120 citations
,
July 2005 in “Dermatologic surgery” Niacinamide improves aging skin and is safe for use in cosmetics.
185 citations
,
June 2011 in “Molecular and cellular endocrinology” Skin cells produce and activate vitamin D, which regulates skin functions and supports hair growth.
March 2022 in “Annals of Bariatric Surgery” Protein supplements with zinc, iron, and B vitamins reduce hair loss after sleeve gastrectomy.
114 citations
,
October 2017 in “American journal of clinical dermatology” Adequate vitamin D is crucial for skin health and should be considered in dermatology.
4 citations
,
April 2022 in “International Journal of Biological Macromolecules” The mix of bacterial cellulose and soybean protein helps wounds heal faster, regrow hair, and reduces scarring and inflammation.
January 1982 in “Side effects of drugs annual” High doses of certain vitamins can cause serious side effects and health risks.
8 citations
,
April 2014 in “Anti-Cancer Drugs” A hormone linked to collagen helps hair grow back in mice after chemotherapy, and may also prevent bone loss.
32 citations
,
May 2015 in “Journal of Investigative Dermatology” Mice without collagen VI have slower hair growth normally but faster regrowth after injury.
Calcium and magnesium levels in hair decrease after taking supplements, indicating early metabolic changes in perimenopausal women.
9 citations
,
January 1966 July 2013 in “International Society of Hair Restoration Surgery” Vitamin D might help with hair growth and hair loss treatments.
49 citations
,
November 2013 in “The Journal of Steroid Biochemistry and Molecular Biology” Vitamin D receptor helps control skin cell growth and hair development.
3 citations
,
April 2015 in “Cleveland Clinic Journal of Medicine” The woman has scurvy and needs more vitamin C.
7 citations
,
May 1985 in “Archives of dermatology” Vitamin D is important for more than just bone health.
14 citations
,
January 2020 in “Dermatology Online Journal” Some dietary supplements, like vitamins B6/B12, iodine, whey protein, and muscle-building products, can cause or worsen acne.
November 2024 in “Journal of Functional Foods” AP collagen peptides improve hair elasticity and gloss.
6 citations
,
March 2023 in “Journal of Cosmetic Dermatology” Low levels of BDNF and vitamin D are linked to higher depression in alopecia areata and vitiligo patients.
2 citations
,
January 2008 in “Cuadernos de Psiquiatría comunitaria” Vitamin D and its receptor help regulate skin functions like cell growth, immunity, and hair cycle.
2 citations
,
April 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Vitamin D3 is important for hair growth and protecting skin from damage caused by long-term sun exposure.
October 2025 in “Journal of the Endocrine Society” Hormone Replacement Therapy improves skin health in postmenopausal women by boosting collagen and hydration.
42 citations
,
August 1999 in “The American journal of pathology” Basal cell carcinomas have much higher levels of Vitamin D3 receptors compared to healthy skin.
28 citations
,
April 1988 in “Archives of Dermatological Research”
March 2024 in “Portuguese Journal of Dermatology and Venereology” People with hair loss often have lower levels of iron, vitamin D, and vitamin B12.
3 citations
,
January 2016 in “Annals of Dermatology” Vitamin D may help reduce inflammation in acne.
January 1954 in “DMW - Deutsche Medizinische Wochenschrift” Azelaic acid and vitamin B6 together may improve hair growth.
September 2023 in “Journal of microbiology and biotechnology” A type of collagen helps hair grow by boosting cell growth and activating a specific hair growth pathway.
20 citations
,
February 2018 in “Journal of the European Academy of Dermatology and Venereology” Topical vitamin C may help treat skin fragility in the elderly.
June 2024 in “Synthetic and systems biotechnology” A fragment of human type XVII collagen shows great potential for skin health and wound healing.
April 2016 in “Journal of Investigative Dermatology” Lithocholic acid helps hair growth and regeneration in alopecia by activating vitamin D receptors.