Could This Be One of the Greatest Serums Ever Made?

In the world of beauty, it's all too easy to be swayed by fancy new brands with trendy packaging and a ridiculous Instagram following. However, every now and then, you're reminded of a cult classic that makes the case for not always vying for the latest and greatest. Case in point? Clarins Double Serum (£75).

It's been around for decades, and while flashy new vials are popping up all over the internet, it's a formula that so many women still remain true to. And we'll tell you why.