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Product guide

OUAI Detox Shampoo 300ml

OUAI Detox Shampoo is a 300ml clarifying shampoo listed for product build-up, dirt, oil and hard-water residue. Its listing names apple cider vinegar and chelating agents among the active ingredients, and recommends use 1–2 times a week.

At a glance

  • A clarifying wash positioned for residue from styling products, dirt, oil and hard water.
  • Listing recommends use 1–2 times a week, rather than describing it as an everyday shampoo.
  • Sulfate-free and paraben-free according to the listed material claims.
Price
£21.37Save 25%

Reference price: £28.49

Price checked: 12 Nov 2026

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Often bought together

Pros and cons

Pros

  • Targets several common build-up sources in one clarifying wash.
  • Listed for chemically treated, normal, straight, wavy and curly hair, and all hair colours.
  • The manufacturer says a small amount of this concentrated shampoo is used to lather and rinse.

Technical specifications

17 specifications
Identity
BrandOUAI
Model3430
FormLiquid
Hair typesChemically Treated, Normal, Straight, Wavy, Curly
Suitable hair colourAll Hair Colours
ScentMelrose Place
Age rangeAdult
Formula and use
Special featuresClarifying, Cleansing
Listed benefitDetoxifying
Material type freeParaben Free, Sulfate Free
Active ingredientsAPPLE CIDER VINEGAR | TAMARIND SEED EXTRACT | CHELATING AGENTS
Recommended useSmoothening
Size and dimensions
Liquid volume10 Fluid Ounces
Pack quantity1
Package size300ml
Dimensions listed6.4 x 6.4 x 14 centimetres
Weight listed0.79 Pounds

What to know before buying

  • Use frequency is listed as 1–2 times a week. The manufacturer suggests following with conditioner after rinsing, so buyers seeking an everyday-only shampoo should consider that distinction.

Who is it for?

A good fit for

  • People looking for an occasional clarifying shampoo for product or hard-water build-up.
  • Buyers with oily or fine hair who want a wash positioned for cleansing and residue removal.
  • Those seeking a sulfate-free, paraben-free formula listed for a range of hair types and colours.

Less suited to

  • People seeking a shampoo explicitly intended for daily use.
  • Buyers who need a product specifically confirmed to relieve scalp irritation, as customer feedback is divided on that point.
OUAI Detox Shampoo 300ml · photo 2
Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 8,139 ratings
  • 5 stars73%73%
  • 4 stars14%14%
  • 3 stars5%5%
  • 2 stars4%4%
  • 1 star4%4%

Customer feedback highlights perceived cleansing effectiveness, a small amount going a long way, and reports of clean, soft, shiny hair that stays fresh longer between washes. Customers also like the fragrance, while opinions differ on value for money and whether it helps with scalp irritation. For occasional clarifying use, reports of a concentrated formula may matter for how long the bottle lasts, but feedback does not establish a guaranteed result or suit every scalp.

Positive themes

  • Customers report effective cleansing and say a small amount can go a long way.
  • Customers mention clean, soft, shiny hair and a pleasant fragrance.

Negative themes

  • Some customers feel the shampoo does not justify its price.

Mixed feedback

  • Customers disagree on whether it helps with scalp irritation.
  • Opinions differ on value for money.

Frequently asked questions

How often does the listing recommend using it?

The manufacturer describes it as a clarifying treatment for use 1–2 times a week.

What build-up is it intended to address?

The listing positions it for product build-up, dirt, oil and hard-water residue.

Is it listed as sulfate-free?

Yes. The listing identifies it as sulfate-free and paraben-free.

Which hair types and colours are listed?

Chemically treated, normal, straight, wavy and curly hair are listed, along with all hair colours.

OUAI Detox Shampoo 300ml · photo 3
Additional product photo 3

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