What is Biotin? Biotin, is a B vitamin which contributes to normal hair, skin and mucous membranes. It is often added to creams and shampoos to help maintain good skin and hair. Benefits of Lifeplan Biotin: Free-from: added sugar, starch, salt, yeast, flavouring, colourings, perservatives or animal derivatives. Lifeplan Biotin tablets which are high strength and one a day. Registered with the Vegan Society. Directions for use: As a supplement, take one tablet daily preferably with food.