153 citations
,
October 2012 in “Skin Pharmacology and Physiology” Caffeine in cosmetics may reduce cellulite, protect skin, and stimulate hair growth, but more research is needed on its use and effects.
132 citations
,
January 2017 in “International Journal of Molecular Sciences” Fat-derived stem cells show promise for skin repair and reducing aging signs but need more research for consistent results.
120 citations
,
July 2005 in “Dermatologic surgery” Niacinamide improves aging skin and is safe for use in cosmetics.
118 citations
,
September 2004 in “Clinics in Dermatology” Hormones, especially androgens, play a big role in acne, but most acne sufferers don't have a hormone disorder. Hormonal treatments, including birth control pills, can be very effective for women whose acne doesn't improve with regular treatments.
103 citations
,
March 2011 in “PLoS Biology” Birds can lose neck feathers due to a genetic change that increases a gene's activity, helping them adapt to heat.
92 citations
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December 2016 in “Scientific Reports” Researchers identified genes linked to coat color, body size, cashmere production, and high altitude adaptation in goats.
92 citations
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June 2005 in “Journal of Investigative Dermatology” All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.
65 citations
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February 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Anti-acne medications may work by reducing the activity of a protein involved in acne development.
58 citations
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January 2013 in “The Journal of Clinical Endocrinology and Metabolism” Obese women with PCOS show a male-like pattern in certain fat tissue gene expressions.
45 citations
,
September 1998 in “Journal of Investigative Dermatology” The enzyme 17β-HSD type 2 mainly performs oxidation in human sebaceous glands, which may help protect against acne.
44 citations
,
May 2012 in “Endocrinology” High levels of androgens during early development may cause PCOS-like symptoms.
39 citations
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May 2011 in “Human Immunology” Genetics play a role in acne, but how exactly they contribute is not fully understood.
32 citations
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May 2018 in “Cell Cycle” Melatonin helps Cashmere goats grow more hair by affecting certain genes and cell pathways.
31 citations
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February 2019 in “International Journal of Cosmetic Science” Caffeine applied to the scalp can protect hair follicles from UV damage.
30 citations
,
April 2014 in “Seminars in Reproductive Medicine” Diagnosing PCOS in teenagers is hard because its symptoms often look like normal puberty, and there's a need for better diagnosis methods and agreement on criteria.
27 citations
,
August 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Researchers found new genes involved in hair growth, which could help develop new hair treatments.
24 citations
,
January 2013 in “Indian Journal of Dermatology, Venereology and Leprology” Hormonal treatment is effective for women with acne not helped by usual treatments, especially if they have hormonal imbalances.
23 citations
,
August 2018 in “Facial Plastic Surgery Clinics of North America” Using defensins to activate stem cells may improve skin aging signs without causing inflammation.
22 citations
,
September 2018 in “Medical Clinics of North America” Facial aging is caused by natural processes and external factors, and can be managed with preventative measures and a variety of treatments tailored to individual needs.
22 citations
,
August 2009 in “Evidence-based Complementary and Alternative Medicine” The composition with carnitine, thioctic acid, and saw palmetto extract may effectively reduce inflammation in hair follicle cells.
21 citations
,
April 2010 in “Molecular Medicine Reports” Zinc supplementation may help improve treatment outcomes for chronic hepatitis C.
20 citations
,
January 2008 in “Journal of Korean Medical Science” NGAL may help maintain skin balance and is linked to skin disorders and cancers.
17 citations
,
March 2006 in “Journal of Cosmetic Dermatology” Hormonal changes during and after pregnancy can cause hair growth changes and hair loss, with treatments available for some conditions.
16 citations
,
December 2019 in “Animals” Overexpressing Tβ4 in goats' hair follicles increases cashmere production and hair follicle growth.
16 citations
,
August 2014 in “Colloids and surfaces. B, Biointerfaces” Lipid-coated silica nanoparticles penetrate human skin more deeply than bare silica nanoparticles.
11 citations
,
July 2017 in “Expert Opinion on Investigational Drugs” New hair loss treatments may include topical medications, injections, and improved transplant methods.
10 citations
,
March 2014 in “Scandinavian journal of clinical and laboratory investigation” Malondialdehyde-modified DNA may trigger an immune response in alopecia areata patients.
8 citations
,
February 2023 in “American Journal of Physiology-Cell Physiology” Adiponectin and bradykinin play important roles in skin health and may help treat skin conditions.
8 citations
,
April 2020 in “Journal of Ethnopharmacology” Herbs might help with hair loss, but more research is needed to confirm their safety and effectiveness.
8 citations
,
April 2019 in “Dermatologic Therapy” Tretinoin boosts minoxidil's effect on hair loss by increasing enzyme activity.