When it comes to beauty products, I'm all about recommendations — whether it's from a best friend who is raving about her go-to cleanser or one of my fave celebrities showing off their latest lippie on an Instagram Live. And when it turns out that I've already got a product in my collection that an A-lister loves, I can't help but feel smug. That turned out to be the case when I discovered that model Rosie Huntington-Whiteley has waxed lyrical about Christophe Robin's Cleansing Purifying Scrub with Sea Salt (£43), a product that I received in the LookFantastic Beauty Icons Edit box just like week.

This deep cleansing shampoo, a luxurious treat for your hair, aims to 'remove impurities and restore balance to the scalp' — ideal if you regularly use different products in your hair, like dry shampoo. Revealing her favourites during the 'In My Bathroom' series , Rosie said her stylist recommended the scrub. 'I use a lot of product in my hair, but this (Purifying Scrub) basically cleans and purifies the hair and removes any build-up,' she explained.

'I use it once weekly (...

), and it will leave your hair feeling light and clean.' READ MORE: 'I asked a stranger on a plane for her perfume – the £20 buy has been my signature scent ever since' READ MORE: Face cream loved by Michelle Keegan now has a body version that the whole family can use So, would I love the scrub as much as Rosie does? Let's find out. Let's start with first impressions: the scrub itself smells beautiful, .