OUAI Thick Hair Shampoo & Conditioner Set — 10 fl oz Duo, Sulfate-Free Hydration & Keratin Frizz Control

OUAI Thick Hair Shampoo and Conditioner Set is a sulfate-free, hydrating shampoo and conditioner duo formulated with keratin, shea butter, marshmallow root, and avocado oil to strengthen, smooth, and reduce frizz in thick hair.

Thick hair often needs heavier hydration without added weight or harsh detergents. This OUAI set balances salon-grade moisture and frizz control with a lightweight finish, keeping color-treated strands safe while restoring softness and manageability. The pair is made free from sulfates, parabens, phthalates, and gluten, and carries OUAI’s signature fragrance for a polished at-home routine.

How will this duo improve the texture of thick, unruly hair?

The formula targets coarse cuticles and split ends to create a smoother surface that reflects light and feels softer to the touch. Keratin helps reinforce strands while emollients like shea butter and avocado oil replenish lipids to reduce breakage and friction during styling.

• Keratin fortifies hair shafts to help reduce snap and brittleness.
• Shea butter and avocado oil restore moisture and improve slip for easier detangling.
• Marshmallow root enhances softness and smooths the cuticle.

Will this shampoo and conditioner weigh my hair down?

The system is formulated to deliver deep hydration without leaving a heavy residue, so thick hair can retain volume while feeling conditioned. Ingredients are selected to hydrate internally and smooth externally, avoiding the greasy film some heavy treatments leave behind.

• Sulfate-free cleanser preserves natural oils and color without over-stripping.
• Conditioner gives targeted moisture with a balanced, non-greasy finish.
• Designed for thick textures—adds manageability while preserving body.

How does this set handle frizz and humidity?

By smoothing cuticles and replenishing lipids, the shampoo and conditioner help hair resist humidity-related swelling and static. Regular use improves strand alignment, so air-drying or heat styling produces sleeker, longer-lasting results.

• Cuticle-smoothing ingredients reduce surface roughness that traps moisture and causes frizz.
• Hydrating oils and butters seal moisture balance to limit puffiness in humid conditions.
• Improved manageability reduces the need for heavy styling products that can weigh hair down.

Is this safe for color-treated or chemically processed hair?

The gentle, sulfate-free shampoo cleanses without aggressive detergents that can strip color, and the restorative conditioner supports fragile strands. While it’s formulated to be color-safe, always patch-test if you use specialized salon treatments or have recent chemical services.

• Sulfate-free formula helps maintain color vibrancy longer.
• Keratin and nourishing oils support repair after chemical processes.
• Cruelty-free and formulated without parabens, phthalates, and gluten.

Who is this for: This OUAI pair is designed for people with naturally thick, dry, or coarse hair who want deeper moisture and frizz control without dulling volume. It suits color-treated and chemically processed hair seeking a balanced, salon-quality at-home routine—ideal for anyone who wants smoother, stronger strands with a lightweight finish.

Ingredients

Please refer to the product labels for full list of ingredients.