The Bi-Phase Finishing Treatment Provides Velvety And Lightweight Hair, Just Like Silk. Cristalli Di Seta Illuminates, Gently Softens, Brings Shine And Lightness To Your Hair. Instant Hair Make-Over Provides Immediate Gloss, Shine, Silkiness, Softness, Manageability And Protection Recommended For Fine Hair Safe On Color-Treated Hair Shake The Smoothing Serum Before Use To Mix, Then Apply A Few Drops On Damp Or Dry Hair.