2 citations
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July 2018 in “Elsevier eBooks” Some supplements may help with hair loss, but there's not enough strong evidence to recommend them without doctor advice.
October 2018 in “Oncology Times” Hair is important for aging and cancer treatment, affecting emotions, culture, and health.
September 2024 in “Brazilian Journal of Hair Health” Nutrients can help improve hair growth and thickness caused by pollution.
79 citations
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January 2017 in “Dermatology practical & conceptual” Correcting nutrient deficiencies may help with hair loss, but the benefits of supplements without a deficiency are uncertain and could be harmful.
December 2025 in “Universal library of medical and health sciences.” Amino acids like arginine and cysteine protect hair during chemical treatments, keeping it strong and less brittle.
January 2008 in “대한미용학회지” UV exposure severely damages hair, making it rough and weak.
January 2014 in “International Journal of Trichology” Hair is culturally and economically valuable, and its weight is now used to measure the effectiveness of hair growth treatments.
33 citations
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January 2017 in “Psychoneuroendocrinology” Hair dyeing and washing frequency do not affect hair cortisol levels.
1 citations
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December 2022 in “Journal of applied biological chemistry” TRP-hair essence protects hair from heat damage, maintains color, and strengthens hair.
2 citations
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March 2005 in “International Journal of Cosmetic Science” Human hair structure varies by ethnicity, and certain treatments can improve hair condition and appearance.
13 citations
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September 2014 in “Journal of photochemistry and photobiology. B, Biology” UV radiation increases protein loss from hair and reduces hair protein quality.
3 citations
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January 1966 in “PubMed” 9 citations
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October 1991 in “Archives of Dermatological Research” Testosterone, DHT, and estradiol significantly affect hair cell growth.
13 citations
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September 2016 in “Cosmetics” Hair care cosmetics affect hair health; know products, ingredients, and procedures.
5 citations
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February 1977 in “Archives of Dermatology” Eating more protein during fast weight loss can prevent hair loss.
1 citations
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September 2016 in “Brain Behavior and Immunity” Hair cortisol levels can indicate stress and are affected by washing frequency, not cosmetic treatments.
115 citations
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August 2008 in “The Journal of Clinical Endocrinology & Metabolism” Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.
1 citations
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February 2003 UV radiation causes significant protein loss and color changes in hair, especially blond hair.
June 2025 in “Universal library of medical and health sciences.” External factors like pollution, stress, and poor nutrition can negatively affect hair growth.
3 citations
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January 2017 in “Journal of cosmetology & trichology” The nutritional supplement improved hair quality and reduced hair loss.
August 2025 in “Journal of the Korean Society of Cosmetology” Hair loss stress increases interest in appearance and buying scalp care products.
Hair Botox makes hair look healthier and fuller.
August 2023 in “Journal of Health and Beauty” K-30 treatment restores protein and weight in damaged hair, making it similar to healthy hair.
11 citations
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January 2004 in “Exogenous dermatology” Outside factors like grooming, chemicals, and the environment can damage hair and cause disorders.
21 citations
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July 1988 in “Clinics in dermatology” Good haircare and communication with doctors are key for managing hair loss.
January 2021 in “Journal of Allergy and Therapy” Electric Follicle Stimulation may promote hair growth and density with no known side effects.
July 2023 in “Drug testing and analysis (Print)” Homemade hair treatments can significantly lower drug levels in hair, possibly causing false-negative drug tests.
94 citations
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February 1994 in “The journal of investigative dermatology/Journal of investigative dermatology” EGF makes hair follicles grow longer but stops hair production.
December 2023 in “Asian journal of beauty & cosmetology”