15 citations
,
February 2021 in “Frontiers in immunology” Leptin, a hormone from fat cells, affects immune responses and can influence skin diseases and hair growth.
5 citations
,
June 2018 in “Elsevier eBooks” Testosterone is important for male sexual traits, reproduction, muscle and bone health, blood production, and metabolism, and works both directly and after being changed into other hormones.
1 citations
,
March 2012 in “Journal of Dermatological Science” Testosterone, progesterone, and levonorgestrel change enzyme levels related to fat production in hamster skin, which could affect skin oil and acne.
71 citations
,
February 2006 in “Clinics in Dermatology” Pregnancy causes skin changes like darkening, hair thickening, nail changes, and increased risk of skin growths, most of which usually resolve after birth.
47 citations
,
May 2002 in “Journal of Cutaneous Medicine and Surgery” Pregnancy can cause normal skin changes that usually go away after childbirth and don't need treatment.
38 citations
,
June 2018 in “Archives of Toxicology” Different species and human skin models vary in their skin enzyme activities, with pig skin and some models closely matching human skin, useful for safety assessments and understanding the skin's protective roles.
September 2025 in “Clinical Cosmetic and Investigational Dermatology” Moderate exercise improves skin health, but intense exercise without protection can harm it.
32 citations
,
March 2021 in “Journal of endocrinological investigation” Thyroid hormones are important for skin health and changes in them can affect conditions like hair loss and eczema.
June 2024 in “Journal of Allergy and Clinical Immunology” TSLP affects atopic dermatitis by increasing sebum and reducing fat through IL-4/IL-13 signaling.
84 citations
,
February 2015 in “Experimental Dermatology” PPARγ is crucial for skin health but can have both beneficial and harmful effects.
49 citations
,
March 2019 in “Journal of Investigative Dermatology” Skin fat plays a key role in immune defense and healing beyond just storing energy.
27 citations
,
December 2016 in “Dermatology and Therapy” Certain skin conditions can indicate insulin resistance and should prompt lifestyle changes and medical treatment to manage underlying health issues.
15 citations
,
January 1995 in “Archives of Dermatological Research” Minoxidil boosts elastin production, potentially helping skin diseases.
7 citations
,
October 2024 in “Cells” Autophagy is essential for proper skin cell development and function.
6 citations
,
July 2025 in “Frontiers in Microbiology” Imbalanced skin bacteria worsen diabetic foot ulcers, but adjusting them might improve healing.
6 citations
,
May 2009 in “Cell transplantation” Green tea component EGCG helps keep rat skin grafts viable longer.
4 citations
,
January 2025 in “Frontiers in Pharmacology” Multiomics helps understand and improve skin healing and repair.
3 citations
,
January 2024 in “Allergy Asthma and Immunology Research” Understanding the skin's bacteria and chemicals may help manage scalp issues in atopic dermatitis.
June 2025 in “Academic Medical Journal” High homocysteine levels in lupus may increase inflammation and cardiovascular risk.
February 2026 in “Food Research International” Lactiplantibacillus plantarum ZJUIDS51 can help regrow hair and improve scalp health in androgenic alopecia.
1 citations
,
January 2009 in “Elsevier eBooks” The document concludes that a deeper understanding of skin aging and photodamage is needed to create better skin treatments.
50 citations
,
March 1992 in “PubMed” Malnutrition causes skin changes due to nutrient deficiencies.
5 citations
,
January 2018 in “JOURNAL OF CLINICAL AND DIAGNOSTIC RESEARCH” Flat feet in obese individuals may indicate metabolic syndrome.
Sheep can lose wool quickly due to stress, but it doesn't cause itching or pain.
211 citations
,
June 2012 The skin is a complex barrier for drug penetration, but understanding its structure and interactions can improve drug delivery methods.
82 citations
,
May 2009 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology” Caffeine penetrates human skin in lab tests similarly to real-life conditions, but actual skin use is still essential for accurate results.
31 citations
,
October 1971 in “Steroids” Human beard hair follicles change testosterone into other related hormones, but don't much change androstenedione into testosterone.
22 citations
,
April 1972 in “Journal of Steroid Biochemistry” Beard hair follicles convert testosterone to 5α-dihydrotestosterone most intensively.
10 citations
,
April 2020 in “Clinics in Dermatology” Biotin supplements improved skin and hair problems in a girl with biotinidase deficiency.
9 citations
,
February 2025 in “Journal of Nanobiotechnology” Biomimetic nanovesicles can speed up diabetic wound healing by regulating immune cell behavior and metabolism.