Key Features and Benefits:

Frizz Control: This shampoo is primarily formulated to combat frizz and flyaways. When used with the complementary conditioner, it can provide up to 72 hours of frizz control.

Key Ingredients: The formula is enriched with Keratin Protein and Marula Oil (or sometimes Argan Oil, depending on the specific product line). Keratin is a protein that is a natural building block of hair, and these oils provide lightweight, nourishing moisture to boost shine and softness.

Five Benefits in One: The TRESemmé Keratin Smooth system is often marketed as providing five benefits in one wash:

Fights frizz.

Detangles knots.

Boosts shine.

Adds softness.

Tames flyaways.