Using professional equipment and instruments to test the styling ability of hair during perm can provide accurate softening data during softening, reduce the phenomenon of inaccurate judgment of technicians during softening, and thus ensure the success rate of perm.

Controlling and maintaining the self-activity function of hair can not only build a protective film on the hair surface, but also quickly enter the hair, strengthen the disulfide bond in cx- keratin, and make the hair curl naturally and elastically.

Restore the original elasticity, texture, luster and toughness of the hair after perm, so as to achieve the best shaping effect.