56 citations
,
January 1996 in “Journal of Forensic Sciences” Dye enters hair at the edges of cuticle cells and penetrates more from water than alcohol-based solutions.
5 citations
,
January 1990 in “Journal of Society of Cosmetic Chemists of Japan” Permanent wave lotion can extract proteins from hair, especially when pH is higher, and repeated treatments or bleaching can damage hair.
Using aluminum foil for hair bleaching gives better copper blonde color.
November 2023 in “Borneo Journal of Pharmacy” Sappan wood hair tonic helps protect and repair damaged hair.
September 2020 in “Benha Journal of Applied Sciences” Protein hair straighteners damage the hair more than hair dyes.
June 2010 in “DR-NTU (Nanyang Technological University)” Hair coloring and chlorine change hair strength differently.
June 2025 in “Clinical and Experimental Dermatology” A 76-year-old man's grey hair turned back to its original color after radiotherapy.
2 citations
,
July 2012 in “PubMed” Ceramide-rich liposomes can effectively repair and strengthen damaged hair.
August 2025 in “Applied Sciences” Peroxide-rich plasma-activated water is gentler on hair than nitrate-rich formulations.
3 citations
,
July 2023 in “Acta Biomaterialia” PepACS offers a safer, eco-friendly way to perm, dye, and repair hair.
10 citations
,
January 2011 in “Skin research and technology” Procyanidin oligomers can protect hair from oxidative damage and could be good for hair care products.
June 2016 in “한국디자인문화학회지” UVA damages all hair types, especially permanently waved and colored hair.
2 citations
,
March 2005 in “International Journal of Cosmetic Science” Human hair structure varies by ethnicity, and certain treatments can improve hair condition and appearance.
34 citations
,
January 2012 in “Journal of Dermatological Science” Hydrogen peroxide and monoethanolamine in hair dye can cause dermatitis and hair loss.
20 citations
,
September 2018 in “Journal of colloid and interface science” Modified keratin binds better to hair, especially bleached hair.
1 citations
,
October 2009 in “International Journal of Cosmetic Science” A new keratin treatment can strengthen and protect aging hair.
February 2010 in “Journal of the American Academy of Dermatology” The shampoo and conditioner improved dry, damaged hair significantly after three uses.
November 2025 in “Cosmetics” Rice germ oil improves hair health, but adding ferulic acid offers limited benefits and may worsen chemically damaged hair.
32 citations
,
August 2019 in “Nature Communications” Chemotherapy causes permanent hair follicle damage by triggering stem cell loss.
January 2026 in “International Journal of Biological Macromolecules” Small KP peptide improves hair without reducing agents, while larger proteins need them for better results.
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.
59 citations
,
January 2013 in “Annals of Dermatology” Asian hair is more resistant to UV damage due to higher lipid content.
8 citations
,
January 2018 in “European journal of dermatology/EJD. European journal of dermatology” The girl's regrown brown hair had less of certain pigments than her original black hair.
1 citations
,
November 2023 in “Cosmetics” Surfactants damage hair, but sealing the cuticle can prevent this.
April 2023 in “Journal of Investigative Dermatology” Honey mixture improved damaged Asian hair, making it stronger, softer, and shinier.
13 citations
,
September 2014 in “Journal of photochemistry and photobiology. B, Biology” UV radiation increases protein loss from hair and reduces hair protein quality.
January 2017 in “Durham e-Theses (Durham University)” Chemical stressors damage hair structure but the skin's outer layer protects living cells.
February 2020 in “The Pharmaceutical Society of Japan” 1 citations
,
January 2002 in “Springer eBooks”
Bio-enhanced hair restoration improves hair growth.