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.
3 citations
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October 2018 in “International Journal of Green Pharmacy” The herbal shampoo with Piper betle and Psidium guajava leaves extract promotes hair growth and improves hair health.
Vitamin D receptor helps prevent skin tumors.
February 2023 in “JEADV Clinical Practice” Biotin supplements significantly improved a young girl's uncombable hair.
46 citations
,
November 2004 in “Lipids” PPARs help regulate skin health and could be used to treat skin disorders.
May 2025 in “International Journal of Trichology” The supplement improved hair health and reduced shedding in people with telogen effluvium.
September 2025 in “Science Advances” PADI4 enzyme slows down cell growth in developing hair follicles.
22 citations
,
January 2010 in “Humana Press eBooks” The vitamin D receptor can affect gene activity even without its usual hormone in hair and skin.
A 5% pomegranate peel water extract optimally enhances hair growth.
January 2011 in “Journal of the American Academy of Dermatology” Finasteride may cause pseudoporphyria, a blistering skin condition.
85 citations
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May 2009 in “Hippocampus” Progesterone helps adult male mice grow more neurons and improves memory.
5 citations
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January 2022 in “Molecular Medicine Reports” Pine bark extract helps mice grow hair by reducing inflammation and boosting growth factors.
30 citations
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October 2009 in “Journal of Veterinary Internal Medicine” A Pomeranian dog had rickets due to a new gene mutation, leading to severe symptoms and euthanasia.
Retinol with polylysine cleared scalp skin growths in 21 days without side effects.
The conclusion is that hair supplement ingredients may be unsafe and should be disclosed and proven safe before use.
3 citations
,
November 2018 in “PubMed” People with TED often have low B12 levels and might benefit from B12 supplements.
1 citations
,
January 1998 in “International journal of cancer” Rubbing vitamin D3 on skin can help prevent hair loss from chemotherapy and slow breast tumor growth in mice.
40 citations
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October 2002 in “Endocrinology” Vitamin D3 analogs can promote hair growth in mice genetically prone to hair loss.
Photobiomodulation effectively improves skin and hair conditions with minimal side effects.
21 citations
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January 2019 in “Experimental dermatology” Light therapy using helium-neon lasers can help restore skin color in vitiligo by promoting skin cell growth and movement.
1 citations
,
October 2019 in “مجله كليه طب الكندي” Dapsone gel 5% is effective and safe for treating acne.
1 citations
,
January 2018 in “Journal of clinical & experimental dermatology research” The study found no link between vitamin D deficiency and psoriasis but suggests more research is needed.
October 2017 in “The Japanese Biochemical Society/The Molecular Biology Society of Japan” Some natural compounds might help hair grow.
April 2025 in “Journal of Controversies in Obstetrics & Gynecology and Pediatrics” Vitamin D may improve fertility in women with PCOS.
2 citations
,
September 2011 in “Der Urologe” Prostate cancer prevention now focuses on healthy diets and some medications, not vitamins.
NB-UVB phototherapy is an effective and safe treatment for vitiligo, especially on hands and feet, and can be improved with tacrolimus.
72 citations
,
October 1988 in “Archives of Disease in Childhood” Biotin treatment improves symptoms of biotinidase deficiency, but some neurological damage may be permanent.
September 2024 in “Cosmoderma” Biotin doesn't help hair growth in healthy people and can cause health risks if overused.
October 2018 in “Annals of oncology” Topical calcitriol (BPM31543) is safe for preventing hair loss from chemotherapy and shows some effectiveness.
5 citations
,
June 2017 in “in Vivo” Vitamin C deficiency changes gene expression, affecting skin and hair health.