3 citations
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July 2017 in “Endogenous locus-driven H-Ras G12V expression induces senescence-like phenotype in primary fibroblasts of the Costello syndrome mouse model” Mouse hair follicle stem cells have a flexible chromatin state that supports skin health and hair growth.
173 citations
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July 1995 in “Biochemical and biophysical research communications” Male hormones promote hair cell growth by using a growth factor from nearby skin cells.
1 citations
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January 2015 in “Journal of Pigmentary Disorders” Treating melasma in men is difficult, especially for the deeper skin layers, and may need more than just topical treatments.
10 citations
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January 1985 in “PubMed” Trace elements like calcium, iron, and zinc are unevenly distributed in hair, while sulfur is even, and increased phosphorus and potassium levels are linked to skin reactions.
November 2025 in “SKIN The Journal of Cutaneous Medicine” Granuloma faciale can occur on the scalp, especially in people with advanced hair loss, and may improve with treatment.
48 citations
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January 2012 in “The journal of investigative dermatology/Journal of investigative dermatology” Chemokine signaling is important for hair development.
21 citations
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May 2014 in “Toxicological Sciences” Toluene diisocyanate exposure can cause immune sensitization by interacting with proteins in hair follicles and sebaceous glands.
146 citations
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February 2012 in “Journal of Clinical Investigation” Blocking Hedgehog signaling offers new treatment options for advanced basal cell carcinoma.
14 citations
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January 2004 in “Journal of Biochemical and Molecular Toxicology” Mustard gas exposure causes hair loss, but treating with N-acetylcysteine can prevent it.
14 citations
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November 2005 in “Life sciences” Vitamin D3 may protect rat hair follicles from radiation damage.
69 citations
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April 2005 in “Forensic Science International” Degraded hair shafts resist contamination and can be easily cleaned.
12 citations
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November 2004 in “Photochemistry and Photobiology” Superoxide dismutase (SOD) can prevent hair graying in mice.
12 citations
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January 1998 in “Clinical Infectious Diseases” A kidney transplant patient developed leprosy, likely due to immunosuppression and genetic factors, and improved with treatment.
1 citations
,
April 2016 in “The American Journal of the Medical Sciences” The document concludes that doctors should check for frontal fibrosing alopecia in patients with acquired hyperpigmentation and that early treatment is important.
April 2018 in “Journal of Investigative Dermatology” Lymphocytes, a type of immune cell, are crucial for wound healing as they help remodel damaged areas and reduce inflammation.
2 citations
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May 2011 in “British Journal of Dermatology” Pellagra, caused by niacin deficiency and presenting with photosensitivity, should be considered in patients with relevant symptoms and risk factors.
134 citations
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September 2008 in “Lasers in surgery and medicine” Low fluence photoepilation temporarily removes hair by targeting the hair follicle's pigmented area without severe damage.
93 citations
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February 2008 in “Atmospheric environment” Ozone reacts more with unwashed hair, producing compounds due to scalp oils, which could lower ozone exposure but increase exposure to reaction products.
4 citations
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August 2021 in “Frontiers in Cell and Developmental Biology” Stress can cause hair loss by affecting nerve-related hair growth, and noradrenaline might help prevent this.
September 2019 in “Journal of Investigative Dermatology” Botanical extracts from peas and chia seeds improved scalp health and protected hair from pollution.
23 citations
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January 2001 in “International journal of toxicology” St. John's Wort extract and oil safety in cosmetics is unclear; more data needed on photosensitization, toxicity, and human irritation.
Treating vitiligo with stem cells and melanocytes from hair, along with UVB light, works better than without the light.
November 2024 in “SKIN The Journal of Cutaneous Medicine” Baricitinib is widely used for several conditions, especially COVID-19, but its safety and effectiveness are still being evaluated.
1 citations
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February 2015 in “Clinical and Experimental Dermatology” A man got six skin cancers within a year after a cell transplant for leukemia but was cancer-free 32 months later; skin checks are important post-transplant.
April 2016 in “Journal of The American Academy of Dermatology” Finasteride and SSRIs together increase impotence and low libido risk in men.
1 citations
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April 2016 in “CRC Press eBooks” Skin aging reflects overall body aging and can indicate internal health conditions.
Bovines can have rare inherited skin diseases with specific symptoms like hair loss, fragile skin, and abnormal porphyrin buildup.
9 citations
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July 2018 in “Current Pharmaceutical Design” HO-1 helps skin health and healing but can worsen melanoma; it's a potential treatment target for skin diseases.
April 2021 in “Journal of Investigative Dermatology” Photobiomodulation therapy may help treat hair loss in people with darker skin, but more research is needed.
January 2021 in “Journal of clinical and cosmetic dermatology” Human skin responds to light with protective mechanisms, but more research is needed to understand these processes and their implications for health and therapy.