29 citations
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April 1997 in “Developmental Dynamics” Trypsin slows hair growth and affects color by causing cell death in hair follicles.
85 citations
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July 2002 in “Pigment Cell Research” The article concludes that while we understand a lot about how melanocytes age and how this can prevent cancer, there are still unanswered questions about certain pathways and genes involved.
April 2021 in “Journal of Investigative Dermatology” Photobiomodulation therapy may help treat hair loss in people with darker skin, but more research is needed.
12 citations
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December 2011
19 citations
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July 2009 in “Clinical and Experimental Dermatology” The study found that long-term sun exposure does not significantly affect follicular plugs on the scalp, and the scalp's appearance is unique compared to other body parts.
10 citations
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January 2004 in “PubMed” Radiation increases cell death in hair follicles, but certain treatments can protect against this effect.
11 citations
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February 2002 in “International Journal of Cosmetic Science” Recent findings show that hair growth and color are controlled by a complex network of signals in the hair follicle.
20 citations
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April 1959 in “A M A Archives of Dermatology” Alopecia mucinosa causes red, raised skin patches and hair loss.
18 citations
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December 1992 in “Journal of Cutaneous Pathology” Skin tumors and normal skin structures have different lectin-binding patterns.
14 citations
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January 2018 in “Skin Appendage Disorders” Upper eyelid hyperpigmentation can help diagnose facial lichen planus pigmentosus in patients with frontal fibrosing alopecia.
40 citations
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February 1990 in “Journal of The American Academy of Dermatology” A 17-year-old developed woolly hair nevus in adolescence, which is unusual, and over time the hair darkened and straightened slightly, but microscopic changes persisted.
20 citations
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January 2015 in “Current problems in dermatology” Hair gets thinner, grayer, and changes texture with age due to genetics, environment, and cellular changes, affecting the growth cycle.
11 citations
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January 1992 in “PubMed” TGF-beta 1 and IGF-II mRNA have specific patterns in pig subcutaneous tissue, affecting fat and muscle development.
5 citations
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October 2003 in “Archives of Dermatology” The elderly woman experienced hair loss and scalp itching, especially at the front hairline, and lost her eyebrows.
7 citations
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April 2018 in “Facial Plastic Surgery” The endoscopic brow lift is a safe and effective way to rejuvenate the face with a low complication rate.
35 citations
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January 2009 in “Indian Journal of Dermatology, Venereology and Leprology” Older adults commonly experience wrinkles, itchy skin, psoriasis, fungal infections, skin growths, grey hair, hair loss, and nail ridging, but no skin cancer was found in this group.
27 citations
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May 2016 in “British journal of dermatology/British journal of dermatology, Supplement” January 2015 in “Annals of dermatology/Annals of Dermatology” Using travoprost for glaucoma may cause extra hair growth and darker skin around the eyes, but these effects can reverse after stopping the drug.
5 citations
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January 1998 in “Journal of Toxicologic Pathology” Maneb causes delayed hair follicle damage in rats.
11 citations
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April 1991 in “Journal of Veterinary Diagnostic Investigation” Shorthorn calves in Missouri experienced photosensitization, causing skin issues and liver damage, but they eventually recovered.
37 citations
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February 2005 in “Journal of Investigative Dermatology” Overexpression of SSAT causes hair loss and skin issues, but reducing putrescine can help.
January 2026 in “BioScience Trends” UV radiation causes skin aging by damaging cells and triggering harmful processes.
24 citations
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March 2018 in “Pigment Cell & Melanoma Research” The environment around melanocyte stem cells is key for hair regeneration and color, with certain injuries affecting hair color and potential treatments for pigmentation disorders.
2 citations
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November 2004 in “Blood” RXRa is crucial for Th2 immune cell development and may link nutrition to immune health.
41 citations
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December 2018 in “Experimental Dermatology” Understanding how melanocyte stem cells work could lead to new treatments for hair graying and skin pigmentation disorders.
September 2008 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Loss of Desmocollin 3 in mice causes skin blisters and hair loss.
8 citations
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July 2024 in “PLoS ONE” Botryococcus braunii's three chemical races should be reclassified as separate species.
3 citations
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January 1966 in “PubMed” February 1945 in “New England Journal of Medicine” February 2026 in “Tạp chí Sức khỏe và Lão hóa” Hormones play a key role in skin aging, with estrogen and testosterone declines affecting skin health.