When it comes to skincare and giving your wrinkles a helping hand, you need some form of retinoid. It's the superstar ingredient to help reverse, prevent and repair the signs of ageing. Now retinol (vitamin A) comes in many forms, from retinol esters to retinoic acid and I'm no skin expert at all but I do know that it's always best to start with the lower strength when you first start dabbling with a vitamin A product.