11 citations,
April 2020 in “Animals” Moving horses to new places can increase their stress levels, as shown by higher stress hormone in their hair.
4 citations,
April 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The skin has about 230,000 touch-sensitive nerve fibers, with high concentrations in the hands and face.
September 1998 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” The document concludes that individualized treatments for hair issues are effective, certain hair changes can indicate neurocutaneous diseases, specific lotions improve skin health, laser hair removal works but needs more study on long-term effects, men's cosmetics are diverse, peeling is effective but can have side effects, and facial pigmentation is often due to overactive skin cells.
[object Object] 222 citations,
January 2005 in “Endocrine journal” Melatonin is important for skin health and protection, and can be made by the skin or applied to it.
86 citations,
June 2017 in “Anais Brasileiros de Dermatologia” Antioxidants can benefit skin health but should be used carefully to avoid negative effects.
84 citations,
July 2003 in “European journal of biochemistry” Mouse skin can produce and process serotonin, with variations depending on hair cycle, body location, and mouse strain.
73 citations,
September 2003 in “Journal of Pharmacology and Experimental Therapeutics” Hair color loss can indicate the effectiveness of a drug targeting the KIT protein in mice and humans.
69 citations,
June 2017 in “Experimental Biology and Medicine” Advanced human skin models improve drug development and could replace animal testing.
53 citations,
May 1986 in “Clinics in endocrinology and metabolism” Androgens like testosterone affect hair growth and oil production differently across body parts and individuals.
27 citations,
August 2006 in “Laboratory Investigation” SCF and ET-1 together significantly increase skin pigmentation and melanin production.
18 citations,
January 2020 in “Ecology and evolution” Genes related to pigmentation, body rhythms, and behavior change during hares' seasonal coat color transition, with a common genetic mechanism in two hare species.
17 citations,
January 2013 in “Journal of Cosmetics, Dermatological Sciences and Applications” 3D bioprinting could improve skin repair and treat conditions like vitiligo and alopecia by precisely placing cells.
16 citations,
January 2006 in “The Aging Male” Hormone imbalances can cause skin diseases, and understanding these links is important for diagnosis and treatment.
13 citations,
July 2012 in “Pigment Cell & Melanoma Research” A mutation in the Adam10 gene causes freckle-like spots on Hairless mice.
11 citations,
March 2008 in “Experimental Dermatology” A substance called compound-1 could help increase hair growth by maintaining prostaglandin levels in hair follicles.
6 citations,
August 2019 in “PLOS ONE” Gambogic Amide helps maintain hair color and promotes hair growth.
6 citations,
January 2009 in “Elsevier eBooks” The skin has multiple layers and cells, serves as a protective barrier, helps regulate temperature, enables sensation, affects appearance, and is involved in vitamin D synthesis.
6 citations,
January 2007 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Gray hair regained color after thyroid hormone treatment.
1 citations,
November 2022 in “Frontiers in medicine” The study found that giant pandas have more melanin in black hair follicles than white, with gene expression differences that could affect hair color and skin health.
1 citations,
July 2012 in “Nasza Dermatologia Online” IL-1α levels are higher in alopecia areata patients, suggesting a role in the disease.
May 2021 in “International journal of developmental research” Estrogens and progesterone are key in regulating melasma pigmentation.
September 2014 in “Springer eBooks” Aging causes hair to gray and thin, with the timing of graying varying by race, and factors like oxidative stress and genetics can lead to hair loss.
23 citations,
March 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” ATP increases melanin production in skin after UV exposure, with the P2X7 receptor being crucial for this process.
12 citations,
September 2018 in “International Journal of Cosmetic Science” Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.
58 citations,
February 2016 in “Scientific reports” Blocking BACE1 and BACE2 enzymes causes hair color loss in mice.
January 1990 in “Springer eBooks” Some chemicals can permanently or temporarily remove color from skin and hair, which can be distressing and is not well-regulated in cosmetics.
2 citations,
September 2022 in “Bioscientia medicina” Topical vitamin D is effective in treating vitiligo with few side effects.
[object Object] 61 citations,
April 2014 in “Radiation Research” RTA 408 cream protects mice from radiation skin damage.
26 citations,
October 2007 in “Experimental Dermatology” L-Carnitine-L-tartrate may help hair grow and prevent hair loss.
23 citations,
October 2006 in “Journal of Dermatological Science” Ethosomal minoxidil improves hair growth by penetrating deeper into skin and shortening hair cycle.