Kate Middleton has always sported a fairly long hairstyle, however, over the years the royal has opted for a long bob on more than one occasion. Now, the Princess of Wales seems to have the longest hair she has ever had, having been pictured in Southport with a lightly curled style that comes way past her shoulders. 

It has been widely reported that Kate is a big fan of beauty brand Kérastase and allegedly opts for their deep conditioning treatments when visiting the hairdresser. If you want to try one of their royally-approved products out for yourself, Amazon have cut the price of the Kérastase Discipline Anti-Frizz Shampoo from £28.25 to £18.86. 

Saving you £9 off luxury haircare, the Kérastase shampoo is ideal for ‘dry and fragile’ hair. Enriched with Marula Oil, it removes dulling agents whilst intensely moisturising hair fibre for smoother, softer hair with locked-in moisture.

While we can’t say for certain that Kate uses the exact shampoo, the product has racked up an impressive portfolio of reviews and has been rated 4.6 out of five by more than 1,000 customers. 

One person wrote: “No matter how often I deviate from Kérastase I always come back. This particular shampoo is brilliant for my wavy and sometimes frizzy hair. Fills my hair with moisture and tames the frizz. If its good enough for Kate Middleton and all that!”

Another shared: “I have curly, thinning, keratin and color treated hair. Never have I found a shampoo that leaves my hair so soft! More often I depend upon conditioner for that yet, this shampoo does exactly that! It is quite pricey, but I have learned the hard way that when it comes to my hair, well, you get what you pay for!”

A third explained: “I have very frizzy hair but only after two shampoos does the hair already change, soft, silky and frizz-free. Very good that it does not have a strong but rather delicate fragrance. It doesn’t foam much at the first application so you have to make two shampoos.” Someone else also pointed out that ‘you have to use quite a lot to get a lather’.