Batiste, the world’s no. 1 dry shampoo brand, is opening a pop-up to offer samples and help consumers keep their hair feeling fresh throughout festival season, to “own the occasion and express themselves confidently”. Visitors will receive free samples of Batiste’s bestselling Dry Shampoo and get the chance to enjoy quick touch-ups at the hair station. There will also be photo opportunities at their instagrammable flower wall and a live…