13 citations,
March 2010 in “International Journal of Cosmetic Science” Hair coloring increases copper and calcium uptake, damaging hair and reducing shine.
7 citations,
January 2001 in “Comprehensive series in photosciences” UV radiation significantly damages hair, especially with humidity, making it more vulnerable to further damage.
6 citations,
September 2018 in “ACS applied bio materials” Calcium fatty acid deposits found in human hair can change its appearance and feel.
6 citations,
March 2003 in “PubMed” Small amounts of DNA can be found in the hair shaft, especially near the root, but it decreases with hair treatments and washing.
3 citations,
March 2019 in “Tekstil Ve Konfeksiyon” Anatolian native goat down-hair is similar to cashmere and can be used for high-quality textiles.
3 citations,
January 2002 in “Springer eBooks” Alkaline hair relaxers damage hair, but cationic and non-ionic polymers can help reduce this damage.
2 citations,
June 2018 in “Cosmetics” AMPD is a better and less damaging alternative to ammonium hydroxide for hair bleaching.
2 citations,
August 2012 in “Journal of the American Academy of Dermatology” Two patients with the same genetic mutation had both blistering skin and easily pulled out hair.
1 citations,
August 2022 in “Chemical engineering journal advances” Scientists made human hair magnetic by coating it with special nanoparticles.
1 citations,
April 2021 in “Han'gug miyong haghoeji/Journal of the Korean society of cosmetology” Aspartic acid at 0.75% makes perms more effective and less damaging to hair.
1 citations,
July 2019 in “Case reports in dermatology” A Thai boy was diagnosed with a rare hair disorder causing hair thinning and shedding.
March 2023 in “Asian journal of beauty & cosmetology” Keratin pretreatment improves the quality of damaged hair during perming.
Coconut oil helps protect and improve 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.
January 2009 in “Journal of Zhengzhou University” LAIC cream can improve acne by making skin thinner and softer.
CDPDFM can improve acne symptoms in rabbit ears.
Different treatments change the strength and flexibility of human hair.
August 2005 in “Microscopy and Microanalysis” Polymethylene wax in hair relaxers makes hair smooth and shiny with less damage.
30 citations,
November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” The lipid in human hair follicles acts as a barrier, similar to the skin's lipid layer.
11 citations,
January 2016 in “Biointerphases” The hair's outermost surface has multiple layers of lipids and proteins.
8 citations,
January 2016 in “Skin research and technology” The 12-point scale is better for evaluating small changes in hair condition after using hair care products.
5 citations,
May 2021 in “International Journal of Cosmetic Science” Healthy scalp leads to better hair quality and less damage.
5 citations,
July 2010 in “Journal of life sciences” Gray hair has more continuous medullation and a higher medullary diameter than black hair.
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.
August 2021 in “Han'gug miyong haghoeji/Journal of the Korean society of cosmetology” Using natural polyphenol cross-linkers like tannic acid and green tea extract in perm treatments improves curling and protects hair.
Loose anagen syndrome causes easy hair shedding in children, often resolving on its own.
September 2017 in “Journal of Investigative Dermatology” Hair care products used for 4 weeks made hair smoother.
The document concludes that Loose Anagen Hair Syndrome is a benign condition where hair is thin and easily pulled out, often improving with age.
425 citations,
August 2002 in “BioEssays” The cornified cell envelope forms a protective barrier in skin and hair, using specific proteins and lipids to maintain effectiveness.