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Colgate Peroxyl Mint Flavour Mouthwash 300ml

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Colgate Peroxyl is an oral antiseptic mouthwash with a unique oxygenating cleansing action.  It helps to remove debris from hard to reach areas of the mouth.


Colgate Peroxyl is an oral antiseptic mouthwash with a unique oxygenating cleansing action. It helps to remove debris from hard to reach areas of the mouth. Facilitates healing and alleviates discomfort caused by minor mouth and gum irritations, such as gum inflammation, soreness and mouth ulcers.

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Purified Water, Sorbitol 70%w/w (non-crystallising), Ethanol 96%, Poloxamer F108, Polysorbate 20, Methyl salicylate, Levo-Menthol, Sodium saccharin, Brilliant Blue FCF (E133).

See label before use. Oromucosal use. Peroxyl is ready to use. Rinse with 10 ml (half a capful) for approximately one minute, then spit out. Use 3 times daily (after meals and at bedtime) or as directed by a doctor or dentist. Adults and children over 12 years: as above. Children between 6 - 12 years old: Use under the supervision of an adult. The duration of the treatment should not exceed 7 days.

See label before use. Hypersensitivity to the active ingredient or other compounds in the preparation.Do not use in children under the age of 6. Do not swallow. If irritation persists for 7 days, is severe, is due to orthodontic appliances and/or dentures, or swelling or fever develops, the patient's condition needs to be re-evaluated by a doctor or dentist. Overdose can injure the gums and continued use of hydrogen peroxide may cause reversible hypertrophy of the papillae of the tongue known as 'black hairy tongue' therefore using this product at high doses or for long periods of time is not recommended. Avoid contact with eyes.

Standard Delivery

Standard Mainland UK delivery is £3.95* 

We aim to deliver orders within 3-5 working days to the shipping address provided by you in your order if the shipping address is in the UK.  For orders being delivered outside mainland UK, this will be longer and we cannot give a guaranteed delivery time due to the differences between carriers. Delivery timescales are estimates only. If you do not receive your order within 14 days of us confirming your order has been sent you must notify us and we will investigate the non-delivery provided. Orders from outside the UK have varied delivery charges, depending on the particular country.  Please note that in some instances you may be required to answer product related questions from our Pharmacist as part of the checkout process.  Failiure to answer these will cause delays.  Please allow extra time for Pharmacy approved products.  Please note that Bank Holidays do not count as working days.

Delivery charges for orders outside the UK will vary. *Northern Ireland delivery charges different

Express UK Delivery

Express Mainland UK delivery is £6.95*, non mainland islands may vary

Please note that Express delivery is only available on orders placed before 1pm (GMT) Monday to Friday in the UK.  After 1pm we cannot guarantee express delivery, even if it has been selected.  Please note that this is not a guaranteed next day service, but is an expedited delivery option.  Products which need to be approved by a pharmacist are not suitable for express delivery.

*Northern Ireland delivery charges different

Free Delivery on orders over £50*

This applies to orders delivered to UK addresses only.  *Exclusions may apply.


We hope you will be happy with any items you’ve ordered from us, but if you’re not entirely satisfied, you’ll find details of our returns policy on the link below.

Delivery outside of the EU

Please note that certain medicines and medical devices sold on this website cannot be purchased if you live outside of the European Union.


Please visit our Delivery & Returns page for more information.