September 2023 in “Gynäkologische Endokrinologie” Menopause causes skin and hair to become drier and thinner, but hormone therapy can improve these conditions.
Linoleic acid is essential for healthy skin, and while deficiency is rare in Western societies, it can cause dry, scaly skin and hair loss.
November 2019 in “Harper's Textbook of Pediatric Dermatology” Netherton syndrome is a genetic skin disorder causing severe skin issues and requires careful treatment to protect the skin barrier.
17 citations
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May 2021 in “Journal of Assisted Reproduction and Genetics” COVID-19 may harm male fertility and damage the reproductive system.
1 citations
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April 2024 in “Journal of Drug Delivery Science and Technology” Microneedles combined with conventional therapies show promise in treating alopecia areata.
16 citations
,
February 2015 in “Photochemistry and Photobiology” Hair acts as a significant natural sun barrier, with protection increasing based on hair density, thickness, and melanin presence.
156 citations
,
August 2016 in “Journal of controlled release” Tight junctions are key for skin protection and controlling what gets absorbed or passes through the skin.
1 citations
,
November 2023 in “Polymer International” The keratin-graphene oxide composite is stronger, more heat resistant, and better at blocking gases than pure keratin, offering an eco-friendly use for waste hair.
1 citations
,
June 2022 in “Gene reports” The analysis found genes linked to skin and hair development are more active in Pashmina goats, which may explain their long-fiber production.
January 2026 in “Veterinary Sciences” Skin maturation in Dezhou donkey foals involves better barrier function, hair growth, and less collagen production.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Esrp1 is important for skin health by helping form and maintain the skin barrier.
32 citations
,
January 2017 in “PLoS ONE” Adiponectin boosts lipid production in skin cells, potentially helping treat skin conditions with low sebum.
8 citations
,
July 2024 in “Cells” PGC-1α may improve aging skin by boosting mitochondrial function and reducing inflammation.
2 citations
,
August 2023 in “Molecules” SH-340 may improve skin barrier and help treat atopic dermatitis.
140 citations
,
April 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzyme 25 Hydroxyvitamin D 1 α-Hydroxylase is essential for healthy skin and recovery after skin damage.
46 citations
,
May 2003 in “Mechanisms of Development” Increasing calcium sensing receptor speeds up skin and hair development in mice.
September 2014 in “Springer eBooks” Men and women experience skin aging differently due to changes in sex hormone levels with age.
2 citations
,
July 2025 in “Biopolymers” Eggshells can be used to sustainably and cheaply produce important compounds like glycosaminoglycans.
23 citations
,
October 2021 in “FEBS Journal” Sonic Hedgehog helps keep skin and airway barriers healthy and reduces inflammation.
February 2026 in “International Journal of Molecular Sciences” Brazilian pepper tree leaf extract effectively protects skin cells from UVC damage and is a strong natural skincare option.
Bee pollen, green tea, essential oils, and various plant extracts improve skin and hair health.
36 citations
,
January 2014 in “Elsevier eBooks” The skin is a complex barrier that protects the body, regulates temperature, and helps with immune responses.
35 citations
,
January 2011 in “Journal of Biological Chemistry” sPLA2-X is crucial for normal hair growth and follicle health.
January 2023 in “Discovery immunology” T cells and bacteria in the gut and skin help maintain health and protect against disease.
March 2026 in “Molecules” Camellia sinensis seed flavonoids can reduce skin inflammation and damage from UV rays.
122 citations
,
December 2022 in “International Journal of Molecular Sciences” Nanoparticles improve skin treatment but need more research on safety and effectiveness.
1 citations
,
January 2024 in “Journal of Cosmetic Dermatology” Jawoongo soap improves skin moisture, elasticity, and cleanliness safely.
February 2026 in “Phycology” Microalgae can sustainably improve nutrition and cosmetics with their diverse beneficial compounds.
Polyglutamic acid is a valuable, sustainable ingredient for skincare and haircare products.
118 citations
,
January 2004 in “European Journal of Cell Biology” Balanced protease activity is crucial for healthy skin and hair development.