As a smoothing shampoo from IGK, Good Behavior Ultra Smoothing Shampoo targets frizz and roughness with a silky, hydrating lather. It suits dry or frizz-prone hair seeking manageability and shine without heavy buildup. The formula feels conditioning yet rinses clean; fragrance-free and designed for regular use by those who prefer sleek, smooth styles.
Ingredient Safety
No risk3
Low risk40
Moderate risk2