March 2012 in “Hair transplant forum international” Environmental factors and chemicals might affect hormone balance and contribute to common hair loss.
7 citations
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January 2001 in “Comprehensive series in photosciences” UV radiation significantly damages hair, especially with humidity, making it more vulnerable to further damage.
May 2026 in “International Journal of Cosmetic Science” UV radiation damages hair similar to bleaching, but double bleaching causes more severe protein degradation.
July 2024 in “Journal of Investigative Dermatology” The new skin organoid system effectively mimics human skin for studying its functions, injuries, and diseases.
6 citations
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October 1993 in “The journal of the Royal Society of Health” Children's hair loss has many causes and requires careful diagnosis and personalized treatment, including emotional support.
December 2020 in “مجله كليه طب الكندي” Alopecia, or hair loss, can be caused by genetics, illness, or certain drugs, and can be treated with synthetic or natural medications.
March 2009 in “Medical & surgical dermatology” Women with androgenetic alopecia have fewer terminal hairs, phenol in nail surgery is safe, and a new hair transplant method is faster and less damaging.
11 citations
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November 2021 in “JBMR plus” The vitamin D receptor can act without its usual activating molecule, affecting hair growth and skin cancer, but its full range of actions is not well understood.
10 citations
,
February 2019 in “Toxicological Sciences” Finasteride exposure affects gene expression and anogenital distance in male rat fetuses.
Fetal environments contain various chemicals that may disrupt hormones.
1 citations
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January 2010 in “Biophysical journal” Hair fluorescence intensity can measure radiation exposure effectively.
1 citations
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March 2004 in “Patty's Toxicology” These chemicals can be toxic, causing health issues like cancer, liver damage, and irritation.
1 citations
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March 2004 in “Patty's Toxicology” These chemicals can be toxic and cause health issues like irritation, liver damage, and cancer.
September 2010 in “International Journal of Cosmetic Science” Chemical treatments change hair surface properties, making it more hydrophilic and able to bind conditioners.
19 citations
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March 2011 in “Cutaneous and Ocular Toxicology” Some chemicals absorbed through the skin can cause serious health problems.
Hair samples showed changes in chemical elements over time and location in Venezuela.
34 citations
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April 2014 in “Psychopharmacology” Stress and alcohol affect brain chemicals differently in rats, mice, and humans, influenced by genetic differences.
5 citations
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March 2012 in “Microscopy Research and Technique” UVB radiation changes the chemical makeup and dries out human hair but doesn't alter its appearance or texture.
March 2026 in “Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials” Bleaching and UV exposure significantly damage hair.
2 citations
,
November 1973 in “PubMed” Sulfur-35 can be used to track hair growth and past exposure.
August 2022 in “Metabolites” Different types of skin on mice have unique chemical profiles related to how they grow and react to stress.
October 2001 in “WORLD SCIENTIFIC eBooks” Many substances, including chemicals and metals, can cause skin reactions; careful handling and identification of allergens are crucial to prevent dermatitis.
Apple cider vinegar rinses for synthetic hair extensions lack scientific proof of reducing harmful chemicals.
February 2025 in “International Journal of Cosmetic Science” Protein carbonylation is a sensitive marker for oxidative damage in hair, especially from light exposure.
18 citations
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March 2009 in “Skin pharmacology and physiology” Sunlight damages hair, causing cuticle loss, protein changes, and discoloration.
Thermal straightening can damage ethnic hair and may pose health risks.
To repair damaged hair, use products with proteins, lipids, and moisture like keratin, citric acid, and oils.
17 citations
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February 2011 in “International Journal of Cosmetic Science” Grey hair is wilder, drier, and less manageable than pigmented hair.
37 citations
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January 2009 in “Sexual Development” Fadrozole and Finasteride change frog sex ratios and cause intersex animals with altered gene expressions.
24 citations
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January 2006 in “Dermatologic clinics” Hair sunscreens are important for maintaining hair's cosmetic value.