What it is: Label.M Thickening Shampoo is a volume-building, gentle cleansing shampoo for any hair type with the exclusive NRG Complex and Time-Release Technology for long-lasting body and lift. What it does: Creates instantly thicker hair from root to tip with long-lasting results. Strengthens and protects while promoting hair growth to leave hair looking healthier, repaired and full of luxurious body. What else you need to know: Achieve long-lasting weightless volume from root-to-tip and instantly visible thickness to any hair type.