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Vitamins and hair: Sham or science?
Advaitaa Ravipati1, Antonella Tosti1
1Dr Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, Florida, USA.
Clinics in Dermatology
|February 15, 2026
Summary
Vitamins support hair health in individuals with deficiencies. However, more research is needed to confirm if vitamin supplements benefit healthy individuals
Area of Science:
- Nutritional Science
- Dermatology
- Hair Biology
Background:
- Growing interest in supplements for hair health beyond medical treatments.
- Vitamins are essential micronutrients for bodily homeostasis and hair growth.
- Vitamin deficiencies are linked to hair disorders like alopecia areata and telogen effluvium.
Purpose of the Study:
- To review the scientific evidence on vitamin supplementation and hair health.
- To assess the impact of vitamins on hair health in both deficient and healthy individuals.
Main Methods:
- Literature review of existing scientific evidence.
- Analysis of clinical trials and studies on vitamin supplementation and hair health.
Main Results:
- Evidence supports vitamin supplementation for individuals with diagnosed vitamin deficiencies and hair disorders.
- Limited scientific backing currently exists for the tangible benefits of vitamin supplementation in healthy individuals with no deficiencies.
Conclusions:
- Vitamins play a crucial role in hair health, particularly when correcting deficiencies.
- Further clinical trials are necessary to establish the efficacy of vitamin supplementation for enhancing hair health in the general population without deficiencies.
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