OUAI Fine Hair Shampoo Refill cleanses and adds lift to limp, thin hair with a lightweight, foaming texture that rinses clean. Formulated for fine or oily scalps, it removes buildup without weighing strands down. The refill format reduces packaging waste. It produces manageable, airy hair that’s easy to style and layered routines targeting volume and softness.
Ingredient Safety
No risk2
Low risk23
Moderate risk1