Bio-Oil Skincare Oil is the No.1 selling scar and stretch mark product.⁺ Bio-Oil Skincare Oil helps improve the appearance of scars, stretch marks and uneven skin tone. The clinically proven formulation is a combination of plant extracts and vitamins suspended in an oil base that work together to help improve the skins texture and increase its elasticity. Bio Oil Since 1987 Bio Oil have been pioneers in specialist products for skins care. Their laboratory has specialised in research dedicated to skin concerns since 2010. In particular how oil can be used to improve how stretch marks and scars appear. Bio Oil products are distributed around the world by some of our leading skincare companies.