Maintain the density of thinning hair with the redken cerafill maximize hair advance an intensive treatment for hair at an advanced stage of thinning enriched with an innovative formula to help reduce the rate of hair loss the cerafill maximise hair advance treatment will nourish hair from root to tip to help prevent premature hair loss the new technology will help to strengthen hair strands improving hair density and thickness for a more healthy looking head of hair recommended as a 6 w