31 citations
,
February 1999 in “Dermatologic surgery” Sun exposure after laser hair removal can cause skin darkening, which is hard to treat and requires avoiding UV light.
December 2018 in “Dermatologic Surgery”
4 citations
,
August 2014 in “Journal of molecular structure” Chemical treatments on bleached black hair change its internal structure by breaking and reforming bonds, and treatments with hydrolyzed eggwhite protein help repair it.
1 citations
,
March 2025 in “Journal of Cosmetic Dermatology” Exosomes and laser therapy can help regrow and repigment hair.
36 citations
,
June 2016 in “Journal of dermatological treatment” The combination therapy significantly improved Riehl’s melanosis in patients without serious side effects.
Cryotherapy is the best depigmentation method for vitiligo but needs an expert to perform it.
January 2025 in “Archives of Dermatological Research” PMEE may help reverse greying hair by boosting melanin production.
March 2026 in “Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials” Bleaching and UV exposure significantly damage hair.
2 citations
,
May 2018 in “Dermatologic Surgery” 12 citations
,
July 2012 in “Journal of Applied Polymer Science” Botanical extracts can protect and repair bleached hair.
1 citations
,
January 1988 Cosmetic treatments after chlorination damage hair more than treatments before.
July 1996 in “Hair transplant forum international” Using tretinoin and hydroquinone can speed up the fading of skin pigmentation.
August 2019 in “Journal of The American Academy of Dermatology” Bleach baths with 0.005% hypochlorite help manage atopic dermatitis by affecting skin cells and reducing itchiness.
12 citations
,
January 2021 in “Dermatology Research and Practice” The 1927 nm Thulium laser effectively and safely treats postinflammatory hyperpigmentation in darker skin tones.
5 citations
,
August 2014 in “Dermatologic surgery” Advanced fluorescence technology effectively treats skin discoloration from certain creams.
6 citations
,
March 1990 in “The American journal of cosmetic surgery” September 2017 in “Journal of Investigative Dermatology” Photodynamic therapy can potentially remove nonpigmented hair by damaging hair follicles.
7 citations
,
January 1995 Silicone pretreatment protects hair from damage and reduces color fading without interfering with bleaching or dyeing.
15 citations
,
January 2013 in “Dermatologic Surgery” Epithelial grafting can effectively repigment white hair in vitiligo patients.
2 citations
,
June 2018 in “Dermatologic Surgery” January 2026 in “Frontiers in Medicine” PP-PTKL may help treat hair greying, but more testing is needed.
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.
Surgical repigmentation can permanently restore color to white hair in vitiligo patients.
January 2024 in “Uttar Pradesh journal of zoology” Chemical treatments severely damage hair cuticles, especially in previously treated hair.
December 2021 in “Cosmetics”
8 citations
,
January 2016 in “Journal of fiber science and technology” Bleaching hair increases cysteic acid levels in a predictable way.
7 citations
,
September 2004 in “International Journal of Cosmetic Science” Blond hair lightens more with visible light directly, while ultraviolet light lightens it after washing by damaging other hair parts.
8 citations
,
May 2012 in “Clinical and Experimental Dermatology” An 82-year-old woman's hair turned white suddenly, likely due to a rare form of alopecia that targets pigmented hair.
6 citations
,
October 2003 in “Journal of applied polymer science” A new method using poly(ethylene imine) improves hair dyeing at lower temperatures with better color retention.