what food is biotin in
They're full of biotin, a B vitamin that promotes hair growth and overall scalp health. A deficiency can cause brittle hair. Other high-biotin foods include peanuts, almonds, wheat bran, salmon, low-fat cheese, and avocados. Bananas, beer, oats, and raisins. These contain the mineral silica, which is thought to improve hair thickness, Jackson Blatner says. Emphasizing foods rich this mineral helps make hair stronger and more durable.