August 2022 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal hair dye effectively provides a natural reddish-brown color without synthetic chemicals.
March 2021 in “International journal for research in applied science and engineering technology” Herbal hair dyes from tannin-rich plants are effective and safer than synthetic dyes.
Human hair color is determined by melanin types and genetic factors.
September 2011 in “Daehan miyong hakoeji” Henna orange powder, especially with alkali, protects and colors hair better than oxidizing colorants.
January 2010 in “Elsevier eBooks” Hair color is important in many fields and is measured for various purposes.
15 citations
,
June 2019 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Chemical and physical treatments like bleaching, dyeing, and UV radiation damage both Caucasian and Afro-ethnic hair.
1 citations
,
January 2010 in “LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas)” Conditioners improved hair protein retention and combing ease, with some providing thermal protection.
7 citations
,
January 1995 Silicone pretreatment protects hair from damage and reduces color fading without interfering with bleaching or dyeing.
1 citations
,
January 1988 Cosmetic treatments after chlorination damage hair more than treatments before.
November 2016 in “University of the Arts London Research Online (University of the Arts London)” Shampoos with polymers and dyes help maintain and enhance hair color vibrancy.
Chemical treatments weaken hair's thermal stability and structure.
January 2014 in “University of the Arts London Research Online (University of the Arts London)” Certain ingredients can help protect hair color.
5 citations
,
November 2023 in “Journal of Advanced Research” New methods may change hair color and shape from the root, revolutionizing hair styling.
September 2010 in “International Journal of Cosmetic Science” Chemical treatments change hair surface properties, making it more hydrophilic and able to bind conditioners.
August 2021 in “Han'gug miyong haghoeji/Journal of the Korean society of cosmetology” Using natural polyphenol cross-linkers like tannic acid and green tea extract in perm treatments improves curling and protects hair.
June 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” A new hair dye method uses polyphenols and oxidation to create a long-lasting brown color on gray hair.
Hair ages by graying and thinning, treatable with medications, transplants, or hair dye.
157 citations
,
April 1997 in “International journal of legal medicine” Cosmetic hair treatments like bleaching and dyeing reduce drug levels in hair samples.
August 2023 in “Journal of Health and Beauty” K-30 treatment restores protein and weight in damaged hair, making it similar to healthy hair.
3 citations
,
January 2007 in “Journal of health science” The enzymatic method can effectively identify chemical treatments on hair.
19 citations
,
May 1992 in “International Journal of Dermatology” Some alternative vitiligo treatments show promise, but none are as effective as psoralens and UVA.
September 2017 in “Journal of Investigative Dermatology” The new scalp treatment preserves hair color, reduces hair loss, and maintains hair strength.
March 2020 in “Journal of Burn Care & Research” Hair highlighting can cause severe scalp burns, and surgery with psychological support improves recovery.
January 2012 in “Jounal of The Korean Society of cosmetology” Applying conditioner mid-treatment reduces hair damage during perms.
84 citations
,
April 2005 in “Dermatologic Clinics” Treatments for melanin disorders exist, but more effective options needed.
December 2025 in “Biopolymers” Heat worsens damage in chemically treated hair, especially bleached and straightened hair.
January 2021 in “Hair therapy & transplantation” 4 citations
,
June 2022 in “Journal of cleaner production” New eco-friendly method strengthens and sets hair using light and causes less damage.
12 citations
,
May 2019 in “Journal of cosmetic dermatology” Effective treatments for premature hair graying still require significant research.