Bio Oil for scars, stretch marks and dehydrated skin Bio Oil is an award winning specialist skincare product that helps improve the appearance of scars, stretch marks and uneven skin tone. Also it is highly effective for ageing and dehydrated skin. Bio Oil is a non-comedogenic, (acnegenic) hypo-allergenic product that is suitable for use by individual with sensitive skin. Bio Oil has won 183 skincare awards and has become the No. 1 selling scar and stretch mark product. Results vary from individ