For many people, their bathroom cupboard or cabinet will be a graveyard full of half-empty bottles of lotions and potions.
From moisturisers and toners to exfoliants, sun cream, and serums, we've all been guilty of trying something a few times and then leaving it at the back of the shelf to make way for a must-have new product.
But according to an expert, you need to pay much more attention to when you first bought those products - and be sure you're getting rid of them at the right time.