difflam oral rinse
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Incredible15.0%search→purchase rate — share of searches ending in a sale
Review moat
Good1,488.86avg incumbent reviews — the moat a new listing must climb
Price range
Okay£3.83–£22.19cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay£160K£160K/yr · 116K searches
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Avg price
Okay£9.17avg listing price — sweet spot $15–$100
Growth
Bad-19.4%90-day search growth — must beat 0% to launch
Competition
Bad93%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, difflam oral rinse is a £160K/yr Amazon United Kingdom market (116K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 36/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
difflam oral rinse market data
- Units sold / yr
- 15K–20K
- avg 1,500–2,000/product
- Revenue / yr
- £138K–£183K
- units × avg price
- Conversion rate
- 15.0%
- Avg BSR
- #88
- Page quality
- 0%
- Prime
- 86%
- Sponsored
- 29%
- Out of stock
- 0.0%
- Avg brand age
- 87 months
- Avg seller age
- 171 days
Competition & brand share
The top 5 products capture 93% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 falling
Sellers
32
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
93%
Top 20: 100%
Open market
0%
- Oraldene88%
- Corsodyl5%
- Aloclair4%
- HayMax4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -19.4% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top difflam oral rinse search terms
- oraldene mouthwash32K/yr
- difflam mouthwash23K/yr
- oraldene13K/yr
- difflam oral rinse11K/yr
- benzydamine hydrochloride mouthwash6K/yr
- betadine gargle7K/yr
- antifungal mouthwash oral thrush6K/yr
- oraldene antibacterial mouthwash5K/yr
- difflam mouthwash oral rinse4K/yr
- benzydamine mouthwash4K/yr
Top difflam oral rinse products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 7 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Oraldene Mouthwash | Use at First Sign of Sore Throat | Medicated Mouthwash - Sore Throat Treatment for Adults | 200ml
Oraldene£4.244.6★2,329 rev
2x Oraldene Mouthwash Original 200ml
Oraldene£8.294.7★585 rev
Oraldene Hexetidine Antibacterial Mouthwash 3 Pack 200 ml
Oraldene£12.524.7★695 rev
Corsodyl Prevents gum disease & Bleeding Gum Treatment Medicated Antibacterial Mouthwash Original Alcohol Free 300 ml
Corsodyl£3.834.7★4,894 rev
Aloclair Plus Mouth Ulcer Treatment Mouthwash 120ml
Aloclair£7.014.2★1,157 rev
Newest
by launch dateCorsodyl Prevents gum disease & Bleeding Gum Treatment Medicated Antibacterial Mouthwash Original Alcohol Free 300 ml
Corsodyl£3.834,894 rev
2x Oraldene Mouthwash Original 200ml
Oraldene£8.29585 rev
Oraldene Mouthwash | Use at First Sign of Sore Throat | Medicated Mouthwash - Sore Throat Treatment for Adults | 200ml
Oraldene£4.242,329 rev
Oraldene Hexetidine Antibacterial Mouthwash 3 Pack 200 ml
Oraldene£12.52695 rev
6 x Oraldene Medicated Mouthwash Mouth Wash for Mouth Ulcers Sore Gum Throat Infection 200ml
Oraldene£22.19247 rev
Trending
90-day click momentumOraldene Mouthwash | Use at First Sign of Sore Throat | Medicated Mouthwash - Sore Throat Treatment for Adults | 200ml
Oraldene£4.244.6★
Aloclair Plus Mouth Ulcer Treatment Mouthwash 120ml
Aloclair£7.014.2★
HayMax Oraldene Mouthwash 200ml Mouth Infection and Hygiene Liquid
HayMax£6.134.5★
Corsodyl Prevents gum disease & Bleeding Gum Treatment Medicated Antibacterial Mouthwash Original Alcohol Free 300 ml
Corsodyl£3.834.7★
6 x Oraldene Medicated Mouthwash Mouth Wash for Mouth Ulcers Sore Gum Throat Infection 200ml
Oraldene£22.194.7★
What buyers say about difflam oral rinse
What buyers praise and complain about, mined from review topics.What buyers love
“Great for Healthy Gums”
“Good product and does what it says on the bottle. for me”
“Fair Price”
“Effective”
“Love this helps tooth problems especially ache”
“Product as advertised”
“It made my gums better”
“Also freshens one breath”
“Minty fresh”
“effective”
What buyers complain about
“Strange taste”
“Didnt work”
“makes black stains if used for longer”
“This mouthwash is not the strength of mouthwash I expected. I use Corsodyl regularly”
“Didnt help me with bleeding gums”
“A better flavour would be helpful”
“Long term use not great”
“This mouthwash is rather expensive”
“Different”
“Don't use it if you're allergic to it”
Top return reasons
Common questions
- Is difflam oral rinse profitable to sell on Amazon United Kingdom?
- The niche generates £160K/yr across 7 tracked products. 90-day search growth is -19.4%. Flapen's verdict: Skip it (36/100).
- How competitive is the difflam oral rinse niche?
- 4 brands and 32 sellers compete. The top 5 products take 93% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in difflam oral rinse?
- Top complaints mined from reviews: Taste-Overall, Functionality-Overall, Stain Resistance. The return rate is 0.1%.
- When does demand for difflam oral rinse peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the difflam oral rinse niche?
- Listings span £3.83–£22.19; the average listing price is £9.17 (sweet spot $15–$100). The average incumbent carries 1,489 reviews — the moat a new listing must climb.