23 citations
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June 1976 in “PubMed” Crash dieting can cause temporary hair loss due to not getting enough energy for hair growth.
1 citations
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April 2024 in “Lasers in Surgery and Medicine” The model helps improve medical devices by showing how skin deforms under pressure.
January 2026 in “Research” New technologies show promise for safer, more effective hair loss treatments.
Exosome therapy is the most effective for hair growth, but it's experimental and expensive.
July 2023 in “Zenodo (CERN European Organization for Nuclear Research)” Pumpkin seeds may help treat hair loss by blocking a key enzyme.
61 citations
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April 2012 in “British Journal of Dermatology” Caucasian women's hair appears thickest in their 20s, with perceived thinning after mid-30s due to both decreasing density and diameter.
16 citations
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December 2016 in “Dermatologic Surgery” Higher scalp elasticity leads to wider scars after hair transplantation; a new method to measure elasticity may help predict scar size.
34 citations
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October 1982 in “Journal of applied polymer science” Moisture content significantly affects how human hair breaks.
1 citations
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November 2022 in “Pharmaceutical research” The simulation showed that hypobaric pressure improves drug delivery through the skin, but stretching alone doesn't fully explain the increase.
9 citations
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July 2014 in “Skin research and technology” Stretching damages Caucasian hair's structure more easily than Asian hair.
12 citations
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March 1958 in “American Journal of Clinical Nutrition” Shampooing can affect the loss of minerals like calcium and iron from hair.
35 citations
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April 1956 in “Journal of the American Medical Association” Selenium sulfide shampoo can cause hair loss, which stops when you stop using it.
15 citations
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October 2006 in “Journal of the American Academy of Dermatology” Liquid nitrogen spray caused a temporary, harmless swelling under the skin in an elderly woman.
7 citations
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January 2015 in “Journal of the European Academy of Dermatology and Venereology” Only about 20% of women have hair loss after childbirth severe enough to be considered clinically significant.
2 citations
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January 2011 Relaxers straighten African hair by breaking down its helical structure using strong bases.
Human hair can almost fully recover its structure within about 1,000 minutes after being stretched.
1 citations
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January 2022 in “Skin appendage disorders” Hair shedding after childbirth can reveal a pre-existing condition of hair loss due to tight hairstyles.
August 2007 in “Microscopy and Microanalysis” Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.
June 1997 in “The American Journal of Cosmetic Surgery” Understanding the science of skin stretching is crucial for safe and effective hair replacement techniques.
1 citations
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July 2017 in “Hair transplant forum international” Scalp laxity, elasticity, and glidability are important in hair transplants and can predict scar width at the donor site.
4 citations
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January 2017 in “Annals of Dermatology” Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.
1 citations
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January 2017 in “Yonsei Medical Journal” Hair is thinner near the scalp in acute hair shedding conditions.
September 2025 in “Crystal Growth & Design” Different solvents change minoxidil crystal shapes and improve flowability.
September 2025 in “The American Journal of Medical Sciences and Pharmaceutical Research” Thinning and micro-graduation techniques can effectively and reversibly correct women's hairlines.
November 2024 in “Biophysical Chemistry” Hair structure changes immediately during perm treatment, with initial damage partially restored later.
December 2013 in “미용예술경영연구” Scalp treatments increased hair density and reduced hair loss in Telogen Effluvium patients.
November 2017 in “Dermatologic Therapy” A new topical solution safely reduces hair shedding by 38% on average by tightening a muscle in the scalp.
Gray hair affects hair's movement and appearance, making it less bouncy and more wavy.
63 citations
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October 1972 in “British Journal of Dermatology” Women with thinning hair have thinner hair strands than women without hair loss.
7 citations
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October 2016 in “Dermatologic Therapy” About 40% of women without hair loss and 60% with hair loss experience a lot of hair shedding, especially those under 50 with long hair.