The Twisted Waves and Curls Mask by Sebastian nourishes and strengthens the hair. In addition, the hair mask protects against humidity, frizz and dehydration. Seemingly untamable knots are transformed with the Flexi Alg™ complex into elastic waves and curls that attract all eyes.Application: Apply the hair mask generously to towel-dried hair and leave on for about 3 to 5 minutes. Then rinse generously. Use once or twice a week.Twisted - waves and curls full of elasticity for up to 48 hours. Moisture is locked in, waves and curls are defined.