OUAI Medium Hair Shampoo, 32 oz Refill — Hydrating Sulfate-Free Formula for Color-Treated, Dry Scalp

OUAI Medium Hair Shampoo is a sulfate-free, hydrating cleanser formulated to nourish medium-texture and color-treated hair while reducing breakage and adding shine.

This 32 oz refill-size shampoo is designed for hair that’s neither fine nor thick, delivering moisture without weighing strands down. The formula combines coconut and babassu oils with keratin and kumquat extract to strengthen, smooth, and restore radiance to dry, chemically treated, and frizz-prone hair. It’s free of sulfates, parabens and phthalates, cruelty-free, and safe for color and keratin treatments.

How does this shampoo help medium-texture hair feel healthier?

OUAI’s Medium Hair Shampoo balances lightweight moisture and reinforcement so medium hair gains softness and bounce without becoming limp. Keratin helps smooth fiber cuticles while babassu and coconut oils restore hydration and reduce split-ends.

• Keratin smooths and detangles for less friction and breakage
• Babassu oil hydrates scalp and strands without heaviness
• Coconut oil seals ends to reduce breakage
• Kumquat extract restores surface shine

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

Yes — the gentle, sulfate-free formula cleans without stripping salon color or undoing keratin treatments. Ingredients are selected to preserve vibrancy while improving manageability and shine.

• Sulfate-, paraben- and phthalate-free for color protection
• Formulated to be safe after keratin or chemical services
• Cruelty-free and gluten-free for conscientious routines

What routine delivers the best results with this shampoo?

Use OUAI Medium Hair Shampoo on wet hair, massage into the roots, and work through to the ends before rinsing. Follow with OUAI Medium Conditioner and layer OUAI Hair Oil on damp or dry hair to lock in hydration, enhance shine, and tame frizz.

• Apply to roots, emulsify, and rinse thoroughly
• Pair with OUAI Medium Conditioner for smoothing and hydration
• Finish with OUAI Hair Oil to boost shine and frizz control
• Refill format keeps your bathroom routine sustainable

Will this help a dry scalp as well as dry lengths?

The formula supports scalp moisture while focusing on strand health; babassu oil hydrates the scalp and coconut oil conditions ends. For persistent scalp conditions, consult a dermatologist, but many users notice reduced dryness and more comfortable hair days.

• Babassu oil soothes and moisturizes the scalp
• Hydrating oils help restore softness to dry lengths
• Non-stripping cleansing maintains natural scalp balance

Who this is for: OUAI Medium Hair Shampoo is built for people with medium-density hair seeking a salon-safe, fragrance-forward cleanser that protects color, tames frizz, and improves strength. It’s ideal if your hair is chemically processed, experiencing breakage, or needs shine without extra weight. Choose the 32 oz refill to keep your favorite formula on hand and reduce packaging waste while maintaining a professional-level routine.

Ingredients

Aqua (Water, Eau), Sodium C14-16 Olefin Sulfonate, Cocamidopropyl Betaine, Sodium Methyl Cocoyl Taurate, Cocamide Mipa, Glycol Distearate, Parfum (Fragrance), Amodimethicone, Hydroxypropyl Guar Hydroxypropyltrimonium Chloride, Glycerin, Citrus Japonica Fruit Extract, Panthenol, Hydrolyzed Keratin, Polyquaternium-7, Orbignya Oleifera Seed Oil, Cocos Nucifera (Coconut) Oil, Peg-150 Distearate, Sodium Lauroyl Glycinate, Cetrimonium Chloride (Anti-Static Agent/Agent Antistatique), C11-15 Pareth-7, Laureth-9, Trideceth-12, Cocoglucosides Hydroxypropyltrimonium Chloride, Acrylates Copolymer, Tocopherol, Peg-200 Hydrogenated Glyceryl Palmate, Peg-7 Glyceryl Cocoate, Disodium Edta, Citric Acid, Sodium Chloride, Sodium Hydroxide,, Tetrasodium Edta, Phenoxyethanol, Sodium Benzoate, Potassium Sorbate, Benzyl Alcohol, Benzyl Salicylate, Limonene, Hexyl Cinnamal, Ci 15985 (Yellow 6)