May 2024 in “International Journal of Cosmetic Science” Disulfide bonds are crucial for hair's strength, especially when wet.
October 2025 in “International Journal of Women’s Dermatology” Many women's hair growth products contain harmful ingredients, but eco-friendly options are available.
January 2012 in “Jounal of The Korean Society of cosmetology” Applying conditioner mid-treatment reduces hair damage during perms.
25 citations
,
January 2019 in “Journal of Pharmacy And Bioallied Sciences” The herbal shampoo is a chemical-free, nourishing product with excellent conditioning, cleansing, and antimicrobial effects.
12 citations
,
October 2018 in “Biotechnology reports” Recombinant keratin K31 makes damaged hair thicker, stronger, and straighter.
4 citations
,
July 2016 in “Journal of cosmetic dermatology” Dermatologists should use hair relaxers carefully to avoid hair and scalp damage, following specific guidelines for application and maintenance.
January 1991 in “Acta Dermato Venereologica” A new method effectively visualizes keratin in hair without harsh chemicals.
1 citations
,
March 2005 in “International Journal of Cosmetic Science” Twisting hair weakens it, but strength can be recovered at low twist levels.
1 citations
,
January 1998 in “Cosmetics and toiletries” Both amodimethicone and dimethicone copolyol amine are effective hair conditioners.
April 2020 in “International Journal of Cosmetic Science” The study found that minor protein differences between curved and straight Japanese hair are unlikely to significantly affect hair structure.
June 2017 in “University of the Arts London Research Online (University of the Arts London)” Polymers help reduce damage and improve bleached hair when used during or after bleaching.
1 citations
,
January 1988 Cosmetic treatments after chlorination damage hair more than treatments before.
November 2025 in “Advanced Healthcare Materials” Charge-conversion chemistry improves hair-rebonding by enhancing penetration and strength.
3 citations
,
January 2019 in “Skin Research and Technology” Frequent use of hair straighteners can cause hair loss similar to scarring alopecia in young Turkish women.
Perms can damage hair and scalp, so proper assessment and care are essential.
23 citations
,
January 2016 in “Forensic Science International” Thermal hair straightening changes drug levels in hair, affecting test results.
8 citations
,
January 2009 in “Transactions of the Materials Research Society of Japan” Water-soluble wool keratin can protect human hair from damage during treatments.
11 citations
,
May 2016 in “PubMed” New imaging and testing methods can effectively assess hair shape changes and damage.
April 2026 in “Microscopy Research and Technique” The high-cost product with coconut oil and glycerol effectively restores severely damaged hair.
1 citations
,
January 2015 in “Journal of Society of Cosmetic Chemists of Japan” Keratin film can effectively measure hair texture and adsorption properties.
2 citations
,
January 2015 in “Sen'i Gakkaishi” Washing permed hair after using thioglycolic acid helps reform strong bonds, making hair stronger.
3 citations
,
June 2007 in “Journal of Cosmetic Dermatology” Using the right hair care products can improve hair health and help manage hair disorders.
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.
June 2023 in “Journal of the American Academy of Dermatology” Chemical hair relaxers are not proven to cause uterine cancer.
Hair care products can cause skin irritation and allergies.
January 2011 in “Journal of Society of Cosmetic Chemists of Japan” 18-MEA and SPDA can restore damaged hair's smoothness and reduce frizz.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Herbal shampoo is a safe and effective alternative to synthetic hair products.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Herbal shampoo is a safe and effective alternative to synthetic hair products.
1 citations
,
March 2025 in “Journal of Society of Cosmetic Chemists of Japan” BECD helps straighten wavy hair by reducing undulation.
86 citations
,
January 1996 in “Clinics in dermatology” Hair can be damaged by daily routines, but protein-based products can protect and improve it.