Supplements for hair are becoming increasingly popular among people looking to improve the health and appearance of their hair. While a healthy diet and proper hair care are essential for maintaining healthy hair, supplements can provide additional support to promote growth, thickness, and shine. One of the most important supplements for hair is biotin, a B vitamin that is essential for hair growth and strength. Biotin helps to nourish hair follicles and promote the production of keratin, a protein that makes up hair strands. If you're looking to improve the health and appearance of your hair, consider adding a hair supplement to your daily routine.