Director Hair Straightener: Designed exclusively for professional use only, our Thio-based straightener is a safe and effective way to eliminate wave in hair for up to 90 days. This two-part application takes only 20 minutes and is a great add-on service to boost your bottom line.

Includes:

• Part A: Hair Straightener Tube
• Part B: Hair Straightener Neutralizer Bottle

Features and Benefits:

• Thio-based formula
• 20 minute application
• Straight hair for 60 – 90 days