24 citations
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April 2017 in “Journal of Investigative Dermatology” Age, smoking, and lower BMI increase facial wrinkles; men wrinkle more than women, except in old age; pale skin and certain hormonal factors can protect against wrinkles.
February 2025 in “Journal of Tissue Viability” Dark skin is more prone to severe pressure ulcers due to reduced ceramide content and detection challenges.
30 citations
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April 2017 in “Journal of structural biology” Human hair keratin fibers have a detailed nano-scale structure that changes with different conditions.
1 citations
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July 2025 in “Journal of Cosmetic Dermatology” Lip aging differs from facial aging, needing specific care for barrier, wrinkles, and pigment changes.
Changes in skin bacteria can affect hair loss and new treatments targeting these bacteria may prevent balding without sexual side effects.