May 2026 in “Journal of Photochemistry and Photobiology” Solar radiation and pollution damage hair, especially light-colored and bleached hair.
October 2024 in “UNESP Institutional Repository (São Paulo State University)” Straightening and dyeing damage hair structure.
November 2023 in “Borneo Journal of Pharmacy” Sappan wood hair tonic helps protect and repair damaged hair.
August 2018 in “Journal of The American Academy of Dermatology” Aging significantly affects the hair and scalp of nonbalding Caucasian women, with changes that differ from male pattern baldness.
January 2018 in “프로그램북(구 초록집)” Ceramide-based essence cream improves damaged hair.
September 2017 in “Journal of Investigative Dermatology” Hair care products used for 4 weeks made hair smoother.
April 2007 in “Linchuang pifuke zazhi” TGF-β1 and 2 may play a role in hair loss in AGA.
February 1999 in “The anatomical record” Two mouse mutants have defective hair cuticle cross-linking.
Hair germ cells differ from epidermal cells in keratin expression, and specific keratins form after hair differentiation.
April 2024 in “Advances in Redox Research” Human hair strength and health are linked to sulfur compounds that can be reduced by stress but improved with sulfur supplements.
30 citations
,
January 1994 in “Micron” Mature hair surfaces are formed by keratinized cells with developed layers, not just modified plasma membranes.
4 citations
,
April 2018 in “The journal of pediatrics/The Journal of pediatrics” A 6-year-old girl's inability to grow her hair long was due to Loose Anagen Hair Syndrome, which causes hair to shed easily and may improve with age.
May 2024 in “International Journal For Multidisciplinary Research” The herbal hair cream helps protect and improve hair health.
42 citations
,
December 2018 in “International Journal of Phytocosmetics and Natural Ingredients” Olive and Brazil nut oils improve hair strength, shine, and softness better than silicone.
3 citations
,
July 2023 in “Skin Research and Technology” Instrumental methods accurately and conveniently show hair care products repair hair.
March 2024 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Hair becomes less stiff as we age because of a decrease in zinc, which is linked to lower levels of the protein TG3.
March 2016 in “The Korean Society of Beauty and Art” MSG-based hair hardener improves hair thickness, strength, and wave retention after perms.
October 2015 in “Cosmetic Dermatology” Hair styling products and tools help improve hair's look and manageability but can damage hair if used incorrectly.
September 2011 in “Daehan miyong hakoeji” Henna orange powder, especially with alkali, protects and colors hair better than oxidizing colorants.
October 2021 in “Dermatology practical & conceptual” A Saudi girl was diagnosed with Loose Anagen Hair Syndrome, a rare condition causing easy hair loss without scarring.
42 citations
,
July 2015 in “Cosmetics” Nanotechnology improves hair care products by enhancing ingredient stability, targeting treatment, and reducing side effects, but more research on its toxicity is needed.
40 citations
,
March 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Growing hair follicles have high mitochondrial activity and ROS in specific regions, aiding hair formation.
28 citations
,
November 2018 in “Journal of structural biology” Different populations have distinct hair structures related to their ancestry.
24 citations
,
January 1969 in “Archives of Dermatological Research” Hair malformations may occur due to timing issues in hair development.
21 citations
,
April 1982 in “Genetics Research” Mice with the naked gene have missing or abnormal hair cells.
17 citations
,
June 2012 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Hair in mammals likely evolved from glandular structures, not scales.
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.
15 citations
,
February 1999 in “The anatomical record” Some mutant mice have hair with abnormal cross-linking, mainly in the cuticle, not affecting other hair parts.
10 citations
,
January 2012 in “Journal of biomedical optics” Melanin density affects hair color, and this method can help in cosmetic assessments and diagnosing hair diseases.
8 citations
,
November 2019 in “International Journal of Morphology” Henna dye improves hair cuticle and thickness but effects vary by hair type and health.