- Shampoo for frizzy or unruly hair for a smooth look. Formula characterized by a soft and creamy foam designed to gently cleanse frizzy hair, making it smooth. - Conditioner to control frizzy or curly hair. The conditioning formula moisturizes the hair and helps it restore elasticity eliminating the frizz effect and making the hair shiny. - Lightweight OI All In One Milk is a multi-function leave-in spray treatment that softens, detangles, controls frizz and protects the hair from heat.