2 citations
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November 2024 in “JAAD reviews.” Certain drugs can change hair color, either lightening or darkening it.
15 citations
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July 2004 in “AIDS” Indinavir therapy can cause reversible skin, hair, and nail darkening.
1 citations
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December 2024 in “Case Reports in Dermatology” Cyclophosphamide likely causes skin darkening by affecting hair follicles.
2 citations
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October 2021 in “Clinical and experimental dermatology” Cyperus rotundus essential oil effectively treats underarm darkening, reduces inflammation, and slows hair growth.
9 citations
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December 2010 in “Journal of The European Academy of Dermatology and Venereology” Latanoprost therapy potentially caused a woman's white hair to darken again.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal hair dye with Barleria prionitis is a safe, effective, and natural alternative to chemical dyes.
January 2025 in “International journal of Indian medicine” Certain herbs in Ayurveda are effective for hair growth, darkening, and health.
20 citations
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February 2010 in “Journal of Investigative Dermatology” Slug (Snai2) helps regulate hair growth timing in mice.
Acitretin treatment unexpectedly darkened a patient's gray hair.
Hair turning darker can be a sign of skin cancer.
January 2010 in “Xiandai yaowu yu linchuang” Yangxue Shengfa Capsules promote hair growth by increasing blood flow and hair follicles.
23 citations
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June 2021 in “Lasers in Medical Science” Blue light therapy may help with hair growth, but more research is needed.
2 citations
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January 2023 in “International journal of biological sciences” Gray hair can potentially be reversed, leading to new treatments.
January 2007 in “Journal of the American Academy of Dermatology” A 73-year-old man's grey-white hair turned dark brown after eczema treatment.
25 citations
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November 2015 in “Journal of Ethnopharmacology” Certain Chinese herbs, especially Cacumen platycladi, can promote hair regrowth and reduce hair loss-related hormone levels in mice.
5 citations
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April 2018 in “Chem” Graphene-based hair dye is a safe, durable, and effective alternative to traditional black hair dyes.
22 citations
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August 1999 in “Experimental Dermatology” Certain drugs can cause early hair growth in mice by affecting the nerves.
June 2022 in “International Journal of Advanced Research in Science, Communication and Technology” The polyherbal hair oil helps hair growth, darkens white hair, fights dandruff, and makes hair shiny.
January 2003 in “Linchuang pifuke zazhi” Zingiber coralliaum oil promotes early hair growth in mice.
February 2023 in “Pakistan Journal of Medical and Health Sciences” Pregnancy can cause various skin changes, with stretch marks, dark lines on the abdomen, and skin darkening being the most common.
9 citations
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July 2016 in “The Journal of Dermatology” An 82-year-old man's white hair regained color after taking etretinate for psoriasis.
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.
39 citations
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March 2009 in “Dermatology Online Journal” Erlotinib can cause persistent excessive hair growth.
19 citations
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February 2016 in “Journal of Biological Chemistry” KCNQ potassium channels help control the sensitivity of touch receptors in the skin.
November 2009 in “Companion Animal” The document suggests that Alopecia X in dogs is mainly a cosmetic issue and might be better left untreated.
23 citations
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November 2007 in “Actas Dermo-Sifiliográficas” Thyroid hormone (T3) may reverse gray hair by stimulating hair growth.
December 2025 in “JEADV Clinical Practice” A woman with hair loss condition experienced rare hair color return, suggesting it might help diagnose the condition.
A woman successfully sued for not being told about a medication's side effects, emphasizing doctors' duty to inform patients.
71 citations
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February 2006 in “Clinics in Dermatology” Pregnancy causes skin changes like darkening, hair thickening, nail changes, and increased risk of skin growths, most of which usually resolve after birth.
2 citations
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January 2019 in “Zenodo (CERN European Organization for Nuclear Research)” Herbal cosmetics are safe and effective for skin care.