Consumer User Trial Results: 87% of users noticed their hair felt thicker and looked fuller. 87% of users said the Tonic was light enough to use daily. 84% of users agreed that Noughty's Get Set Grow routine will give your hair more volume. 80% of users felt more confident about their hair after using Noughty's Get Set Grow routine. *12 week consumer study on 109 women and men using the shampoo, conditioner and tonic.