I recently crossed a Rubicon and treated myself to an item that has exponentially improved my day to day life. For just 35 quid, I feel happier than spending 900-plus quid on retinol and serums has ever made me. Unfortunately my incredible, life-enhancing 35 quid purchase is working in direct opposition to my fancy skincare as, according to many people in my life, it is ageing me prematurely.