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Details & care
What it is: This color-safe shampoo breathes life into fine, flat hair.
What it does: An incredible do-it-all formula that tackles the most common concerns for your hair type. It strengthens, hydrates, thickens and nourishes your hair. The intoxicating formula is scented with Mercer Street, a rose fragrance with notes of Italian lemon, jasmine and white musk.
How to use: Apply to hair and rinse thoroughly.
- 10 oz.
- Bottles and caps are fully recyclable and made with 20% post-consumer recycled materials
- Paraben-free; sulfate-free; phthalate-free
- Cruelty-free
- Made in the USA
- Item #6053445
Ingredients
Ingredients; Aqua (Water, Eau), Sodium C14-16 Olefin Sulfonate, Cocamidopropyl Betaine, Sodium Methyl Cocoyl Taurate, Peg-200 Hydrogenated Glyceryl Palmate, Cocamide Mipa, Parfum (Fragrance), Panthenol, Cocoglucosides Hydroxypropyltrimonium Chloride, Hydrolyzed Keratin, Biotin, Salvia Hispanica Seed Oil, Cannabis Sativa Seed Extract, Cetrimonium Chloride (Anti-static Agent/agent Antistatique), Hydroxypropyl Guar Hydroxypropyltrimonium Chloride, Glycerin, Sodium Lauroyl Glycinate, Peg-150 Distearate, Propoxytetramethyl Piperidinyl Dimethicone, Trideceth-6, C11-15 Pareth-7, Peg-7 Glyceryl Cocoate, Sodium Chloride, Polyquaternium-7, Disodium Edta, Citric Acid, Sodium Hydroxide, Tetrasodium Edta, Potassium Sorbate, Sodium Benzoate, Phenoxyethanol, Benzyl Alcohol, Acetic Acid, Sodium Acetate, Benzyl Salicylate, Limonene, Hexyl Cinnamal
Ingredients are subject to change at the manufacturer's discretion. For the most complete and up-to-date list of ingredients, refer to the product packaging
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OUAI
Hair care company OUAI was founded by hairstylist Jen Atkin, whose celebrity clients include the Kardashian, Jenner and Hadid sisters, Katy Perry and Chrissy Teigen. Atkin says, "Hair care has become so serious. With OUAI, I wanted to create a breath of fresh hair … for real life, for real women. Luxury products that are simple, affordable and classic."
Most helpful positive review
Oct 27, 2020
Game changer
This shampoo was a game changer. It's really quite expensive for the small amount you get, but I know I'm still going to keep buying this nonetheless. The scent isn't my favorite, but my hair has honestly never looked so good. My hair has always been thin with little to no body or texture, and this shampoo has completely changed that. I just let my hair air dry after finishing with this fine shampoo and conditioner combo and I look like I just walked out of a salon. It's full of body and has a slight textural wave to it. I don't know what they put in this stuff but holy wow. TAKE MY MONEY OAUI
AJProz
Verified purchase
11found this helpful
Most helpful critical review
Mar 2, 2026
Not impressed
After loving the detox shampoo I was tempted to buy the fine hair version along with the conditioner to use on a more regular basis. I’m so glad I didn’t waste my money and tried a sample first. I have long, straight, fine yet dense hair so I thought this product sounds perfect for me but I was wrong. It left my hair feeling very dry that no amount of conditioner could help fix. I also noticed that my hair got greasy much quicker. I didn’t mind the scent but it is very strong.
Harrie1
Reposted from spacenk.com
5 stars
58%
4 stars
24%
3 stars
10%
2 stars
4%
1 star
4%
Sort by Most Helpful
AJProz
Verified purchase
Oct 27, 2020
Game changer
This shampoo was a game changer. It's really quite expensive for the small amount you get, but I know I'm still going to keep buying this nonetheless. The scent isn't my favorite, but my hair has honestly never looked so good. My hair has always been thin with little to no body or texture, and this shampoo has completely changed that. I just let my hair air dry after finishing with this fine shampoo and conditioner combo and I look like I just walked out of a salon. It's full of body and has a slight textural wave to it. I don't know what they put in this stuff but holy wow. TAKE MY MONEY OAUI
11found this helpful
cloverevers
TOP 500 REVIEWER
Verified purchase
June 23, 2020
Incentivized review
Shine and Body
I love this shampoo! It gives my long colored very fine hair so much shine and body!!! I'm so happy I took a chance and tried this along with the conditioner. (Also has a nice scent) reccomend
7found this helpful
Celeste10
Oct 15, 2020
pretty nice
Smell is clean. The shampoo itself is so drying buying the leave in conditioner or any conditioner is a must.
4found this helpful
Artymis
Verified purchase
Jan 14, 2021
Good at first..
It worked great the first few times, made my hair super light weight and oil free. After a month or so of use though it's made my scalp super itchy and the oil and grease came back after the next day. My skin is a bit on the sensitive side so perhaps so is my scalp but definitely not for me.
3found this helpful
sbshops
Oct 1, 2020
Fantastic Shampoo
Since I have fine hair I decided to try this shampoo after reading all the great reviews. I am so happy I did. This shampoo is perfect for my hair. I love the smell of it and the way my hair feels after using it. I just ordered the conditioner and look forward to using that.
3found this helpful
LizMoRo
Feb 12, 2021
Amazing shampoo to bring life to fine hair!
Love everything about this shampoo. The scent is fragrant but not too bold. I use alternate between the Ouai Fine Hair and the Detox formulas followed by Fine Hair conditioner. Solved my excess conditioner issue. Highly recommend! I’ve tried everything from Store brand, salon and custom shampoos. The cost is steep for the amount but a little goes a long way.
2found this helpful