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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.
OUAI shampoo bottle with ingredient information on a white background
Ouai fine hair shampoo bottle styled with a pink rose, lemon slices, and jasmine flowers on a white background, with text reading 'MERCER STREET FRAGRANCE Notes of: ITALIAN LEMON, TURKISH ROSE, IRIS & WHITE MUSK'.
Before and after comparison of a woman with long blonde hair, wearing a white top.
OUAI Fine Hair Shampoo being dispensed from bottle into open palm.
Person washing long hair with shampoo lather in a shower, back view.
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.
OUAI shampoo bottle with ingredient information on a white background
Ouai fine hair shampoo bottle styled with a pink rose, lemon slices, and jasmine flowers on a white background, with text reading 'MERCER STREET FRAGRANCE Notes of: ITALIAN LEMON, TURKISH ROSE, IRIS & WHITE MUSK'.
Before and after comparison of a woman with long blonde hair, wearing a white top.
OUAI Fine Hair Shampoo being dispensed from bottle into open palm.
Person washing long hair with shampoo lather in a shower, back view.

Fine Hair Shampoo

For fine hair, this color-safe, thickening shampoo adds volume & bounce and smells as good as it looks.

Size:
FULL SIZE (10 OZ) TRAVEL (3 OZ) JUMBO (16 OZ) REFILL (32 OZ)
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This color-safe shampoo breathes life into fine, flat hair with strengthening keratin, biotin, and nourishing chia seed oil. Hair is left clean, bouncy, and full of volume, so you can finally be fine with being fine. Follow with Fine 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 Fine Conditioner.

ingredients

Water / Aqua / Eau, Sodium C14-16 Olefin Sulfonate, Cocamidopropyl Betaine, Sodium Methyl Cocoyl Taurate, Peg-200 Hydrogenated Glyceryl Palmate, Cocamide Mipa, Fragrance / Parfum, , Panthenol, Cocoglucosides Hydroxypropyltrimonium Chloride, Hydrolyzed Keratin, Biotin, Salvia Hispanica Seed Oil, 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

As always, all of our products are:
Paraben-Free, Cruelty-Free, Gluten-Free, Phthalate-Free, SLS and SLES-Free

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Fine Hair Shampoo

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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

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Overall rating: 4.592282 / 5 from 1192 reviews.

AI Generated Review Summary

Fine Hair Shampoo is praised for its ability to enhance hair fullness, strength, and shine. Customers appreciate its wonderful fragrance, effective scalp cleaning, and the healthy, shiny look it imparts. The shampoo's great volume and manageability, along with its amazing lather, contribute to a satisfying hair care experience.

Summary topics

  • Fragrance (4%): It was observed by customers that the fragrance of the product is wonderful and amazing, making it the most common opinion.
  • Hair Feel (42%): A substantial number of customers raved about how this shampoo made their hair feel amazing and healthier.
  • Scalp Cleanliness (3%): It was reported by customers that this shampoo effectively cleans the scalp and doesn't irritate the scalp.
  • Hair Appearance (4%): It was noted by customers that this shampoo and conditioner leaves their hair looking healthy and shiny.
  • Hair Volume (4%): Customers raved about the great volume and manageability of the Ouai thin hair shampoo.

Review topics: ["size","weight","feels","smells","quality","husband","improvement","problem","results","look","packaging","shipping","texture","hair","amount","price","fragrance","bottle","volume","shampoo","scalp","body","formula","conditioner","balance","residue","ingredients","lather","compliments","oil"].

Review highlights

  • "Nice shampoo lathers well had a nice smell and leaves my hair feeling very clean ." — Missy S.
  • "MY scalp feels great and my hair feels clean!" — Sarah H.
  • "My hair is soft, my scalp is not irritated and my hair smells fantastic." — JAMIE H.

Reviews

Smells SO good

"I was traveling with a friend about 3 years ago and she had this shampoo/conditioner. I ordered my own before I even used it because it smells incredibly good. But then I became a regular user and boy howdy! do I love how it makes my fine, 2c curls look and feel."

— sav (5/5)

Should have different scents available

"They should make this shampoo in different scents. The Ouai products I had used before were the Melrose Place scent which I love. You can’t smell the different scents even if you find them in a store because they are sealed so I decided to just buy it and try it out, and I’m sorry I did because I don’t like the scent at all."

— Erin B. (2/5)

"The best thin hair care regimen I’ve EVER used, (I’m in my mid-40s) If you have thin hair, you’ll be amazed. I promise. The smell is so good, I’d wear it as perfume 😘"

— Mandy (5/5)

"I am extremely impressed with this product; it is ideal for thin hair, and the fragrance is exceptional.🥰🥰🥰 and I'm so happy with the free pouch! 👝"

— Lovi (5/5)

Best Shampoo Ever

"This stuff smells wonderful and I love the way it makes my hair look and feel! Just have to go really light on the conditioner or it will leave your hair a little oily"

— Pamela G. (5/5)

Best shampoo for fine hair

"I have tried so many shampoos for my fine hair, but always come back to this one. It leaves my hair feeling healthy and “full of life”. And the scent is incredible."

— Edita C. (5/5)

Takes me to a happy place

"This shampoo and conditioner for fine hair smells wonderful and makes my hair feel full and soft. It’s my favorite part of the day!"

— Sandy N. (5/5)

Reducing my carbon footprint!

"I love this produce and now that I can buy the refills I am thrilled. Working hard to reduce my carbon footprint while still looking and smelling marvelouse."

— Susan W. (5/5)

"Loved the products but the shampoo was leaking during transport. It was a gift so we did not realize until the present was opened."

— Jeanette (3/5)

Not perfect but nice

"Was excited to try your fine hair shampoo as my mother raves about it. I found it made my hair very soft but gave no volume at all."

— Jennifer H. (4/5)

Q&A

How to open bottle that does not have pump fine hair shampoo.
Hi Linda, Our standard-size Fine Hair Shampoo does not come with a pump. To open, look for the small indentation on the cap and press down on that area — the lid will pop open for easy use. ✨ I hope this helps! Please let us know if you have any further questions :).
If it sulfate free why is sulfate listed as an ingrident and sodium? Is it actually color safe?
Hi Maya, That's a great question-- All OUAI products are produced without the use of parabens, phthalates, and sulfates. The ingredient you are referring to Sodium C14-15 Olefin Sulfonate, is not a sulfate. Sodium C14-16 Olefin Sulfonate" (also known as Sodium C14-16 Alpha Olefin Sulfonate or AOS) is not the same as a sulfate; it's an olefin sulfonate, a different class of anionic surfactant with similar cleansing properties but a slightly different chemical structure. All of our products are SLS and SLES free. Which means OUAI uses alternative ingredients to help cleanse and nourish. Hope this helps!
Hello Ouai I LOVE YOUR PRODUCTS! especially the smell! But which of your four scents is the fine hair shampoo and conditioner?
Hi Kamille, Our Fine Hair Shampoo has the Mercer Street scent. It is is an outspoken fragrance that a-OUAI-kens the senses with notes of Italian lemon, Turkish rose, jasmine sambac, iris, lily, and white musk.
Is this product vegan?
Hi Maddie! Our Shampoos and Conditioners (including Fine Hair Shampoo) contain hydrolyzed keratin which comes from sheep's wool--no worries, no sheep was harmed during the process (they are basically being groomed)! OUAI Haircare products are produced without the use of parabens, phthalates and sulfates.
How often can I use a fine shampoo?
You can use our FINE HAIR Shampoo as often as often as you'd like! Some customers prefer it as their daily/regular shampoo. However, our Daily Care Shampoo's are tailored to be used as often as your hair needs!