The human scalp has different types of pigment cells in hair follicles with varying abilities to produce pigment.
August 2023 in “International Journal of Molecular Sciences” The human scalp hair bulb contains different types of melanocytes with varying abilities to produce melanin.
6 citations
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January 2005 in “PubMed” Cotton honeydew extract improves hair smoothness and reduces damage.
7 citations
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September 2024 in “BMC Genomics” Two genes, ERBB4 and ROR1, may cause the unique pigmentation in Lanping black-boned sheep.
18 citations
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September 2016 in “International Journal of Molecular Sciences” Polydeoxyribonucleotide (PDRN) may help lighten skin and treat hyperpigmentation.
Surgical repigmentation can permanently restore color to white hair in vitiligo patients.
40 citations
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January 2013 in “Clinical Cosmetic and Investigational Dermatology” Desonide is more effective than niacinamide for reducing underarm darkening.
Melanin-rich skin has unique challenges in diagnosing and treating skin diseases.
23 citations
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May 2017 in “Journal of the American Academy of Dermatology” FFA patients have fewer melanocytes and thinner skin compared to others.
8 citations
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August 2018 in “Journal of Investigative Dermatology” 101 citations
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July 1985 in “Journal of the American Academy of Dermatology” Biotin improved hair growth and combability in one child with uncombable hair syndrome.
41 citations
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December 2018 in “Experimental Dermatology” Understanding how melanocyte stem cells work could lead to new treatments for hair graying and skin pigmentation disorders.
1 citations
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July 2015 in “British Journal of Dermatology” Imiquimod improved skin pigmentation in most patients with xeroderma pigmentosum and may prevent further skin cancer, but some treatments can have side effects.
4 citations
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February 2025 in “Pharmaceuticals” Voglibose may help treat skin hyperpigmentation safely.
18 citations
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April 1989 in “Archives of Dermatology” Iron deficiency can cause hair color changes, which can be reversed with iron supplements.
4 citations
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December 2024 in “International Journal of Molecular Sciences” Hom Thong banana peels can help reduce skin pigmentation by inhibiting melanin production.
9 citations
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January 2012 in “International journal of trichology” Trichostasis spinulosa can be diagnosed with a simple skin biopsy and treated with specific gels, but lesions may return after stopping treatment.
26 citations
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December 2013 in “Aesthetic Plastic Surgery” Micropigmentation safely and effectively hides scalp hair loss and scars.
23 citations
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April 2004 in “American Journal of Ophthalmology” Using bimatoprost on one side of the face caused increased cheek hair growth in a patient.
15 citations
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March 2004 in “American Journal of Ophthalmology” Using bimatoprost on one side of the face caused increased cheek hair growth in a patient.
38 citations
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July 1998 in “Journal of surgical oncology” A woman with breast cancer developed a rare condition causing excessive fine hair growth on her face and body.
19 citations
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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.
2 citations
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November 1995 in “American Journal of Obstetrics and Gynecology” Taking vitamin B6 corrected a pregnant woman's metabolic disorder, which changed her hair color.
20 citations
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December 2006 in “Archives of dermatology” 4 citations
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June 1989 in “Archives of Dermatology” A man had a black pore on his cheek, which was removed and found to be a hair follicle tumor.
August 2025 in “Annals of Medicine” Mycophenolate mofetil may safely help restore skin color in depigmentation conditions.
1 citations
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April 2016 in “The American Journal of the Medical Sciences” The document concludes that doctors should check for frontal fibrosing alopecia in patients with acquired hyperpigmentation and that early treatment is important.
January 2007 in “Linchuang pifuke zazhi” A 15-year-old boy had a rare skin growth on his buttock.
8 citations
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July 2018 in “European Journal of Dermatology” A medication may help with hair growth in psoriasis, and a skin condition might be linked to a specific bacteria.
2 citations
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March 2017 in “Sultan Qaboos University medical journal” An infant had two different natural hair colors on the scalp with no health issues.