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March 2020 in “JAAD Case Reports” Vitamin B12 deficiency can cause darkening of all nails.
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April 2016 in “Journal of Investigative Dermatology” CD73 may regulate hair growth and could be targeted for hair growth treatments.
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February 1997 in “British Journal of Dermatology” The enzyme type 1 5α-reductase is more active in the hair follicle's lower part than in the skin's outer layer.
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February 2011 in “Journal of dermatology” The 736T>A mutation in the LIPH gene is common in Japanese people with autosomal recessive woolly hair.
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October 1980 in “The Journal of Clinical Endocrinology & Metabolism” The child's body didn't respond well to vitamin D, causing hair loss and rickets.
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January 2005 in “Biological & Pharmaceutical Bulletin” The peptide GPIGS helps hair cells grow and speeds up hair regrowth in mice.
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August 2024 in “Polymers” Bacterial cellulose is a promising material for biomedical uses but needs improvements in antimicrobial properties and degradation rate.
December 2020 in “Benha Journal of Applied Sciences” People with severe acne tend to have higher levels of betatrophin.
Finasteride is extensively metabolized in the body, affecting its effectiveness and safety.
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August 1986 in “Archives of Dermatology” Vitamin B12 deficiency can cause skin and hair color changes, which are reversible with treatment.
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November 2024 in “Journal of Advanced Research” Targeting NMMHC IIA may help treat blood-brain barrier damage.
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August 2017 in “Cosmetics” The extract reduced sebum production and promoted hair growth.
Baricitinib works better than methotrexate for severe alopecia areata.
July 2025 in “Journal of Investigative Dermatology” BrdU speeds up hair follicle aging and reduces hair quality.
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August 2014 in “Steroids” Fermentation of Finasteride with Ocimum sanctum L. creates new metabolite that inhibits tyrosinase.
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January 2002 in “Skin Pharmacology and Physiology” Reconstructed skin models are useful for studying how skin processes certain chemicals.
July 2025 in “Frontiers in Medicine” Baricitinib successfully regrew hair in an 8-year-old boy with alopecia totalis linked to a KRT74 gene variant.
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January 2008 in “Massey Research Online (Massey University)” A successful enzyme depilation system needs a broad-spectrum protease that doesn't harm collagen VI.
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July 2018 in “International Journal of Research -GRANTHAALAYAH” Antioxidants, like catalase, are crucial for keeping hair follicles alive.
The conclusion is that hair supplement ingredients may be unsafe and should be disclosed and proven safe before use.
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July 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzymes Aldh1a2 and Aldh1a3 are involved in making retinoic acid in hair follicles and have different roles in hair growth.
January 2025 in “Geneesmiddelenbulletin” Baricitinib is effective and safe for treating severe alopecia areata with ongoing use.
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January 2001 in “Bioscience Biotechnology and Biochemistry” Ubiquitin, a protein, is found in hair, nails, and skin.
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March 2022 in “The FASEB journal” Adult mice with CBS deficiency show minimal health issues and normal lifespan despite high homocysteine levels.
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June 2015 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzyme DHHC13 is essential for healthy hair and skin, and its deficiency leads to hair loss and skin problems.
August 2023 in “Dermatology reports” A baby with maple syrup urine disease improved from skin problems by adjusting his diet to correct amino acid levels.