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OUAI Fine Hair Shampoo - Volumizing Shampoo for Fine, Flat Strands - Made with Biotin, Keratin & Chia Seed Oil - Strengthens, Nourishes & Thickens - Color-Safe & Sulfate Free Hair Care (10 Fl oz)

  • Based on 5,218 reviews
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Availability: Only 10 left in stock, order soon!
Fulfilled by Amazon

Arrives Sunday, Aug 16
Order within 15 hours and 30 minutes
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Size: 10 Fl Oz (Pack of 1)


Style: Fine Hair Shampoo - Full Size


Features

  • Turn The Volume Up - This lightweight, sulfate free shampoo brings fine strands back to life with major bounce and lasting volume.
  • Stronger Strands, Less Breakage - Packed with biotin and keratin, this hair thickening shampoo formula helps reinforce each strand from the inside out.
  • Nourishment You Can Feel - This volume shampoo is made with chia seed oil to deliver deep hydration and shine, leaving hair soft, touchable, and anything but weighed down.
  • How to Use - Lather a quarter-size amount of the moisturizing shampoo into wet hair, focusing on roots. Rinse well, then follow with Fine Conditioner for volume that doesnt quit.
  • OUAI Means Yes - In that casual Parisian way. OUAI is about saying yes OUAI to living boldly. We strive to be something you reach for everyday, so wherever you go, you can go all the OUAI.

Is Discontinued By Manufacturer ‏ : ‎ No


Product Dimensions ‏ : ‎ 2.5 x 2.5 x 5.5 inches; 12.64 ounces


Item model number ‏ : ‎ 2532


UPC ‏ :


Manufacturer ‏ : ‎ Ouai


Best Sellers Rank: #2,172 in Beauty & Personal Care (See Top 100 in Beauty & Personal Care) #53 in Hair Shampoo


#53 in Hair Shampoo:


Customer Reviews: 4.4 4.4 out of 5 stars (3,362)


Item Form: Liquid


Hair Type: Fine


Scent Name: Mercer Street


Other Special Features of the Product: Not Tested On Animals


Product Benefits: Volumizing


Suitable Hair Color: All Hair Colors


Brand Name: OUAI


Age Range Description: Adult


UPC: 815402021269


Model Number: 2532


Manufacturer Part Number: 2532


Manufacturer: Ouai


Liquid Volume: 10 Fluid Ounces


Number of Items: 1


Item Weight: 12.64 ounces


Item Dimensions: 2.5 x 2.5 x 5.5 inches


Unit Count: 10 Fluid Ounces


Material Type Free: Gluten Free, Paraben Free, Phthalate Free, SLS Free, Sodium Laureth Sulfate Free


Active Ingredients: Biotin, Chia Seed Oil, Hydrolyzed Keratin


Recommended Uses For Product: Split Hair


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Aug 16

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
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  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Great Product but very fragrant
Size: 10 Fl Oz (Pack of 1) Style: Fine Hair Shampoo - Full Size
Have have lots of haie but it's very fine. I was looking for a shampoo thst wouldn't weigh it down and this was recommended on every Google search I looked at. I really like it but the scent is very strong. It just smells super clean, less like a perfume scent feom other shampoos. But my hair isn't weighed down, it has volume to it and I noticed a difference after just 1 wash. I plan to keep using it and will buy it again. ... show more
Reviewed in the United States on December 3, 2025 by Lisa Mignone

  • Cleans with a mild, pleasant fragrance
Size: 10 Fl Oz (Pack of 1) Style: Fine Hair Shampoo - Full Size
Lovely, mild fragrance! It was just as Witecutter said “great for fine flyaway hair”. It had great lather and only one soaping needed. The plastic bottle is a little hard for aging hands to squeeze.
Reviewed in the United States on January 1, 2026 by Grey T.

  • Works Really Well on Fine Hair
Size: 10 Fl Oz (Pack of 1) Style: Fine Hair Shampoo - Full Size
I bought this based on a news feed review of best shampoos for various types of hair. This is the best shampoo I’ve used in years. My hair has become finer over time and will lay dead flat if I don’t use some product or other. Now I just lightly blow dry and I’m done. Plus - it smells wonderful.
Reviewed in the United States on January 27, 2026 by Jane M.

  • Amazing shine!
Size: 10 Fl Oz (Pack of 1) Style: Fine Hair Shampoo - Full Size
Amazing product, I have thin hair and this shampoo help me with shine and volume as well as leave my hair really smooth! I will repurchase it.
Reviewed in the United States on February 19, 2026 by Giovanna Gotti

  • QUAI fine hair shampoo
Size: 10 Fl Oz (Pack of 1) Style: Fine Hair Shampoo - Full Size
The shampoo does seem to give volumine to my hair. The only downside is the lingering smell. Don't get me wrong it's a lovely smell, but for me it's a little too strong and lasts forever. I like nice smelling shampoo, but for me it's a little overwhelming.
Reviewed in the United States on February 24, 2026 by nancy

  • Excellent shampoo
Size: 10 Fl Oz (Pack of 1) Style: Fine Hair Shampoo - Full Size
Although quite pricey, you don’t need to use a great deal each time. Works well, and unlike other thin hair shampoos, it doesn’t dry out my scalp and make it itch.
Reviewed in the United States on March 2, 2026 by Prometheus

  • Off The Top Of My Head
Size: 10 Fl Oz (Pack of 1) Style: Fine Hair Shampoo - Full Size
Smells amazing. Gave my fine hair nice volume and lots of shine.
Reviewed in the United States on March 22, 2026 by J24KT

  • Does just what it says it will do
Size: 10 Fl Oz (Pack of 1) Style: Fine Hair Shampoo - Full Size
I really like this shampoo. First time using it, and my fine hair is fluffy and not weighed down like with others. Highly recommend. Smells good too!
Reviewed in the United States on February 3, 2026 by Yenifer

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