October 2020 in “The American journal of gastroenterology” Para-aminobenzoic acid in hair supplements can cause autoimmune hepatitis.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” The protein p21 is more abundant in normal skin cells than in melanoma cells and may help protect against melanoma, with UVB light affecting its levels.
October 2022 in “Journal of ophthalmology” Light therapy may improve eye conditions by stimulating cell activity and increasing oxygen availability.
Thai plant extracts, especially Avicennia marina, can promote hair growth by inhibiting certain enzymes and boosting growth factors.
7 citations
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May 1985 in “Archives of dermatology” Vitamin D is important for more than just bone health.
January 2026 in “British Journal of Dermatology” ELF5 is essential for skin cell growth and maintenance.
December 2020 in “Macromolecular Symposia” These polymers can improve hair texture and reduce water loss in hair cosmetics.
Combining bromelain with finasteride improves hair regrowth and reduces inflammation in alopecia.
31 citations
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February 1983 in “American Journal of Clinical Nutrition” Biotin deficiency can cause hair loss in adults on long-term TPN, but supplementation helps regrow hair.
3 citations
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October 2024 in “Frontiers in Pharmacology” Compounds from Pterocarpus indicus may help treat benign prostatic hyperplasia by stopping cell growth.
6 citations
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August 1989 in “European journal of pediatrics” Child with rickets improved with a specific vitamin D therapy, but alopecia did not change.
20 citations
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February 2018 in “Journal of the European Academy of Dermatology and Venereology” Topical vitamin C may help treat skin fragility in the elderly.
4 citations
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January 2015 in “Journal of microbial & biochemical technology” Biotin helps regulate proteins in the blood, which may explain its role in hair growth.
83 citations
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November 2006 in “European Journal of Neuroscience” Progesterone protects rat brain cells by enhancing GABA A receptor activity.
13 citations
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April 1982 in “The Journal of Dermatology” Poly(ADP-ribose) synthesis is linked to skin cell differentiation.
January 2025 in “SKIN The Journal of Cutaneous Medicine” Calcipotriol's effectiveness for treating alopecia areata is unclear and needs more research.
March 2014 in “CRC Press eBooks” Some nutrients and antioxidants may improve skin and hair health, but more research is needed to confirm these benefits.
45 citations
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February 2005 in “Steroids” Four new compounds were more effective than finasteride in treating prostate issues and hair loss, with one being 100 times more active and safe for use.
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May 2012 in “Journal of veterinary diagnostic investigation” Some young Angus cattle had skin problems due to not enough vitamin A, which got better after they were given more vitamin A.
3 citations
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January 1992 in “Clinical Pediatric Endocrinology” Patients with the same vitamin D receptor mutation showed different symptoms due to other factors.
January 2009 in “OhioLink ETD Center (Ohio Library and Information Network)” p63 and p73 regulate the vitamin D receptor, affecting cancer cell behavior and vitamin D sensitivity.
6 citations
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August 2013 in “한국응용생명화학회지” Certain natural compounds can block an enzyme linked to prostate enlargement and hair loss, showing potential for new treatments.
4-(Ethoxycarbophenyl) retinamide is much less toxic than other retinoids.
January 2020 in “Nihon Yakuri Gakkai nenkai yoshishu” Reducing 5α-reductase activity helps endometrial cells differentiate, aiding pregnancy.
80 citations
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April 2017 in “Frontiers in Pharmacology” PDRN helps repair tissue and improve wound healing with a high safety profile.
December 2017 in “Elsevier eBooks” Vitamin D receptor is crucial for hair growth, not vitamin D itself.
68 citations
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March 2018 in “Biomaterials” Tiny needles with valproic acid can effectively regrow hair.
1 citations
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June 2023 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Vitamin D helps skin stem cells heal wounds by working with a key skin protein.
January 2000 in “Europe PMC (PubMed Central)” 11 citations
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November 2021 in “JBMR plus” The vitamin D receptor can act without its usual activating molecule, affecting hair growth and skin cancer, but its full range of actions is not well understood.