The expert has shared their top essential (Stock Image) (Image: Getty) The market is flooded with products claiming to halt or reverse ageing, making it difficult to know where to begin. However, one doctor insists there's a single product that outshines all others in the quest for a youthful appearance. They say the product is often overlooked despite its significance - and it's not heavy night creams.

TikTok user @drjennyliu took to her account to reveal her top skincare tip, encouraging women of all ages to include this product in their routines if they haven't already. So, what is it? It's none other than SPF – and you're probably missing some key areas. function loadOvpScript(){let el=document.

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