Bed Head DUMB BLONDE Shampoo 400 ml Go back to your roots with Dumb Blonde pH-balanced shampoo, with keratin and milk protein, to help reconstruct and care for chemically treated hair. Getting blondes back to their brilliant best. How to Use Wet hair thoroughly, lather and rinse. Use daily to help reconstruct and protect chemically treated hair. For best results follow with Bed Head Dumb Blonde Reconstructor.