Sebastian Professional Twisted Elastic Curl Mask nourishes and strengthens the hair whilst shielding against humidity. It helps with fighting frizz, adds moisture and transforms kinks into head-turning, bouncy curls. The Flexi Alg™ Complex, a breakthrough technology with red seaweed extract infuses curls with the same elasticity of underwater plants to resist the stress of elemental forces. A special blend of Carrageenan, Panthenol and Glycerin brings elasticity, bounciness, moisture, definition and anti-frizz protection to curly hair.