Bio-Oil is a specialist skin care product, formulated to help improve the appearance of scars, stretch marks and uneven skin tone. It is also recommended for ageing and dehydrated skin.. Bio-Oil is formulated to help improve the appearance of Scars, Stretch Marks and Uneven skin tone. It is also recommended for ageing and dehydrated skin. It contains Vitamin A, Vitamin E, Calendula oil, Lavender oil, Rosemary oil, Chamomile oil and the breakthrough ingredient PurCellin Oil. It contains vitamin A, vitamin E, calendula oil, lavender oil, rosemary oil, chamomile oil and the breakthrough ingredient purcellin oil will help to improve the appearance of scars, stretch marks and uneven skin tone.