"Egg yolks and whites contain vitamins A and E, as well as biotin and folate, and can help strengthen damaged cuticles.

Source: https://www.buzzfeed.com/fabianabuontempo/common-hair-myths-debunked

Fortunately, it can be treated with oral biotin supplements from birth to prevent deficiency symptoms.

Source: https://www.healthcanal.com/beauty/hair/biotin-hair-growth

It also meets the Daily Value for vitamins D, E, and B6, folate, niacin, and biotin.

Source: https://www.healthcanal.com/nutrition/best-multivitamins-for-teen-girls

It's recommended that you take supplements such as biotin, zinc, vitamin C, omega-3, and collagen if you're experiencing hair loss, as they can help.

Source: https://www.mirror.co.uk/news/health/doctor-shares-vitamins-can-help-30627792

One cup of black beans, for instance, contains around 2 milligrams of zinc, while 28 grams of peanuts contain almost 5 milligrams of biotin, both around 10% to 20% of the recommended daily intake for most adults.

Source: https://www.cnet.com/health/nutrition/10-best-foods-for-hair-growth/

That sounds like a lot, but no side effects have been reported in doses of up to 10,000 mcg (10 mg) of biotin.

Source: https://www.cnet.com/health/nutrition/6-best-vitamins-for-hair-skin-and-nails/

You’ll find an inclusion of 5% minoxidil, a potent ingredient that’s been shown to stimulate faster hair growth in both men and women, alongside biotin, which has long been hailed as a potential solution to hair and nail loss.

Source: https://stylecaster.com/beauty/skin-care/1644281/elevate-hair-growth-oil/