Increase the volume of thin and medium hair. Volumizing Tonic provides maximum weightlessness and volume. Certified organic amino acids from aloe and wheat help increase volume and add shine. How to use: Spray on damp hair, focusing on the roots. Dry with a hair dryer, lifting part of the hair and spraying tonic near the scalp. Use a round brush or rollers to add even more volume. It works on all hair lengths, even short ones.