101 citations
,
April 2013 in “Science” Feather pigment patterns form through melanocyte arrangement and simple regulatory mechanisms.
25 citations
,
June 2015 in “Clinical, Cosmetic and Investigational Dermatology” Microneedling helps increase the absorption of a melanin product into hair follicles, which may improve laser hair removal effectiveness.
November 2013 in “Institutional Repositories DataBase (IRDB)” Gamma-ray exposure during hair rest phase harms hair growth and color in mice.
September 2025 in “Universal library of medical and health sciences.” Permanent makeup can effectively restore lip shape and color after tissue loss, improving appearance and well-being.
March 2011 in “Pigment Cell & Melanoma Research” The Agouti gene influences pigmentation and may have a developmental role in deer mice.
10 citations
,
September 2022 in “Journal of Biophotonics” Blue light therapy is safe for skin and may protect against UV radiation.
October 2021 in “QJM: An International Journal of Medicine” Vitiligo patients have higher hydrogen peroxide levels and lower E-cadherin, affecting skin cell adhesion and pigmentation.
January 2006 in “Carl von Ossiezky University of Oldenburg” Unpigmented keratinocytes absorb substances faster, while melanocytes bind more strongly to melanin.
21 citations
,
March 2020 in “Journal of lasers in medical sciences” Diode laser hair removal is effective and safe, but side effects vary by ethnicity and treatment number.
January 2017 in “Archives of clinical and biomedical research” Enhancing melanin's energy generation may help treat alopecia areata.
23 citations
,
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
,
March 2004 in “American Journal of Ophthalmology” Using bimatoprost on one side of the face caused increased cheek hair growth in a patient.
16 citations
,
October 2015 in “Photochemistry and photobiology” Reducing copper (II) ion levels in hair can decrease hair damage.
April 2012 in “Development” Rac1 is crucial for normal hair structure and pigmentation.
56 citations
,
November 2010 in “Pigment Cell & Melanoma Research” Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.
75 citations
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January 1980 in “Journal of Investigative Dermatology”
3 citations
,
January 2021 in “Skin appendage disorders” Hair color is not a risk factor for developing alopecia areata.
August 2024 in “Animal Bioscience” Exosomal miR-222-3p reduces melanin production in rabbits by targeting the SOX10 gene.
24 citations
,
June 2011 in “International Journal of Dermatology” Most pregnant women experience skin changes like darkening and itching, while serious skin conditions are rare but need early treatment.
May 2002 in “British Journal of Dermatology” A pregnant woman's skin condition improved after giving birth, possibly due to high estrogen levels during pregnancy.
4 citations
,
October 2020 in “JAAD Case Reports” Platelet-rich plasma may improve vitiligo treatment when used with phototherapy.
6 citations
,
January 2007 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Gray hair regained color after thyroid hormone treatment.
17 citations
,
August 2021 in “Dermatologic surgery” Microneedling is generally safe but can cause minor, temporary side effects and requires caution for some patients.
5 citations
,
August 2015 in “Sultan Qaboos University medical journal” Vitamin B12 deficiency can cause skin darkening and other symptoms, which improve with B12 supplements.
40 citations
,
February 2002 in “International Journal of Dermatology” Permanent hair dye damages hair but it mostly recovers after 8 weeks; using certain hair care products can help repair it.
May 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” Nicastrin deficiency may cause skin cell damage and pigmentation disorders in humans, similar to effects seen in fish.
17 citations
,
December 2015 in “International Journal of Cosmetic Science” Visible light can improve skin disorders and hair loss, but more research is needed to understand long-term effects.
January 2006 in “Chinese Journal of Dermatology” Latanoprost helps pig hair follicles grow faster by keeping them in the growth phase longer.
6 citations
,
December 2013 in “Journal of Cosmetic Dermatology” Pigmented concealing powders can improve the look of hair density for people with hair loss but need daily application and may not work well in wet conditions.
195 citations
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January 2008 in “Photochemistry and Photobiology” Visible light can damage skin and most sunscreens don't block it well; more research is needed on its effects and protection methods.