NUTRAFOL Root Purifier Scalp Microbiome Shampoo 8.1 fl oz / 240 ml NEW Full Size. Brand new unused, top is taped shut as the sticker is missing. This shampoo is gentle and nourishing and invigorates the scalp and hair, preserving the microbiome and creating the optimal ecosystem for healthy hair. Discounting as the top is taped shut instead of including the little sticker!