June 1997 in “The American Journal of Cosmetic Surgery” The book "Color Atlas of Hair Restoration Surgery" provides useful information on hair restoration techniques, though some methods discussed may cause scarring.
August 2024 in “International Journal of Cosmetic Science” Acetyl zingerone methyl ether protects and extends hair color while improving hair health.
1 citations
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April 2008 in “Pigment Cell & Melanoma Research” Foxn1 is essential for hair pigmentation by directing pigment transfer to hair cells.
November 2025 in “International Journal of Biological Macromolecules” This eco-friendly hair dye method improves hair health and color durability.
January 2023 in “Fashion and textiles” Cationic and nonionic surfactants provide better color intensity and resistance for semi-permanent hair dye than anionic surfactants.
Plant-based dyes are a safe, effective, and eco-friendly alternative to synthetic dyes.
4 citations
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August 2016 in “PubMed” Repeated dyeing and shampooing cause hair color loss and damage.
Exosome therapy successfully regrew and restored natural hair color in a man with stress-related hair loss.
July 2024 in “Dermatology and Therapy” Darker hair colors may increase the risk of alopecia areata, while lighter hair colors may decrease it.
October 1890 in “Science” Pilocarpin can cause hair regrowth and color change in some cases but not in others, and it may have side effects in animals.
Human hair color is determined by melanin types and genetic factors.
December 2025 in “Journal of Forensic Sciences” Bleaching hair doesn't affect the accuracy of dye identification using SERS.
4 citations
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March 2020 in “Scientific Reports” Scientists created a colored thread-like material containing a common hair loss treatment, which slowly releases the treatment over time, potentially offering an effective, neat, and visually appealing solution for hair loss.
1 citations
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July 2025 in “International Journal of Dermatology” Misdiagnosis of hair and scalp disorders is common in patients with skin of color, highlighting the need for better training and evaluation.
July 2026 in “Journal of Investigative Dermatology” More research is needed to understand hair and scalp disorders in children with skin of color.
June 2024 in “International journal of women’s dermatology” Dermatology residents need better training to treat hair conditions in patients with skin of color.
March 1996 in “Hair transplant forum international” The book teaches how to perform hair restoration surgeries.
Coreopsis tinctoria Nutt. extract can effectively dye hair yellow or dark brown with good wash durability.
Plant-based dyes are a safe, effective, and eco-friendly alternative to synthetic dyes.
35 citations
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January 1981 17 citations
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January 2015 in “Pharmacognosy Research” A herbal mix, especially with Jatamansi, effectively darkens gray hair.
62 citations
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December 1966 in “Endocrinology” Injecting α-MSH made mice's hair turn black.
17 citations
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January 2008 in “Journal of the American Academy of Dermatology” Valproic acid can cause hair loss, but information on hair color change is not detailed.
April 2026 in “Biomolecules” Squid ink melanin nanoparticles create a safe, long-lasting black hair dye that protects hair and offers UV protection.
A natural hair dye from cuttlefish ink and chitosan effectively colors hair black without harmful chemicals.
19 citations
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June 2009 in “Seminars in cutaneous medicine and surgery” Proper education can prevent traction alopecia in women of color.
13 citations
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March 2010 in “International Journal of Cosmetic Science” Hair coloring increases copper and calcium uptake, damaging hair and reducing shine.
35 citations
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October 2000 in “Dermatologic clinics” A scarring hair loss condition mainly affects middle-aged women of African descent, impacting their quality of life, with treatments more effective when started early.
28 citations
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June 1991 in “Veterinary Dermatology” Black and white Saluki dogs have a unique hair loss condition different from Doberman pinschers.
16 citations
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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.