June 2020 in “Current developments in nutrition” Vitamin A affects the resting phase of hair growth, with both low and high levels increasing the number of hair follicles in this phase.
43 citations
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October 1955 in “The journal of nutrition/The Journal of nutrition” Germ-free rats need biotin for growth and have different vitamin metabolism compared to regular rats.
22 citations
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February 2013 in “Journal of Investigative Dermatology” Altered retinoid metabolism in cicatricial alopecia suggests a balanced vitamin A diet may prevent the condition.
14 citations
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July 2022 in “Nutrients” Vitamin A is important for healthy skin and hair, influencing hair growth and skin healing, but UV light reduces its levels.
April 2024 in “Communications biology” Enzymes involved in Vitamin A metabolism affect hair growth and type in mice.