 2018 in “Acta dermato-venereologica” A teenager's hair with alternating white and dark bands, known as Pili annulati, is a genetic condition that is usually harmless and often considered attractive.
24 citations
,
May 2000 in “Journal of the American Academy of Dermatology” Pseudopelade can affect both the scalp and beard, causing hair loss.
51 citations
,
September 2000 in “Acta dermato-venereologica” PPAR alpha may help in hair growth and could be a target for treatment.
3 citations
,
May 1979 in “PubMed”
August 2023 in “International Journal of Molecular Sciences” The human scalp hair bulb contains different types of melanocytes with varying abilities to produce melanin.
19 citations
,
May 2007 in “Dermatologic therapy” The document concludes that various treatments, including laser therapy, are effective for managing pseudofolliculitis barbae, especially in darker skin types.
1 citations
,
September 2017 in “Journal of Pathology of Nepal” Testing hair roots with a special dye is a simple, non-invasive way to check disease progress in pemphigus vulgaris patients.
12 citations
,
September 2018 in “International Journal of Cosmetic Science” Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.
16 citations
,
June 2015 in “Seminars in Cutaneous Medicine and Surgery” Hair loss in people with darker skin has unique challenges and requires careful diagnosis and treatment.
13 citations
,
August 2019 in “Biological & Pharmaceutical Bulletin” Certain flavonoids help grow back colored hair after skin injury.
March 2019 in “eCommons (Cornell University)” The pony's skin condition improved significantly with prednisolone treatment.
Polarized microscopy helps identify hair irregularities in genetic disorders.
April 2021 in “Journal of Investigative Dermatology” Photobiomodulation therapy may help treat hair loss in people with darker skin, but more research is needed.
20 citations
,
June 2011 in “ISRN Dermatology (Print)” A woman lost most of her hair due to an allergic reaction to a hair dye ingredient.
A 32-year-old man with early graying hair shows a unique pattern, suggesting more research is needed on why hair grays early.
4 citations
,
May 2023 in “Pigment Cell & Melanoma Research” BMI1 is essential for preventing hair greying and maintaining hair color.
May 2009 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” PPARgamma is crucial for healthy hair follicles, and its loss causes scarring alopecia.
3 citations
,
June 2017 in “International Journal of Radiation Biology” Gamma rays did not change hair follicle density but increased white and hypopigmented hairs in mice.
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.
4 citations
,
January 2019 in “Micron” Fetal hair follicles have melanocytes with melanosomes at different stages, which are broken down into pigment particles in keratinocytes.
11 citations
,
May 2012 in “Genesis” Bmpr2 and Acvr2a receptors are crucial for hair retention and color.