The ISO - Option 3 Perm uses thio-free ingredients specially designed to diffuse more evenly than conventional formulas, while minimizing swelling of the hair shaft. It delivers highly defined curls while reducing potential damage. This option is ideal for creating extra-firm curls on normal to resistant hair with medium to coarse texture.

FEATURES:
Ideal for normal to resistant hair and colored hair
Thio-free
Reduces swelling of the hair shaft
Creates very firm, defined, and long-lasting curls
Less damaging than traditional perms
Preserves the hair’s internal structure