2 citations,
June 2023 in “Journal of the American Academy of Dermatology” Hair, skin, and nails supplement use nearly doubled from 2011 to 2020, with higher usage among young adults, females, and certain ethnic groups.
7 citations,
October 2020 in “Dermatology practical & conceptual” Some skin, hair, and nail supplements can be toxic, interact with medications, affect lab tests, and may increase cancer risk.
Instagram ads for skin, hair, and nail supplements often make broad health claims without clear ingredient information, and are not FDA-regulated.
December 2021 in “Trichology and cosmetology:” Taking Kera-Diet® improves hair and nail health without side effects.
1 citations,
January 2010 in “Springer eBooks” Certain micronutrients may improve hair and nail health, but more research is needed to confirm their benefits.
10 citations,
October 2017 in “Pediatric neurology” Biotin and acetazolamide improved hair and nail growth, mental function, and reduced headaches in a child with autism.
134 citations,
December 2018 in “Dermatology and Therapy” Some vitamins and minerals like vitamin D and iron can help with certain types of hair loss, but more research is needed for others.
11 citations,
January 2014 in “The Scientific World Journal” Cynatine HNS improves hair and nail quality in 90 days.
1 citations,
June 2019 in “Current developments in nutrition” A combination of arginine silicate complex and magnesium biotinate improves hair and nail growth in rats.
9 citations,
November 2014 in “Journal of Cutaneous Medicine and Surgery” Many dermatologists in Saudi Arabia recommend vitamins and minerals for hair loss, often based on personal experience rather than strong evidence.
57 citations,
February 2018 in “Journal of the American Academy of Dermatology” Biotin supplements are not proven to improve hair or nails and may interfere with medical tests.
11 citations,
September 2007 in “Advances in therapy” INVERSION Femme supplement helped women lose weight, reduce hair loss, and improve skin and nail health.
4 citations,
August 2018 in “Journal of The American Academy of Dermatology” The authors agree that biotin may help certain hair disorders but lacks evidence for use in healthy people and call for more research.
January 2019 in “Journal of cosmetology & trichology” L-Cystine and L-Cystine with Kera-Diet® safely improved hair and nail quality in healthy women.
January 2011 in “Springer eBooks” Eating a balanced diet with the right vitamins and minerals is important for healthy hair, but too many supplements can be harmful.
4 citations,
November 2009 in “Medical Clinics of North America” Stress, nutritional issues, and chronic diseases can cause hair loss, and nail changes may signal internal diseases; treatment focuses on the underlying cause.
January 2017 in “International journal of clinical & experimental dermatology” Eating a balanced diet with vitamins, micronutrients, and antioxidants is important for hair health and can help with hair loss.
98 citations,
October 2012 in “Dermatologic Clinics” Eating the right nutrients can improve hair health, but taking extra supplements usually doesn't help unless you have a deficiency.
15 citations,
September 2006 in “Journal of International Medical Research” Nourkrin® significantly increased hair growth and was well-tolerated by people with hair loss.
29 citations,
October 2012 in “Anais Brasileiros De Dermatologia” Diagnosing hair loss disorders needs clinical, dermoscopic, and histological differences, and checking menstrual cycle, weight changes, drug therapy, and nail changes.
1 citations,
December 2011 Marine-derived ingredients show potential for hair health but need more human trials to confirm effectiveness.
78 citations,
January 2017 in “Skin appendage disorders” Biotin supplements may improve hair and nail growth in people with certain deficiencies or conditions, but there's not enough evidence to recommend it for healthy individuals.
7 citations,
January 2017 in “Journal of cosmetology & trichology” Good nutrition is crucial for healthy hair and can help with hair loss without medication.
December 2010 in “Bariatric Nursing and Surgical Patient Care” Hair loss after bariatric surgery can be reduced by staying hydrated, eating enough protein, taking vitamins, managing stress, and possibly using biotin.
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.
1 citations,
November 2014 The document explains hair and nail biology, common hair loss conditions and treatments, oral and genital skin diseases, and the risks and treatments associated with squamous cell carcinoma.
June 2021 in “International journal of cosmetics and dermatology” Vitamin C and E may help with certain skin and hair conditions, but more research is needed to confirm their effectiveness.
The conclusion is that hair supplement ingredients may be unsafe and should be disclosed and proven safe before use.
1 citations,
May 2017 in “Asian journal of medical sciences” The dietary supplement significantly improved skin, nails, and hair in older adults.
June 2012 in “Springer eBooks” Skin changes can indicate starvation and nutritional deficiencies in anorexia nervosa.