Silky perfection to win back control. Long-lasting transformation into perfectly smooth and soft hair for up to 3-5 months. For unmanageable, unruly and frizzy hair. Perfect for medium wave and curl reduction: together with the component Keratin Smooth Medium / Intense the Keratin Shape Medium reduces waves and enhances smoothness for 3-5 months. The Kerasilk KeraTransform Technology™ (KT3) fuses the power of three ingredients to deliver beautiful hair transformations. All Kerasilk Control products contain the segment specific ingredient Glyoxylic Acid, Modified Keratin and Color Caring Silk. Long-lasting results thanks to high-performing KeraShape Technology - deeply penetrates to interact with the hair's structure.