Sensitive tonic by Wella SP calms and regenerates sensitive scalps. The moisturizing tonic relieves itchiness. Tip for use: It is great for the winter, when dry, heated air may aggravate sensitive scalps.How to Use:Apply to towel-dried hair, directly to the scalp. Massage gently and do not rinse. Daily use. The moisture content of the scalp is increased, its elasticity is restored and the grease production is regulated.