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✨ Elevate your fine hair game with OUAI’s volumizing magic!
OUAI Fine Shampoo is a 300ml sulfate-free, paraben-free, and cruelty-free formula designed specifically for fine hair. Enriched with strengthening keratin, biotin, and chia seed oil, it delivers long-lasting volume, reduces frizz, and nourishes strands while maintaining a clean, weightless feel. Its signature Mercer Street scent and gentle yet effective cleansing make it a top choice for professionals seeking effortless, luxurious hair care.

























| ASIN | B084BW599K |
| Age Range Description | Adult |
| Age range (description) | Adult |
| Benefits | Moisturizing, Nourishing, Strengthening |
| Best Sellers Rank | 2,104 in Beauty ( See Top 100 in Beauty ) 108 in Shampoos (Beauty) |
| Brand | OUAI |
| Brand Name | OUAI |
| Country Of Origin | USA |
| Customer Reviews | 4.5 out of 5 stars 4,046 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 |
S**S
Fantastic Shampoo For Fine Hair!
This is a fantastic shampoo for me with fine hair. It has made such a difference to my hair giving it more volume. I love that it’s paraben and sulphate free. It also lasts a long time as I don’t need to use much and smells divine! I highly recommend 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
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
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.
M**E
Excellent shampoo
Extremely good shampoo for fine hair. Foams really well and you only need one squirt from bottle
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!!
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.
R**I
It’s for thin hair
Best shampoo ever
S**I
Super
No lo cambio, tengo un año usándolo y es lo mejor para cabellos finos grasos
A**R
Great shampoo
This is such a good shampoo. Your hair with thank you. They feel clean right away and it does what is supposed to for fine hair, it gives you volume. It might be pricey but worth it.
ر**ا
المنتج رائع
جدا رائع للشعر
A**R
Wonderful shampoo for fine hair
This product is amazing! I'm older and have always had fine hair. This shampoo somehow makes it thicker. I only wash my hair once or twice a week and don't use conditioner. Has a nice smell but not loaded with perfumes like cheaper brands tend to be. My hair feels clean and looks healthier and thicker after washing. I've used it for 6 months and still have half a bottle —it lathers up well so you don't need to use a handful to get long hair clean.
G**D
Great daily shampoo
Leaves hair feeling clean and thicker
Trustpilot
2 weeks ago
2 weeks ago