Designed to add body and thickness, OUAI Thick Hair Shampoo delivers a creamy lather and medium-weight rinse suited for fine to thinning hair. Gentle enough for frequent use, it works well for color-treated strands and those seeking volume. Vegan-friendly and formulated for everyday texture, it balances cleansing with hydration for fuller-looking results.
Ingredient Safety
No risk2
Low risk39
Moderate risk3