Does acne from biotin go away? There is some evidence that biotin may help improve comedonal acne, which is acne that causes blackheads and whiteheads. It may also help control the flaking and irritation that occurs when you take retinoids for acne.
Does biotin make your skin break out? Biotin supplements and acne Currently, there is minimal evidence that taking biotin supplements causes acne. The logic behind such claims has more to do with pantothenic acid, or vitamin B5, than with biotin.
How long does a biotin rash last? The cutaneous eruption typically resolves within weeks of biotin replacement, and hair regrowth occurs from weeks to months on treatment. Holocarboxylase synthetase deficiency may require much larger doses. There are reports of poor response even to 200 mg/day.