Kereffect™ SD is a low molecular weight, hydrolysed keratin with a difference, offering a world of versatile hair styles. It prolongs the hair straightening efficacy of sodium sulphite up to 30 washes, offering a milder alternative to traditional straightening or relaxer systems. On curl types III to V Kereffect™ SD allows reversible, semi-permanent straightening. Meanwhile, on curl types VI to VIII Kereffect™ SD loosens tight curls for naturally defined, more manageable styles.

Kereffect™SD是一种低分子量，水解角蛋白，与众不同，具有多功能发型的世界。它延长亚硫酸钠直发效能达30次，为传统矫直或松弛系统提供温和的替代方案。卷曲类型III至V Kereffect™SD允许可逆的半好久性矫直。同时，在卷曲类型VI到VIII中，Kereffect™SD松散紧密的卷发，使自然定义的，更易于管理的样式。