403 citations
,
November 2005 in “Journal of Endocrinology” Dehydroepiandrosterone (DHEA) is a prohormone important for producing sex steroids and has potential health benefits.
127 citations
,
June 2008 in “British Journal of Clinical Pharmacology” Low doses of some substances can be beneficial, while high doses can be harmful or toxic.
13 citations
,
January 2017 in “Cosmetics” Different tests are used to see how hair care products affect hair, and choosing the right test is important for accurate results.
9 citations
,
February 2012 in “Social Semiotics” The document concludes that modern photo stories help represent and challenge how breast cancer affects women's identities and societal norms.
6 citations
,
January 2016 in “Environmental footprints and eco-design of products and processes” The industry should promote pure luxury hair fibers, improve technology, and diversify products to support growers and ensure sustainable use.
4 citations
,
October 2020 in “Animal Bioscience” Using cans with beans improves Rex rabbits' growth, meat quality, and hair follicle density.
The document concludes that dermatology training and grading scales need to better represent dark-skinned individuals to improve diagnosis and assessment of skin conditions.
1 citations
,
March 2005 in “International Journal of Cosmetic Science” Twisting hair weakens it, but strength can be recovered at low twist levels.
June 2021 in “Research Square (Research Square)” Dyed chitin nanofibers are strong, colorful, and water-resistant, enhancing resin strength and color.
March 2005 in “International Journal of Cosmetic Science” A new method helps understand hair shine and various products improve hair care.
March 2005 in “International Journal of Cosmetic Science” DVI provides detailed 3D imaging of hair and shows how various products protect and enhance hair.
5 citations
,
June 2020 in “Experimental dermatology” Redheaded people may have evolved to efficiently make vitamin D in areas with less sunlight.
November 2025 in “Frontiers in Veterinary Science” A 1.0% tyrosine diet increases melanin in chicken feathers.
December 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” Redheaded people have higher levels of a vitamin D precursor, suggesting red hair may be an adaptation for better vitamin D synthesis in areas with less sunlight.
Keratin hydrogels from human hair show promise for tissue engineering and regenerative medicine.
340 citations
,
September 2014 in “PLOS Genetics” The study found that in Latin America, ancestry varies by location, influences physical traits, and affects how people perceive their own heritage.
205 citations
,
July 2009 in “Journal of Dermatological Science” Male and female skin differ in many ways, which could lead to gender-specific skin treatments.
195 citations
,
January 2008 in “Photochemistry and Photobiology” Visible light can damage skin and most sunscreens don't block it well; more research is needed on its effects and protection methods.
119 citations
,
January 2014 in “Indian Journal of Dermatology, Venereology and Leprology” Platelet-rich plasma might help with hair growth and skin conditions, but more research is needed to prove its effectiveness and safety.
77 citations
,
August 2025 in “Signal Transduction and Targeted Therapy” Extracellular vesicles show promise for treating diseases but face challenges in development and regulation.
57 citations
,
November 1987 in “Pediatric Dermatology” Children's hair grows in different types from before birth through puberty, with growth rates and characteristics varying by age, sex, and race.
53 citations
,
January 2017 in “Skin appendage disorders” Botulinum toxin shows promise for various skin conditions but requires more research for confirmation and standardized use.
24 citations
,
July 2019 in “Cochrane library” Some treatments like methotrexate with prednisone might help juvenile morphea, but more research is needed to confirm.
18 citations
,
February 2023 in “PLoS ONE” A new triple drug system using nanoparticles effectively targets breast tumors in 3D models.
16 citations
,
December 2019 in “Animals” Overexpressing Tβ4 in goats' hair follicles increases cashmere production and hair follicle growth.
13 citations
,
June 2021 in “Carcinogenesis” Certain hair straighteners and dyes may increase ovarian cancer risk, especially in African American/Black women.
9 citations
,
November 2015 in “Gynecological Endocrinology” Different types of PCOS in Chinese Han women show varying levels of male hormone and metabolic issues.
8 citations
,
January 1996 in “Gynecological Endocrinology” Cyproterone acetate is the preferred treatment for women's hyperandrogenism when estrogen/progestogen use is safe.
5 citations
,
January 2018 in “Skin Pharmacology and Physiology” Curcuma aeruginosa extract lotion significantly reduces underarm hair growth.
3 citations
,
February 2022 in “Frontiers in cell and developmental biology” A specific RNA molecule, circCOL1A1, affects the growth and quality of goat hair by interacting with miR-149-5p and influencing cell growth pathways.