13 citations
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January 2017 in “Cosmetics” Different tests are used to see how hair care products affect hair, and choosing the right test is important for accurate results.
3 citations
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June 2019 in “Journal of cosmetic dermatology” Lower pH straighteners change hair more but weaken it.
January 2005 in “Seibutsu Butsuri/Seibutsu butsuri” Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.
2 citations
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May 2019 in “Small ruminant research” Mutations in specific llama genes may affect fiber quality for textiles.
Using enzymes to link proteins makes hair repair treatments more effective and long-lasting.
May 2024 in “International Journal For Multidisciplinary Research” The herbal hair cream helps protect and improve hair health.
27 citations
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May 2019 in “Cosmetics” The hair cuticle is made of tough proteins that protect the hair, but more research is needed to fully understand its structure.
5 citations
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May 2021 in “International Journal of Cosmetic Science” Healthy scalp leads to better hair quality and less damage.
75 citations
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November 1965 in “Textile research journal” Papain and bisulfite break down human hair by dissolving parts of it.
68 citations
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August 2014 in “PeerJ” Human hair proteins vary by individual, body site, and ethnicity, useful for forensics.
2 citations
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March 1977 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Defective mink guard hairs have split tips and missing cuticle cells, causing a metallic sheen.
1 citations
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September 2017 in “Journal of Investigative Dermatology” Hair care products reduced hair roughness, a combination of Stemoxydine and Resveratrol increased hair density, fermented mackerel oil promoted hair growth, and genes TERT and Bmi-1 helped create new hair follicles.
February 2026 in “American Scientific Research Journal for Engineering, Technology, and Sciences (Global Society of Scientific Research and Researchers)” Gray hair requires special coloring techniques and care to maintain quality and strength.
December 2025 in “The American Journal of Medical Sciences and Pharmaceutical Research” Ultrasonic and infrared treatments can improve hair strength and appearance with minimal damage.
September 2019 in “University of the Arts London Research Online (University of the Arts London)” Plant oils and polymers can help protect African hair from damage during styling.
20 citations
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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.
12 citations
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June 2011 in “Journal of applied polymer science” L-phenylalanine and hydrolyzed eggwhite protein deeply penetrate human hair.
10 citations
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January 2001 in “ACTA HISTOCHEMICA ET CYTOCHEMICA” Lysosomal proteases and cytoplasmic enzymes help hair follicle cells develop and differentiate.
36 citations
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August 2011 in “Journal of dermatological science” Human hair has a protective lipid layer that can be damaged by moisture and treatments, affecting hair growth and health.
7 citations
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December 2011 in “Annals of anatomy” Involucrin helps strengthen the inner parts of human hair.
13 citations
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January 2010 in “Advances in Biochemical Engineering / Biotechnology” Understanding hair biology is key to developing better treatments for hair and scalp issues.
45 citations
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December 2006 in “Biopolymers” Permanent waving weakens hair by altering its protein structure.
29 citations
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December 2011 in “British Journal of Dermatology” A new hair treatment with caffeine and other ingredients makes hair thicker and less likely to break.
22 citations
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September 1982 in “Journal of ultrastructure research” Wool follicle cells are more complex than previously thought.
18 citations
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August 2014 in “Lipids” Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
16 citations
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May 2017 in “Journal of cosmetic dermatology” An unhealthy scalp can damage new hair, but using ZPT shampoo can improve hair health.
14 citations
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October 2019 in “Journal of Cellular Physiology” Micrografts promote hair growth in androgenetic alopecia treatment.
14 citations
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March 1995 in “Journal of cell science” SV40 T antigen in hair follicles causes abnormal hair and health issues in mice.
12 citations
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January 2007 in “Current problems in dermatology” Environmental and cosmetic factors, including heat, chemicals, and sun exposure, can cause hair loss and damage.
10 citations
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January 2012 in “Journal of biomedical optics” Melanin density affects hair color, and this method can help in cosmetic assessments and diagnosing hair diseases.