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A side-by-side before and after comparison of a woman with long dark wavy hair, showing the effect of a hair product. The left side is labeled 'BEFORE' and shows frizzy, less defined hair; the right side is labeled 'AFTER' and shows smoother, shinier, more styled hair.
OUAI Medium Shampoo bottle on a white background, styled with a pink rose, lemon slices, jasmine blossoms, and text reading 'MERCER STREET FRAGRANCE Notes of: ITALIAN LEMON, TURKISH ROSE, IRIS & WHITE MUSK'.
OUAI Medium Shampoo bottle on a white background, styled with a pink rose, lemon slices, jasmine blossoms, and text reading 'MERCER STREET FRAGRANCE Notes of: ITALIAN LEMON, TURKISH ROSE, IRIS & WHITE MUSK'.
Two standard-size OUAI Medium Hair shampoo and conditioner bottles stand side by side, featuring translucent amber shampoo and opaque cream conditioner packaging.
Exclusive
OUAI shampoo and conditioner bottles with water splashes on a gray background
OUAI Babassu Fruit & Coconut Oil Shampoo in a frosted beige bottle, shown with callout lines and text describing its ingredients: Kumquat Fruit Extract, Coconut Oil, and Babassu Oil.
OUAI conditioner bottle in off-white with black text, surrounded by white whipped cream and callout lines pointing to ingredients: Kumquat Fruit Extract, Coconut Oil, and Babassu Oil.
A side-by-side before and after comparison of a woman with long dark wavy hair, showing the effect of a hair product. The left side is labeled 'BEFORE' and shows frizzy, less defined hair; the right side is labeled 'AFTER' and shows smoother, shinier, more styled hair.
OUAI Medium Shampoo bottle on a white background, styled with a pink rose, lemon slices, jasmine blossoms, and text reading 'MERCER STREET FRAGRANCE Notes of: ITALIAN LEMON, TURKISH ROSE, IRIS & WHITE MUSK'.
OUAI Medium Shampoo bottle on a white background, styled with a pink rose, lemon slices, jasmine blossoms, and text reading 'MERCER STREET FRAGRANCE Notes of: ITALIAN LEMON, TURKISH ROSE, IRIS & WHITE MUSK'.

Medium Hair Shampoo & Conditioner Set

Does your hair swing both OUAI’s? If you’re somewhere in between fine hair problems and thick hair problems, wash your way to a happy medium with this hydrating shampoo that cleanses, nourishes, and revives shine for medium hair types.
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If your hair type is stuck in the middle this hydrating shampoo cleanses, fights frizz, hydrates  and revives shine for medium hair by using a fusion of keratin and kumquat extract, plus babassu and coconut oils. Follow with Medium Conditioner for best results.

IS THIS RECYCLABLE?
Yes, I am fully recyclable!

How to use

Thoroughly wet hair from roots to ends.
Lather a quarter-size amount in your hands, then work into roots and anywhere hair touches the scalp.
Rinse shampoo. Make sure to squeeze out excess moisture before pairing with Medium Conditioner.

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Medium Hair Shampoo & Conditioner Set

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THE SCENT:
MERCER STREET

TOP NOTES

Italian lemon, orange, peony, iris, lily

MIDDLE NOTES

Magnolia, jasmine, rose damask

BASE NOTES

Musk, orris

OUAI medium hair Shampoo bottle, styled in a flat lay with pink roses, lemon slices, and jasmine flowers on a white background.

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Overall rating: 4.665716 / 5 from 1403 reviews.

AI Generated Review Summary

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Review highlights

Reviews

The pump doesn't work so well

"I love this shampoo - it's great for my curly hair and smells amazing - but this pump bottle is not so great. The pump doesn't work very well. Something about the mechanism means the part connected to the bottle (not the part where the actual shampoo comes out) leaves it always covered in shampoo, and makes it harder to pump. I'm constantly having to clean the bottle, which isn't an issue I have with my other pump based products. I will be repurchasing the shampoo but not this particular bottle."

— Sophie M. (3/5)

Smell is awful

"My hair feels fine but after one use I'm never going to use it again. The smell is awful - its so strong and smells like old lady perfume. Ive been inhaling it off myself for the last 12 hours and its suffocatingly strong."

— Isabelle (2/5)

My hair smells amazing and is so soft

"I’ve tried numerous brands and this is the best for my hair by far. I am 53 and am noticing that along with hair loss, the texture of my hair is changing. Also, my sense of smell is heightened, so this shampoo and conditioner duo helps to clean, condition and make my hair smell amazing for a few days at a time."

— Chetna F. (5/5)

Smell is awful

"The smell is so strong and stays on you the entire day. It’s like sour old leaf perfume."

— Isabelle J. (1/5)

Luxurious

"This is the most luxurious conditioner I’ve used in years. I have somewhat damaged hair from years of root dye/highlighting and this allows my wet brush to go through beautifully."

— Lucienne A. (5/5)

Love this conditioner. Leaves my

"Love this conditioner. Leaves my hair soft, smooth and smelling good."

— Alondra M. (5/5)

"Good shampoo! Love the smell . pretty expensive though"

— Zayra (5/5)

"Smell is overwhelming not a good smell. Cannot figure out how to return or exchange for something different."

— Kristine (1/5)

"The moisture this brought back to my strands!"

— Graciela (5/5)

Just OK

"I really want to love this co dictionary but it leaves my hair feeling a bit greasy and dull. It smells great!"

— Meghan H. (3/5)

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