November 2022 in “Journal of the Endocrine Society” Estrogen deficiency can reduce the enzyme activity needed to activate vitamin D.
59 citations
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October 2017 in “Proceedings of the National Academy of Sciences” ZIP10 is crucial for skin development and maintaining healthy skin.
January 2011 in “Linchuang pifuke zazhi”
April 2018 in “Journal of Investigative Dermatology” Stabilizing HIF1A in hair follicles increases glycolysis, which may help reduce oxidative stress and support hair growth.
July 2025 in “Journal of Investigative Dermatology” Miniaturized hair follicles in androgenetic alopecia show abnormal mitochondrial activity and damage.
241 citations
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January 2001 in “Reviews on Environmental Health” High selenium exposure can harm thyroid function, immune system, liver, skin, and may increase neurotoxicity and cancer risk.
109 citations
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October 2007 in “Journal of pineal research” Melatonin helps regulate hair growth and protects the hair follicle from stress.
March 2023 in “Journal of the turkish academy of dermatology” High levels of ceruloplasmin might indicate more severe toenail fungus.
December 2024 in “Antioxidants” Luteolin can reduce hair graying in mice, with external treatment being more effective.
131 citations
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September 2017 in “Molecular and Cellular Endocrinology” The document concludes that blocking the internal pathways that create androgens might help treat cancers that depend on sex hormones.
43 citations
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April 2011 in “AJP Endocrinology and Metabolism” Androgens increase muscle mass by promoting myoblast growth through ornithine decarboxylase.
2 citations
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February 2023 in “International journal of molecular sciences” Tetrathiomolybdate reduces hair growth marker in skin cells by boosting harmful oxygen molecules, but effects can be reversed.
April 2017 in “The FASEB journal” Low selenium levels worsen health but increase lifespan in mice.
February 2026 in “International Journal of Nanomedicine” Engineered exosomes with EGF and FGF improved hair growth in mice with hair loss.
5 citations
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January 2011 in “International Journal of Cosmetic Science” 1,2,3,4-tetrahydroquinoline compounds are great for stable, pure blue hair dye.
53 citations
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March 2006 in “Biopolymers” TTD hair is brittle due to fewer sulfur amino acids and unstable disulfide bonds.
April 2019 in “Journal of Investigative Dermatology” Increasing COX-2 in mouse skin causes bigger sebaceous glands and thinner hair, but stopping COX-2 can reverse hair thinning.
79 citations
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January 1975 in “Food and Cosmetics Toxicology” The hair dye formulations tested did not cause long-term toxicity or cancer in mice.
December 2015 in “PLOS Genetics”
68 citations
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June 2005 in “Expert Opinion on Therapeutic Targets” Oestrogens help maintain healthy skin, heal wounds, and may protect against skin aging and cancer.
11 citations
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March 2008 in “Experimental Dermatology” A substance called compound-1 could help increase hair growth by maintaining prostaglandin levels in hair follicles.
Age-related changes in scalp glands may affect hair health, but sulforaphane might help.
9 citations
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February 2019 in “BMC cancer” M30 is a promising treatment for preventing hair loss during chemotherapy.
June 2026 in “Dermatology and Therapy” Combining multiple ingredients is the most effective treatment for hyperpigmentation.
January 2026 in “American Journal of Medical Genetics Part A” A new genetic variant causes trichothiodystrophy in two brothers, but their mother may carry it without showing symptoms.
3 citations
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January 2024 in “In Vivo” Methionine is essential for hair maintenance in C57BL/6 mice.
September 2022 in “Research Square (Research Square)” 5% topical minoxidil improves hair density and quality in monilethrix patients.
3 citations
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January 2022 in “Burns & Trauma” CTHRC1 helps sweat glands recover by rebuilding nearby blood vessels.
25 citations
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August 2015 in “Molecules” Mimosine dipeptides are promising for treating hyperpigmentation and inflammation.