1 / 7OUAI Fine Shampoo 300ml for Fine Hair
OUAI Fine Shampoo is a liquid shampoo formulated for fine hair, with keratin, biotin and chia seed oil. The listing describes it as sulphate-free and intended to cleanse while adding weightless body, so it suits buyers seeking volume without a heavy finish.
At a glance
- Formulated for fine hair, with keratin, biotin and chia seed oil.
- The listing claims weightless body, added bounce and help with frizz and flyaways.
- Described as colour safe and free from parabens, phthalates and sulphates.
Reference price: £28.00
Price checked: 12 Nov 2026
View offerAhead of Black FridayExplore the selectionOften bought together
OUAI Fine Hair Conditioner-Volumizing Conditioner for Fine Hair Made with Keratin, Biotin and Chia Seed Oil - Adds Softness, Bounce and Volume - Free from Parabens, Sulfates, and Phthalates - 300ml
£21.00
OUAI Detox Shampoo - Clarifying Shampoo for Build Up, Dirt, Oil, Product and Hard Water - Apple Cider Vinegar & Keratin for Clean, Refreshed Hair - Sulfate-Free Hair Care - 300ml
£21.37
Pros and cons
Pros
- Purpose-built for fine hair, with volume and weightless body as its central aim.
- The listed formula is free from parabens, phthalates and sulphates.
- Customer feedback reports positive experiences with fragrance, volume and lasting performance.
Technical specifications
16 specifications| Brand | OUAI |
|---|---|
| Model | 2532 |
| Form | Liquid |
|---|---|
| Hair type | Fine |
| Scent | Mercer Street |
| Age range | Adult |
| Benefits | Moisturizing, Nourishing, Strengthening |
| Suitable hair colours | All Hair Colours |
| Material type free | Paraben Free, Phthalate Free, Sodium Laureth Sulphate Free, Sulphate Free, cruelty free |
| Special feature | Vegan |
| Liquid volume | 10 Fluid Ounces |
| Package size | 300ml |
| Number of items | 1 |
| Country of origin | USA |
| Dimensions listed | 6.4 x 6.4 x 14 centimetres |
|---|---|
| Weight listed | 0.79 Pounds |
Who is it for?
A good fit for
- People with fine hair looking for a shampoo marketed to add bounce and volume.
- Buyers who prefer a liquid shampoo described as free from parabens, phthalates and sulphates.
Less suited to
- People seeking a shampoo specifically formulated for a hair type other than fine hair.
Customer reviews on Amazon
- 5 stars
77% 77% - 4 stars
12% 12% - 3 stars
6% 6% - 2 stars
2% 2% - 1 star
3% 3%
Customer feedback reports effectiveness for fine hair, fragrance, volume and a formula that some find long-lasting. Opinions vary on value, shine and thickness. This is relevant if you are choosing it for its advertised lightweight volume, but reported results are not uniform, particularly for shine and thickness.
Positive themes
- Customers report positive experiences with effectiveness, fragrance and volume.
- Some customers describe the formula as long-lasting.
Mixed feedback
- Feedback differs on value for money, shine and thickness.
Frequently asked questions
What hair type is OUAI Fine Shampoo intended for?
The listing specifies fine hair and describes the shampoo as designed to add bounce and volume.
What ingredients are highlighted?
The title and product details highlight keratin, biotin and chia seed oil.
Is this shampoo described as sulphate-free?
Yes. The listing describes it as sulphate-free, and lists it as free from parabens and phthalates as well.
Alternative options
OUAI Fine Shampoo and Conditioner Set - Sulfate Free Shampoo and Conditioner for Fine Hair - Made with Keratin, Marshmallow Root, Shea Butter & Avocado Oil - Free of Parabens & Phthalates - 300 ml
£42.00
Aveeno Scalp Soothing Haircare Clarify, 300ml
Kérastase Genesis, Nourishing & Fortifying Shampoo, For Weakened Hair, With Ginger Root & Edelweiss Flower, Bain Hydra-Fortifiant
£23.98
OLAPLEX No. 4 Bond Maintenance shampoo
£22.00
OUAI Thick Hair Conditioner - Moisturizing Conditioner for Dry, Frizzy Hair - Keratin, Marshmallow Root, Shea Butter and Avocado Oil - Paraben, Phthalate and Sulfate Free Hair Care - 300ml
£23.80
Aveeno Scalp Soothing Haircare Clarify & Shine Conditioner, Apple Cider Vinegar Blend, for All Hair Types, Soothes Dry, Itchy & Flaky Scalp, Clinically Proven, Sulfate Free, 500ml
£6.84
OLAPLEX Wash & Shine Hair Kit | Shampoo & Conditioner Set, Bonding Oil | For Medium-To-Coarse Hair; Color-Safe, Sulfate-Free Formula For All Hair Types And Textures
£60.00
OUAI Hair Oil - Hair Heat Protectant Oil for Frizz Control - Adds Hair Shine and Smooths Split Ends - Color Safe Formula - Paraben, Phthalate and Sulfate Free - 45ml
£19.50
