Q&A: - What is Curl Expression? Curl Expression is the first professional care program developed in collaboration with curl experts to provide optimal moisture for your curls and waves. The products in the range contain glycerin, urea, and hibiscus seeds. - Who is Curl Expression for? Curl Expression is designed for women with wavy, curly, and frizzy hair. The S-shaped roots of the hair prevent the natural formation of oils along the hair lengths, resulting in poorer moisture distribution throughout the curls. Curl Expression delivers the essential moisture needed. - What are the main ingredients of Curl Expression? The main ingredients of Curl Expression are glycerin for long-lasting moisture, Urea H for softer hair, and hibiscus seeds for added strength, shine, and smoothness.