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Shampoos

Meet the shampoos that started it all. Fine, medium, thick, or in serious need of a reset — the formula's built around your hair, not a guess at it. No sulfates, no parabens, no phthalates, no gluten, just a wash that does its job and smells like heaven too. Find yours, then say yes OUAI to a better hair day.

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An amber OUAI shampoo bottle stands upright on a warm cream surface beneath a translucent cap. Text: “OUAI”, “DETOX SHAMPOO”, “SHAMPOOING DÉTOX”, “ALL HAIR TYPES”, “TOUS LES CHEVEUX”, “10 fl oz / 300 ml”.
Allure Best of Beauty Award 2026 logo on a red background
 
OUAI Detox Shampoo bottle being splashed with water, creating foam and bubbles.
Best seller

Detox Clarifying Hair Shampoo
$34
A translucent OUAI Fine Hair Shampoo bottle containing pale yellow liquid stands upright on a warm cream surface. Text: “OUAI”, “FINE HAIR”, “CHEVEUX FINS”, “SHAMPOO”, “SHAMPOOING”, “10 fl oz / 300 ml”.
 
OUAI Fine Hair Shampoo bottle balanced on a sudsy, wet palm.

Fine Hair Shampoo
$32
OUAI Medium Hair Shampoo 10 fl oz bottle displayed on neutral background.
 
OUAI Medium Hair Shampoo bottles, one upright one lying, white background.

Medium Hair Shampoo
$32
OUAI Thick Hair Shampoo, 300ml peach bottle with white pump cap.
 
OUAI Thick Hair Shampoo 300ml held up by a hand against white background.

Thick Hair Shampoo
$32
Two OUAI Fine Hair shampoo and conditioner bottles stand side by side on a cream studio surface, comprising a translucent yellow shampoo bottle and opaque ivory conditioner bottle.
 
OUAI Fine Hair Shampoo and Conditioner held up against white background.
Exclusive

Fine Hair Shampoo and Conditioner Set
$64
Two standard-size OUAI Medium Hair shampoo and conditioner bottles stand side by side, featuring translucent amber shampoo and opaque cream conditioner packaging.
 
OUAI shampoo and conditioner bottles with water splashes on a gray background
Exclusive

Medium Hair Shampoo & Conditioner Set
$64
OUAI Thick Hair Shampoo and Conditioner 300ml bottles displayed together on neutral background.
 
OUAI Thick Hair Shampoo and Conditioner bottles splashed with water droplets.
Exclusive

Thick Hair Shampoo & Conditioner Set
$64
OUAI Anti-Dandruff Shampoo 2% Salicylic Acid 300ml in mint green bottle
 
OUAI Anti-Dandruff Shampoo 2% Salicylic Acid bottle surrounded by bubbles and foam.

Anti-Dandruff Hair Shampoo
$38
OUAI Detox Shampoo jumbo pump bottle, 16 fl oz
Allure Best of Beauty Award 2026 logo on a red background
 
OUAI Detox Shampoo bottle held by hand with water splashing dramatically around it.

Detox Clarifying Hair Shampoo - Jumbo
$46
A jumbo translucent OUAI Fine Hair Shampoo pump bottle containing pale yellow liquid stands against a warm cream background. Text: “OUAI”, “FINE HAIR”, “CHEVEUX FINS”, “SHAMPOO”, “SHAMPOOING”, “16 fl oz / 474 ml”.
 
OUAI Fine Hair Shampoo 16oz bottle surrounded by soap bubbles and foam.
Best seller

Fine Hair Shampoo - Jumbo
$44
OUAI Medium Hair Shampoo 16 fl oz pump bottle on neutral background
 
OUAI Medium Hair Shampoo bottle surrounded by bubbles on a glass shelf.
Best seller

Medium Hair Shampoo - Jumbo
$44
OUAI Thick Hair Shampoo 16 fl oz pump bottle on neutral background
 
OUAI Thick Hair Shampoo 16oz bottle covered in lather on glass shelf
Best seller

Thick Hair Shampoo - Jumbo
$44
Two jumbo OUAI Fine Hair shampoo and conditioner pump bottles stand side by side, with pale yellow translucent shampoo and opaque ivory conditioner packaging.
 
OUAI Fine Hair Shampoo and Conditioner bottles splashed with water on glass shelf.
Exclusive

Fine Hair Shampoo & Conditioner Jumbo Set
$88
Two jumbo OUAI Medium Hair shampoo and conditioner pump bottles stand side by side, with amber-toned shampoo and cream conditioner packaging against a neutral studio background.
 
OUAI Medium Hair shampoo and conditioner bottles splashed with water droplets
Exclusive

Medium Hair Shampoo & Conditioner Jumbo Set
$88
OUAI Thick Hair Shampoo and Conditioner 16 fl oz pump bottles displayed together.
 
OUAI Thick Hair Shampoo and Conditioner bottles drenched in water splashing dramatically.
Exclusive

Thick Hair Shampoo & Conditioner Jumbo Set
$88
OUAI Detox Shampoo travel-size bottle, 3 fl oz
Allure Best of Beauty Award 2026 logo on a red background
 
OUAI Detox Shampoo 3fl oz bottle held up by a hand.

Detox Clarifying Hair Shampoo - Travel
$16
A travel-sized translucent OUAI Fine Hair Shampoo bottle stands upright against a cream studio background. Text: “OUAI”, “FINE HAIR”, “CHEVEUX FINS”, “SHAMPOO”, “SHAMPOOING”, “3 fl oz / 89 ml”.
 
A hand with long, manicured light pink nails holds a frosted bottle of OUAI Fine Hair Cheveux Fins Shampoo against a clean white background.

Fine Hair Shampoo - Travel
$16
OUAI Medium Hair Shampoo, 3 fl oz bottle, cream-colored with pump top.
 
OUAI Medium Hair Shampoo 3oz bottle held up by a manicured hand.

Medium Hair Shampoo - Travel
$16
A single product shot of The OUAI Thick Hair Shampoo 89ml
 
A hand with long, manicured light pink nails holds a bottle of OUAI Thick Hair Shampoo against a clean white background.

Thick Hair Shampoo - Travel
$16
OUAI Detox Shampoo refill pouch, 32 fl oz
Allure Best of Beauty Award 2026 logo on a red background
 
OUAI Detox Shampoo 10oz bottle and 32oz refill pouch on white background.

Detox Clarifying Hair Shampoo - Refill
$68
A white OUAI Fine Hair Conditioner refill pouch stands upright on a warm cream studio surface. Text: “OUAI”, “FINE HAIR”, “CHEVEUX FINS”, “CONDITIONER”, “REVITALISANT”, “32 fl oz / 946 ml”.
 
OUAI Fine Hair Shampoo 32oz refill pouch angled on white background.

Fine Hair Shampoo - Refill
$64
OUAI Medium Hair Shampoo 32 fl oz refill pouch on neutral background.
 
OUAI Medium Hair Shampoo refill pouch in a warm off-white color, featuring black text and a spout cap, photographed on a clean white background with a soft shadow.

Medium Hair Shampoo - Refill
$64
OUAI Thick Hair Shampoo 32 fl oz refill pouch on neutral background.
 
OUAI Thick Hair Shampoo refill pouch in a pale pink color, featuring black text and a white spout, photographed on a clean white background with a soft shadow.

Thick Hair Shampoo - Refill
$64

Meet the shampoos that started it all. Fine, medium, thick, or in serious need of a reset — the formula's built around your hair, not a guess at it. No sulfates, no parabens, no phthalates, no gluten, just a wash that does its job and smells like heaven too. Find yours, then say yes OUAI to a better hair day.