COLAB Dry Shampoo COLAB is a range of dry shampoos which have been created by one of our favourite UK beauty bloggers, Ruth Crilly, from A Model Recommends. What makes this dry shampoo different from its ‘drug store’ competitors, is that it’s completely sheer and transparent, so it leaves no residue in the hair. As a brunette, I’ve always struggled a bit with dry shampoo because, no matter how thoroughly I massaged/brushed the product through, it always seemed to leave an unslightly chalkish hue and, more often than not, sticky roots. Plus, the ones I used didn’t smell great and they…