Beauty enthusiasts are singing the endorsed by Kate Middleton's personal makeup artist, Carl Ray. Ray, who has worked with various members of the Royal family, swears by the age-defying cream, often described as a 'natural alternative to Botox', and considers it one of the Duchess of Cambridge's essential anti-ageing skincare items.

The sought-after wrinkle-reducing cream is currently available with a 28% discount, (July 8 to 11) - the cheapest it's been in 30 days. claims to deliver visible results within just 60 minutes and maintain its effect for up to nine hours, potentially diminishing wrinkles by up to 25%.

This aims to decelerate muscle contractions and relax facial features using spilanthol, a natural extract known for its ability to soften expression lines. What's more, it boasts hyaluronic acid to volumize and hydrate the skin.

Biotulin assures that their can achieve up to a 25% reduction in wrinkles within an hour of use, without compromising facial expressions or causing numbness. The brand emphasises that unlike injectable treatments, the gel allows your face to retain its natural animation and beauty.

It can be applied at any time before your regular moisturiser. Amazon reviews are abuzz with customers "wowed" by the transformative effects of the Princess of Wales' favoured skincare product, with over 330 shoppers awarding it a perfect five-star rating.

One Amazon customer raved about , saying: "This really is amazing. It does exactly the same job as Botox in a skin gel. I cannot believe how good this is. I love it. The best product I have ever used. I would highly recommend this. I will never stop using it. A real breakthrough."

Biotulin Supreme Skin Gel

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Biotulin Supreme Skin Gel claims to deliver visible results within just 60 minutes and maintain its effect for up to nine hours, potentially diminishing wrinkles by up to 25%. This anti-ageing marvel aims to decelerate muscle contractions and relax facial features using spilanthol, a natural extract known for its ability to soften expression lines.

Another shared their experience: "I am 65-years-young. The only place I have deep wrinkles is around my mouth/nose area. Since using Biotulin I have noticed that they are not so prominent."

A third customer expressed satisfaction: . It is a very nice product and feels good on the skin. this is a serum and not sticky like cream. Once applied you don't realise you've put it on. 10/10."

Yet another added a more tempered review: "This is not a magic pot and your loved ones won't see the difference. But if you know your skin very well, you will probably see a slight improvement. like it, I will buy it again, it's OK as long as you don't expect somebody to tell you, that you look 10 years younger."

However, one user claimed: "This product takes years off you, as it tightens and wrinkles disappear." In other news, Rodial has significantly reduced the price of its , reportedly adored by Kate Middleton.

Normally priced at £750, the luxury skincare brand is now offering an almost 90% discount, allowing customers to purchase the cream for just £95, saving them £655, with the added bonus of free next day delivery. Or there's the Beverly Hills Instant Facelift serum, which is available for £18.49.