Princess Kate loves this skincare brand and their 'Botox in a bottle' serum is on Amazon

The Princess of Wales is said to achieve her flawless complexion with a little help from the Biotulin Supreme Skin Gel - a face serum containing ingredients that mimic Botox without the needles. Developed and produced in Germany, shoppers can get their hands on it through Amazon, for £42. 

According to the royal's makeup artist Carl Ray, the Biotulin Supreme Skin Gel is one of Kate's must-have anti-ageing skincare products. Hailed as a 'natural alternative to Botox', the wrinkle-busting results claim to last up to nine hours and promise smooth and supple skin. 

One user said the product "takes years off you as it tightens and wrinkles disappear" and another noted that they "love the tightening feel the product has on the face upon applying."

The anti-ageing skincare product works to reduce muscle contractions and relax the face with spilanthol, a plant-derived ingredient that can reduce fine lines caused by movement of the face. It also contains hyaluronic acid to plump up the skin and keep it hydrated. 

Biotulin says that the Supreme Skin Gel can provide up to 25% wrinkle reduction after just 60 minutes after application but you don't need to worry about your facial expressions minimising or your skin feeling numb. The brand adds that 'unlike needle injections, your features will still be reanimated and beautiful.' It can be used at any time of day before your usual moisturiser. 

Shoppers have been "wowed" by the results of using the Princess of Wales-approved skincare buy, taking to Amazon reviews to share their experiences. Over 1,000 customers have rated it the full five stars.

One person said: "I wished I had found this sooner. 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." 

A second user explained: "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. Wow!" 

And a third wrote: "I am 65yrs 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." 

However, while customers were happy with the formula, some were disappointed with the packaging. One person noted: "I would also like to suggest a bottle that shows the level of content; as a new customer, this was a considered purchase and to know how much I have used would help me budget for the next bottle."

The Bare Minerals Skinlongevity Long Life Serum is £58 at Boots and packaged in a clear glass bottle so you can see exactly how much product is left, minimising wastage. It has also been said that the Princess of Wales uses Rodial's Bee Venom and Placenta 24 Carat Gold Ultimate Crème to reduce the signs of ageing. Typically setting you back £750, it is currently on sale and back in stock for £95 - a huge saving of £655.