L'Oreal anti-ageing serum that leaves skin 'flawless' now only £10 in Boots flash deal

Boots shoppers can save more than £20 on an as part of a one-day flash deal. The , usually priced at £31.99, has been slashed to £10 as part of the health and beauty retailer’s weekly £10 Tuesday offer.

The popular night serum contains , also known as retinol, a potent ingredient renowned for visibly reducing even deep wrinkles. In fact, it's so effective that studies showed 77% of women noticed a reduction in the appearance of deep wrinkles.

Designed for evening use, this night serum has shoppers claiming its ‘tightening’ effect is so impressive that its results are mistaken for Botox. It also features macro hyaluronic acid, which reviews say helps leave the skin ‘plumped’ and ‘younger looking’.

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As it contains a high concentration of retinol, it's always recommended to wear SPF the following day to protect your skin from damage caused by UV rays, reports . The powerful serum has earned a based on more than 800 reviews.

One said: “This is a great product ! Used this for 3 months and reduced fine lines tightened my skin reduced my big forehead wrinkles and was ! So this is a definite thumbs up for me ! Totally recommend!”

Another added: “I've been using this for two weeks. Initially it felt quite strong on my skin, but now it's OK. There's a definite improvement in my overall skin and my wrinkles look slightly softer. I'm excited to see what happens in the next few weeks.”

“Since using this serum I've had several comments on how fresh my skin's looking,” wrote a third. “It certainly has worked so far as the outer layer is concerned and . I've not completed the 4 months yet to see how and if it will work on deep lines. I think thats expecting too much of a miracle at my age but i would definitely recommend to younger people thinking to start using it before the real deep lines set in.”

While a fourth penned: "Left my skin plump, fresh and flawless. Not a wrinkle in sight."

However, some people have experienced some discomfort when using the serum. Retinol should be introduced to the skin slowly over time to allow your skin to build up a tolerance to the concentrated formula. One said: “I have been using this for a month and have followed instructions but I have had to stop using it as my face started to peel and became very red and it tingles when applying the product.”

Another popular retinol product is the which costs £34.95. This Morning beauty expert Nadine Baggott even dubbed it as ‘perfect for beginners’. However, if you’re already a dedicated retinol user, you could upgrade to a retinal. Nadine recommends the for anyone showing the ‘first signs of ageing’, saying it’s perfect for those with perimenopausal skin around the age of 45+.

Alternatively, shoppers can purchase the in the Boots £10 Tuesday deals exclusively .