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✨ Elevate your fine hair game with OUAI’s luxe volume boost!
OUAI Fine Shampoo is a 300ml sulfate, paraben, and phthalate-free volumizing shampoo designed specifically for fine hair. Enriched with strengthening biotin, hydrolyzed keratin, and chia seed oil, it delivers weightless body, reduces frizz, and nourishes hair for a fuller, healthier look. Its signature Mercer Street scent offers a lasting, elegant fragrance, making it a must-have for professionals seeking effortless, salon-quality volume and care.

























| ASIN | B084BW599K |
| Age Range Description | Adult |
| Age range (description) | Adult |
| Benefits | Moisturizing, Nourishing, Strengthening |
| Best Sellers Rank | 2,252 in Beauty ( See Top 100 in Beauty ) 105 in Shampoos (Beauty) |
| Brand | OUAI |
| Brand Name | OUAI |
| Country Of Origin | USA |
| Customer Reviews | 4.5 out of 5 stars 3,899 Reviews |
| Hair Type | Fine |
| Hair type | Fine |
| Item Dimensions | 6.4 x 6.4 x 14 centimetres |
| Item Form | Liquid |
| Item Type Name | Shampoo for fine hair |
| Item Weight | 358 g |
| Item form | Liquid |
| Liquid Volume | 10 Fluid Ounces |
| Manufacturer | OUAI |
| Manufacturer Part Number | 2532 |
| Material Type Free | Paraben Free, Phthalate Free, Sodium Laureth Sulphate Free, Sulphate Free, cruelty free |
| Model Number | 2532 |
| Number of Items | 1 |
| Other Special Features of the Product | Vegan |
| Package Size Name | 300ml |
| Recommended Uses For Product | Volumizing, strengthening for fine hair |
| Scent | Mercer Street |
| Scent Name | Mercer Street |
| Suitable Hair Colour | All Hair Colours |
| UPC | 815402021269 |
| Unit Count | 300.0 millilitre |
B**M
Despite what others say....
I have been using Champo for a year and it made little or no difference to thickening my hair. Thought I would try a change and this came up. Look it's ridiculously expensive and I dont for a moment think it will restore hair once the follicle damage has occurred but I LOVE IT! I think it smells expensive and the packaging is chic. You really dont need very much as it lathers like mad - probably means it's full of sulphates - but to me it means that it will last a long time. I have short hair so not overly concerned with drying effect - this may be what makes hair feel fuller. My hair feels weightless and definitely has more body. I'm enjoying it!!
D**E
Very good for fine hair and the smell
I keep coming back to this shampoo can’t fault how good it is. Was well packed and absolutely no leakage I ordered many times before. The smell is Devine and has the best staying smell even can be smelt days later on the hair
A**R
Lovely shampoo
Nice gentle shampoo. I haven't particularly noticed it making my hair appear any thicker, but it certainly makes it look silky and soft and I enjoy using it. I've been using it non-stop for the last six weeks and I haven't noticed any build up on my hair. Five stars is because I'm not sure why this brand design all their bottles like this; you need the strength of a bodybuilder to be able to squeeze the product out (and if you resort to your knee and the side of the bath to squeeze it out you end up with a creased-looking bottle). Instead I just unscrew the cap and tip some into the palm of my hand.
A**R
Great for fine hair
Love this shampoo. It leaves my hair soft and shiny and the smell is lovely.
S**T
Gorgeous on hair in dire need of a boost.
It's magic on highlights. This duo shampoo and conditioner is out of this world - it has given my hair the curls I used to have, the volume is miraculous and the shine - but most of all it enhances the highlights in my hair. A bit pricey but generous in size. MAGIC
M**E
Excellent shampoo
Extremely good shampoo for fine hair. Foams really well and you only need one squirt from bottle
J**E
Luxury price but unmatched quality
I have bleached hair and it does the work of washing the scalp and hair. In terms of moisturising effect, it doesn’t last too long (hair dries out the day after). It’s not worth the price and I don’t like the smell. It doesn’t give off a luxury feeling but charges a luxury price.
M**L
Leaves hair soft and smelling great
Great for fine hair. Leaves you head feeling soft and great smelling. If your hair is feeling dry or in need of some TLC, do not hesitate to buy
M**N
Great shampoo
Great shampoo, received many compliments about my hair after using it
S**I
Super
No lo cambio, tengo un año usándolo y es lo mejor para cabellos finos grasos
J**N
Fuller bouncy hair!
I decided to give this a try after a friend recommended it to me. It smells so good and has a fresh scent. I have very fine hair and immediately noticed after using it more fullness and volume without any greasiness. My hair seemed more bouncy and shiny too,, Great deal on it on Amazon prime day and I wish I had bought more!
S**T
just okay
i didnt see what the fuss is about . it was good okay did the job but i couldnt understand the price.
G**D
Great daily shampoo
Leaves hair feeling clean and thicker
Trustpilot
2 days ago
3 weeks ago