6 citations
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September 2019 in “Journal of cosmetic dermatology” Lower melatonin levels are linked to more skin aging.
1 citations
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September 2016 in “Springer eBooks” Sebum production varies by individual and is influenced by age, gender, and hormones, affecting skin and hair health.
March 2023 in “Photodiagnosis and Photodynamic Therapy” Low vitamin D levels are linked to severe and active alopecia areata.
137 citations
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January 2000 in “Skin Pharmacology and Physiology” The document recommends using both clinical evaluation and various measurement methods to assess skin greasiness, considering factors like temperature and hormones.
March 2021 in “CRC Press eBooks” The document concludes that different patterns of hair thickness and scalp changes can help diagnose types of non-scarring hair loss.