Dare to Show Your Best Hair: Dermina 3-Step Hair Revival Challenge Description: Are you tired of weak lifeless locks? Ready to unleash your inner mane goddess? Then take the Dermina Challenge to revive hair in two steps!   This powerful ampoule shampoo is designed to transform your hair from dull to gorgeous in just weeks. Step 1: Overcome oily strands and scalp problems with Dermina Purifying Shampoo. This gentle and effective cleanser removes dirt, build-up and excess oil without stripping your hair of its moisture.