ISO Option Damage-Free Perm Wave - #3 Extra Firm Curl (Normal/Resistant)
EVERYDAY GREAT PRICE
ISO Option 3 is a thio-free waving option for normal to resistant hair. It is formulated for extra firm curls on normal and resistant hair types with normal to coarse texture.
Best suited for:
- Normal to thick hair
- Grey hair
- Resistant hair
- Coarse hair
- Resistant hair types, plus normal and colour-treated hair with 20 Volume (6%) or less and minimal porosity
Result: Increased body with full circle curl and wave.
Timing: For normal and resistant hair, no test curl is necessary. Process for 20 minutes with built-in stop action. For tinted hair in good condition, take a test curl after 2 minutes and continue every 3–5 minutes. Maximum processing time is 20 minutes.

