Buy of the day | Marie Claire

Dr Bronner's pure castille soap - Beauty Buy of the Day - Marie Claire

£2.99

Whether you're heading to some of this year's hottest festivals (check out our must-see guide, here) or you're going all smug traveller and planning a trip, this handy formula should never leave your side.

Claiming to hold a whopping 18 uses in one small bottle - I've yet to try them all! - Dr Bronner's magic soap should save you from many a sticky fix.

From hand wash, to shampoo, to clothes cleaner and even insect repellent, the organic, fairly-traded wonder product even comes in a handy travel size, so you'll never be without.

And with famous fans including Drew Barrymore, Sandra Bullock and cosmetic connoisseur Bobbi Brown, you know you're on to a winner.

Review by Sarah Karmali

Click to buy Dr Bronner's Pure Castille soap