20 citations,
January 2015 in “Journal of cosmetic dermatology” Older people's hair cuticles get more easily damaged and lose protective oils, especially in their 40s and 50s.
May 2024 in “Indian journal of pharmacy and pharmacology” Luliconazole is more effective than ketoconazole at repairing damaged hair cuticles.
January 2024 in “Uttar Pradesh journal of zoology” Chemical treatments severely damage hair cuticles, especially in previously treated hair.
40 citations,
February 2002 in “International Journal of Dermatology” Permanent hair dye damages hair but it mostly recovers after 8 weeks; using certain hair care products can help repair it.
13 citations,
March 2019 in “Journal of cosmetic dermatology” Heat damages hair, with Asian hair losing more protein than Caucasian hair.
January 2017 in “Clinical approaches and procedures in cosmetic dermatology” Cosmetic procedures can harm hair, but damage can be minimized with knowledge and care; however, once hair is damaged, it cannot be reliably repaired.
Coconut oil helps protect and improve damaged hair.
January 2020 in “Indian dermatology online journal” Hair styling products can damage hair over time.
25 citations,
February 2007 in “Forensic science international” Different hair cleaning methods caused varying levels of damage to the hair's outer layer.
1 citations,
December 2022 in “Journal of applied biological chemistry” TRP-hair essence protects hair from heat damage, maintains color, and strengthens hair.
November 2017 in “Koubunshi rombunshuu/Kōbunshi ronbunshū” Hematin in shampoo helps repair and straighten damaged hair.
8 citations,
November 2019 in “International Journal of Morphology” Henna dye improves hair cuticle and thickness but effects vary by hair type and health.
3 citations,
July 2023 in “Acta Biomaterialia” PepACS offers a safer, eco-friendly way to perm, dye, and repair hair.
18 citations,
November 2010 in “Journal of morphology” Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.
17 citations,
June 2011 in “The journal of investigative dermatology/Journal of investigative dermatology” The G60S Connexin43 mutation causes hair growth issues and poor hair quality in mice, similar to human ODDD patients.
1 citations,
January 2017 in “Clinical approaches and procedures in cosmetic dermatology” Hair can't be reliably repaired once damaged; prevention and proper product use are key to maintaining hair health.
1 citations,
January 2013 in “Chronicles of young scientists” Immuno-cosmeceuticals from chicken egg yolk can effectively repair and improve damaged hair.
11 citations,
January 2004 in “Exogenous dermatology” Outside factors like grooming, chemicals, and the environment can damage hair and cause disorders.
19 citations,
July 2018 in “ACS biomaterials science & engineering” Bleaching and combing damage hair's surface and mechanical properties.
12 citations,
October 2018 in “Biotechnology reports” Recombinant keratin K31 makes damaged hair thicker, stronger, and straighter.
10 citations,
June 2019 in “Cosmetics” Mixed-race individuals have hair with varied shapes and more root damage.
2 citations,
January 2022 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Chemical hair straighteners can cause scalp and hair damage, but long-term effects are unclear.
42 citations,
April 2008 in “Acta materialia” Different ethnicities and treatments affect human hair strength and structure.
Hair fibers degrade and change color in very basic water.
3 citations,
February 2023 in “ACS omega” Grape seed oil improved hair quality the most, followed by rosehip and safflower seed oils, and reduced damage from shampoo.
1 citations,
December 2022 in “Middle East Journal of Science” Permanent hair dyes use chemicals that react with hydrogen peroxide to create color.
39 citations,
April 2020 in “Clinical, Cosmetic and Investigational Dermatology” Asian hair is generally straight and thick, with unique disorders and properties, and more research is needed to understand it fully.
15 citations,
October 2004 in “Colloids and surfaces. B, Biointerfaces” Holes in mature hair are likely caused by the removal of substances during hair care.
5 citations,
February 2022 in “Acta Biomaterialia” Nanomaterials can improve hair care products and treatments, including hair loss and alopecia, by enhancing stability and safety, and allowing controlled release of compounds, but their safety in cosmetics needs more understanding.
28 citations,
December 2011 in “Biocatalysis and biotransformation” PDI helps restore over-bleached hair's strength and structure by attaching special peptides.