February 2005 in “CRC Press eBooks” Hair color is due to active pigment cells in hair during growth.
450 citations
,
January 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color is determined by melanin produced and transferred in hair follicles.
20 citations
,
August 1981 in “Developmental Medicine & Child Neurology” 13 citations
,
June 1981 in “Developmental Medicine & Child Neurology”
134 citations
,
September 2008 in “Lasers in surgery and medicine” Low fluence photoepilation temporarily removes hair by targeting the hair follicle's pigmented area without severe damage.
January 2012 in “Jounal of The Korean Society of cosmetology” Applying conditioner mid-treatment reduces hair damage during perms.
11 citations
,
June 2018 in “Annales de dermatologie et de vénéréologie” Hair care products can cause skin irritation and allergies.
20 citations
,
December 2003 in “Journal of Cosmetic and Laser Therapy” An 800nm diode laser safely and effectively reduces hair for about 8 months, with most patients satisfied and few side effects.
7 citations
,
June 2019 in “Coloration Technology” Translucent keratin films are better for testing hair dyes.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal mehendi gel safely colors hair naturally while nourishing and protecting the scalp.
February 2022 in “arXiv (Cornell University)” A new method accurately captures and renders hair color for real and synthetic images.
152 citations
,
December 2003 in “Micron” As people age, their hair follicles produce less pigment, leading to gray and white hair, due to factors like reduced enzyme activity and damage to melanocyte DNA.
10 citations
,
January 2013 in “Journal of The European Academy of Dermatology and Venereology” The home-use IPL device effectively reduced hair and delayed its regrowth after six months of use, with users happy and no negative side effects.
132 citations
,
October 1995 in “Journal of the American Academy of Dermatology” Electrolysis is effective for permanent hair removal, but technique is key to avoid scarring, and sometimes hormonal treatment is needed for women with hirsutism.
3 citations
,
August 2008 in “PubMed” Repeated digital perming with sodium thioglycolate lotion significantly damages hair protein and structure.
85 citations
,
January 2002 in “Dermatologic Clinics” Lasers and intense pulsed light can safely and effectively remove hair by targeting hair follicles.
17 citations
,
August 1979 in “Journal of The American Academy of Dermatology” A new staining method helps tell growing from resting hairs to diagnose hair loss.
2 citations
,
January 2017 in “Journal of Biotechnology Research Center” Hair dyes affect DNA analysis results, with the prepFiler kit working best for hair with follicles.
17 citations
,
February 2011 in “International Journal of Cosmetic Science” Grey hair is wilder, drier, and less manageable than pigmented hair.
1 citations
,
June 2023 in “Skin Research and Technology” Hair-coating shampoos dye better initially, but hair-oxidation shampoos keep color longer and may damage hair more.
8 citations
,
November 2019 in “International Journal of Morphology” Henna dye improves hair cuticle and thickness but effects vary by hair type and health.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal mehendi gel safely colors hair and nourishes the scalp.
16 citations
,
October 2009 in “Xenobiotica” The tested hair dye ingredients do not form harmful oxidized metabolites in the liver.
February 2026 in “American Scientific Research Journal for Engineering, Technology, and Sciences (Global Society of Scientific Research and Researchers)” Gray hair requires special coloring techniques and care to maintain quality and strength.
6 citations
,
January 2016 in “Indian Journal of Dermatology Venereology and Leprology” Most hair dyes can cause allergic reactions, so test before use.
November 2024 in “Majalah Farmasetika” The natural hair dye gel with 12% Eleutherine bulbosa extract effectively colors bleached hair dark brown and is stable and non-irritating.
2 citations
,
April 2024 in “Cosmetics” Plant extracts can help remove permanent makeup without lasers.
5 citations
,
November 2023 in “Journal of Advanced Research” New methods may change hair color and shape from the root, revolutionizing hair styling.
14 citations
,
May 2006 in “Clinical obstetrics and gynecology” Laser hair removal shows promising short-term results but isn't yet permanent.
27 citations
,
January 1995 Melanin in black hair protects it from sun damage better than light-brown hair.