October 2021 in “Research Square (Research Square)” Hair follicle stem cells in hairpoor mice are disrupted, causing hair loss.
26 citations
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April 1998 in “Journal of Investigative Dermatology” Sunscreens with higher SPF and UVA filters offer the best protection against skin aging from UVA rays.
October 2025 in “International Journal of Cosmetic Science” Conditioners improve hair manageability but don't repair damage.
52 citations
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February 2009 in “Journal of the American Academy of Dermatology” A 93-year-old woman developed a rare scalp condition after therapy, which improved with steroids, not antibiotics.
75 citations
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November 1965 in “Textile research journal” Papain and bisulfite break down human hair by dissolving parts of it.
38 citations
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October 1988 in “Clinics in Dermatology” Hormones, nutrition, and seasonal changes regulate hair growth cycles, with androgens extending growth phases and factors like aging and malnutrition affecting hair loss and thinning.
8 citations
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November 2019 in “Journal of Natural Fibers” Adding human hair to clayey soil makes it stronger, even after freeze-thaw cycles, and is eco-friendly and cheap.
January 2000 in “Elsevier eBooks” Menopause can cause skin to become dry, less elastic, and more wrinkled due to lower estrogen levels.
3 citations
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June 2017 in “Methods” Researchers created a model to understand heart aging, highlighting the role of microRNAs and identifying key genes and pathways involved.
42 citations
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February 2016 in “Science” The document concludes that both internal stem cell factors and external influences like the environment and hormones affect hair loss and aging, with potential treatments focusing on these areas.