Shoppers are racing to get their hands on a £10 anti-ageing serum that promises skin transformation in just a week. The product, which usually retails for three times the price, has been lauded by skincare enthusiasts aged between 50 and 75, with some claiming it tightens 'sagging jawlines' and 'significantly reduces wrinkles'. The No7 Laboratories Firming Booster Serum , typically priced at £34.

95, is currently available for just £10 as part of the retailer's weekly £10 Tuesday deal. The Firming Booster Serum , described as 'clinically proven for firmer looking and feeling skin', is one of No7's 'most concentrated' firming serums yet, specifically designed to target areas prone to sagging, delivering 'fast, visible results'. The 'miracle' treatment has received glowing reviews from shoppers , with many giving it five stars.

One 57 year old customer was 'amazed' by the results, saying: "I can actually feel this working and it makes my cheekbones look amazing . I'm 57 years old. I stopped using it for a couple of weeks due to illness.

I couldn't believe how my skin deteriorated. I started using this serum again and in no time my skin was really lifted. I'm amazed.

" READ MORE: Lydia Millen shares the secret behind her radiant 'glowy' skin and credits must-have beauty product READ MORE: Frankie Bridge’s ‘simple but versatile’ designer dress that’s on sale at M&S and John Lewis Meanwhile another shopper added: “This serum is awesome. I’m 52 and started seeing loos.