- Light hold helps support volume and makes hair more manageable. Free of sulfates, parabens, gluten & sodium chloride. For all types of hair. Diameter-boosting formula plumps each hair strand; use every day. Protects hair from damaging heat styling and UV rays; preserves haircolor. Organic Bamboo increases the diameter of each hair fiber from within, so hair becomes thicker. Spray on to towel-dried hair and leave in. Blow dry for maximum volume.