January 2018 in “Jaypee Brothers Medical Publishers (P) Ltd. eBooks” Scalp micropigmentation is a process where tiny dots of pigment are tattooed onto the scalp to create the appearance of a shaved head or fuller hair.
January 1990 in “Springer eBooks” Some chemicals can permanently or temporarily remove color from skin and hair, which can be distressing and is not well-regulated in cosmetics.
8 citations
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January 2017 in “Korean Journal of Physiology and Pharmacology” Pimecrolimus boosts melanin production and movement of skin pigment cells.
1 citations
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September 2024 in “Frontiers in Cell and Developmental Biology” Pigs are a good model for studying human hair growth and disorders.
Retinoids or their analogs could treat skin pigmentation disorders like melasma and vitiligo.
April 2023 in “Experimental Dermatology” Human dermal papilla cells can increase hair thickness and number in pigs with just one injection.
7 citations
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March 1990 in “Pigment Cell Research” Certain chemicals cause hair graying in black mice but not yellow mice.
53 citations
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November 1997 in “Journal of Forensic Sciences” Darker hair in guinea pigs holds more codeine than lighter hair.
July 1996 in “Hair transplant forum international” Using tretinoin and hydroquinone can speed up the fading of skin pigmentation.
84 citations
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April 2005 in “Dermatologic Clinics” Treatments for melanin disorders exist, but more effective options needed.
February 2016 in “Seoul National University Open Repository (Seoul National University)” Photodynamic therapy can temporarily remove nonpigmented hair but is less effective than lasers for black hair.
January 2006 in “Chinese Journal of Dermatology” Latanoprost helps pig hair follicles grow faster by keeping them in the growth phase longer.
1 citations
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March 2024 in “Ophthalmic Plastic and Reconstructive Surgery” A pilomatrixoma in the eyebrow can cause hair loss and skin lightening.
2 citations
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March 2024 in “Journal of Cosmetic Dermatology” White hair from alopecia areata can turn pigmented after treatment.
111 citations
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June 2002 in “The EMBO Journal” Too much Smad7 can cause serious changes in skin tissues, including problems with hair growth, thymus shrinkage, and eye development issues.
5 citations
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March 2023 in “Journal of the American Academy of Dermatology” Prurigo pigmentosa mainly affects middle-aged White and Asian women, often linked to a ketogenic diet, and is best treated with oral antibiotics.
July 2025 in “Dermatology Practical & Conceptual” Topical eyedrops may cause eyelash whitening and skin lightening around the eyes.
2 citations
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August 1987 in “Archives of Dermatology” Langerhans' cells are not responsible for depigmentation in this mouse model.
TBX3 gene affects horse coat color, with higher expression in darker areas.
June 2025 in “Australasian Journal of Dermatology” Pigmented rings with central clearing help diagnose melasma more accurately.
1 citations
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December 2024 in “Case Reports in Dermatology” Cyclophosphamide likely causes skin darkening by affecting hair follicles.
April 2024 in “International journal of molecular sciences” Dermal factors are crucial in regulating melanin production in skin.
2 citations
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August 2016 in “Lasers in Surgery and Medicine” Photodynamic therapy can remove nonpigmented hair in mice and might work for humans.
27 citations
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March 2006 in “Dermatologic surgery” Medical tattooing is a widely accepted, easy, and permanent treatment with few side effects but carries an infection risk without proper sterilization.
3 citations
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October 1996 in “International Journal of Dermatology” Melatonin can affect skin color, treat skin conditions, and may help with skin cancer.
7 citations
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March 2003 in “PubMed” The scalp has a natural speckled pattern of increased pigment around hair follicles, possibly linked to local hormone production.
1 citations
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March 2025 in “Journal of Cosmetic Dermatology” Exosomes and laser therapy can help regrow and repigment hair.
October 2025 in “Our Dermatology Online” Tranexamic acid and oral retinoids may effectively treat lichen plan pigmentosus.
16 citations
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January 2008 in “Acta dermato-venereologica” Vitamin B12 deficiency can cause skin darkening and increased blood vessels, but treatment can improve symptoms.
December 2023 in “Journal of ethnopharmacology” Tribuloside can increase skin pigmentation by enhancing melanin production and distribution.