June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Henna is a safer, natural hair dye but needs more research and standardization.
January 2008 in “Chinese Journal of Spectroscopy Laboratory” Cysteine formation on hair indicates damage, best detected at pH 4.5.
January 2025 in “International Journal of Advanced Research in Science Communication and Technology” Polyherbal hair dyes are safer and more eco-friendly than chemical dyes.
2 citations
,
June 2018 in “Cosmetics” AMPD is a better and less damaging alternative to ammonium hydroxide for hair bleaching.
March 2011 in “Focus on surfactants” Several companies launched new hair care ingredients in 2011 to improve conditioning, color retention, combability, and heat protection.
March 2025 in “Digital Library of Theses and Dissertations (Universidade de São Paulo)” Ferulic acid and resveratrol protect hair from chemical and sun damage.
4 citations
,
December 2018 in “Macedonian Journal of Chemistry and Chemical Engineering” A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.
1 citations
,
October 2023 in “Skin Research and Technology” Hair sunscreens were less effective than expected, especially for dark hair.
9 citations
,
July 2022 in “Journal of Cosmetic Dermatology” The ammonia-free hair dye is safe and improves hair shine, color, moisture, porosity, and combability.
1 citations
,
November 2019 in “International Journal of Women's Dermatology” Ketoconazole shampoo can cause rare pink hair discoloration.
June 2024 in “International Journal for Research in Applied Science and Engineering Technology” Flaxseed hair gel is effective for hair growth and dandruff, is stable, and has minimal side effects.
February 2026 in “Materials” Hops can reduce skin irritation and are effective in cosmetics.
3 citations
,
October 1994 in “Journal of Dermatological Science” The new antibody, TYHF-1, specifically targets certain hair-related structures.
October 2012 in “Sax's Dangerous Properties of Industrial Materials” 11 citations
,
January 2006 in “Journal of the American Leather Chemists Association” Oxidizing agents break down keratin in wool and hair, causing swelling and increased solubility.
11 citations
,
September 1996 in “Journal of applied polymer science” Potassium cyanide treatment changes hair's disulfide bonds, making it more elastic.
118 citations
,
May 2015 in “European journal of pharmaceutics and biopharmaceutics” The hydrogel with a 1:3 ratio of hydroxyethyl cellulose to hyaluronic acid is effective for delivering drugs through the skin to treat acne.
5 citations
,
June 2024 in “Cureus” The methods tested are reliable for assessing dandruff reduction.
4 citations
,
March 2023 in “Molecules/Molecules online/Molecules annual” Gallic acid and ferulic acid can be sustainably extracted for hair supplements with high efficiency and stability.
4 citations
,
April 2014 in “Lasers in Surgery and Medicine” TRASER effectively targets blood vessels and hair follicles for potential use in vascular and hair removal treatments.
January 2018 in “대한미용학회지” White hair is denser and more hydrophobic than black hair.
11 citations
,
January 2000 in “Journal of cosmetic science” Hydrolyzed wheat proteins penetrate all hair types effectively.
79 citations
,
January 1975 in “Food and Cosmetics Toxicology” The hair dye formulations tested did not cause long-term toxicity or cancer in mice.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Natural hair dyes are safer but have limited shades and may fade with washing.
48 citations
,
May 2021 in “Molecules” Plant extracts from dry flowers can be used as safe, effective dyes in cosmetics, offering skin protection and anti-aging benefits.
8 citations
,
January 2016 Curcumin can safely replace Sunset Yellow as a food colorant.
3 citations
,
April 2023 in “Research Journal of Pharmacy and Technology” Calendula Officinalis extract can be used to create an effective natural hair dye.
September 2018 in “University of the Arts London Research Online (University of the Arts London)” L-arginine, hydrolysed keratin, and cystine-silanol copolymer can help protect hair from damage during and after bleaching.
5 citations
,
November 2003 in “PubMed” Chemical treatments and light exposure damage hair proteins.
December 2025 in “Journal of Pharma Insights and Research.” The shampoo naturally colors and conditions hair safely without toxic chemicals.