Colgate Peroxyl Mouthwash — 300ml
As of 15 Jul 2026, Colgate Peroxyl Mouthwash 300ml is cheapest at Sainsbury's at £5.30 (£17.67/1 ltr) in United Kingdom.
Prices updated 15 Jul 2026
Lowest recorded price: £5.30 at Sainsbury's (15 Jul); highest: £5.30 — currently £5.30 at Sainsbury's. Tracked since Jul 2026.
Showing prices and history for this exact variant. Other brands and sizes appear on the broader product category page.
Price History
Days at each priceColgate Peroxyl · 300ml
All-time low
£5.30
All-time high
£5.30
How long each price has stuck.
Price
1 product available
Sainsbury's
Prices shown are indicative and may vary by store location. Confirm pricing at checkout.
Frequently asked questions
- Where is Colgate Peroxyl Mouthwash 300ml cheapest?
- Sainsbury's has the lowest price at £5.30 (£17.67/1 ltr).
- What is the unit price of Colgate Peroxyl Mouthwash 300ml?
- Priced per 1 ltr. Sainsbury's offers the best value at £17.67/1 ltr.
- What is the lowest price ever for Colgate Peroxyl Mouthwash 300ml?
- The lowest price OpenOrder has recorded for Colgate Peroxyl Mouthwash 300ml is £5.30 at Sainsbury's (15 Jul), since we began tracking in Jul 2026. The current cheapest price is £5.30 at Sainsbury's.