Is act mouthwash profitable to sell on Amazon United Kingdom?

The niche generates £198K/yr across 12 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -23.9%. Flapen's verdict: Skip it (41/100).

How competitive is the act mouthwash niche?

5 brands and 28 sellers compete. The top 5 products take 82% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in act mouthwash?

Top complaints mined from reviews: Taste-Overall, Oral Hygiene, Smell. The return rate is 0.1%.

When does demand for act mouthwash peak?

Demand peaks in Feb; the busiest month runs 1.9× the quietest.

What does it cost to enter the act mouthwash niche?

Listings span £2.29–£29.17; the average listing price is £7.92 (sweet spot $15–$100). The average incumbent carries 1,711 reviews — the moat a new listing must climb.

act mouthwash

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Conversion

Incredible23.5%

search→purchase rate — share of searches ending in a sale

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Price range

Good£2.29–£29.17

cheapest to priciest tracked listing — scored on the share inside $15–$100

Quality gap

Good4.5★

avg incumbent rating — lower means beatable quality

Review moat

Okay1,711.17

avg incumbent reviews — the moat a new listing must climb

Market size

Okay£198K

£198K/yr · 106K searches

Avg price

Bad£7.92

avg listing price — sweet spot $15–$100

Competition

Bad82%

top-5 click share — a locked-up shelf

Growth

Bad-23.9%

90-day search growth — must beat 0% to launch

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United Kingdom niche tracking, act mouthwash is a £198K/yr Amazon United Kingdom market (106K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Feb. Verdict: Skip it — 41/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

act mouthwash market data

Units sold / yr: 25K–30K; avg 1,500–2,000/product
Revenue / yr: £198K–£238K; units × avg price
Conversion rate: 23.5%
Avg BSR: #88
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 51 months
Avg seller age: 181 days

Competition & brand share

The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 rising

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

82%

Top 20: 100%

Open market

UltraDEX86%
Gerhua6%
The Breath Co.4%
Vitacrazy2%
SHEBEEDO2%
Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -23.9% search growth over the last 90 days.

Peak months: Feb · busiest ÷ quietest = 1.9×

Open Trend

Top act mouthwash search terms

ultradex mouthwash34K/yr -32.1%28.3% conv.
ultradex24K/yr -20.7%21.2% conv.
tonsil stone mouthwash23K/yr -26.3%3.8% conv.
ultra dex mouth wash11K/yr -14.8%25.2% conv.
ultra dex8K/yr -18.4%22.3% conv.
tonsil stone remover mouthwash3K/yr +18.1%3.6% conv.
retardex mouthwash2K/yr -22.6%37.6% conv.

All search terms

Top act mouthwash 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 12 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

UltraDEX Daily Oral Rinse with Fluoride 500ml | Fresh Breath Mouthwash for Daily Oral Hygiene | Fluoride Mouth Rinse for Healthy Teeth & Gums

UltraDEX£4.834.5★3,613 rev

UltraDEX Daily Oral Rinse Mint 500 ml

UltraDEX£4.974.6★1,747 rev

Ultradex Daily Oral Rinse 1000Ml

UltraDEX£9.824.7★713 rev

120Ml Natural Tonsil Stone Remover & Mouthwash Oral Rinse Liquid to Soothe Tonsils Treat Bad Breath Relieve Dry Mouth and Whiten Teeth Gentle Formula for Adults Travel Mouthwash Mini Mouthwas/h

Gerhua£6.434.3★6 rev

UltraDEX Daily Oral Rinse Whitening 500 ml

UltraDEX£5.514.5★1,050 rev

Newest

by launch date

Tonsil Stone Remover Tonsil Stone Mouthwash Alcohol-Free Oral Rinse to Soothe Tonsils and Combat Bad Breath 4 Fl Oz

Vitacrazy£12.767 rev

2mo ago

Tonsil Stone Remover 100mL Tonsil Stone Mouthwash Gentle Mouthwash for Bad Breath Alcohol-Free Natural Formula Mouth Wash for Daily Oral Care Dry Mouth Relief Travel-Friendly Oral Rinse

SHEBEEDO£7.493 rev

7mo ago

120Ml Natural Tonsil Stone Remover & Mouthwash Oral Rinse Liquid to Soothe Tonsils Treat Bad Breath Relieve Dry Mouth and Whiten Teeth Gentle Formula for Adults Travel Mouthwash Mini Mouthwas/h

Gerhua£6.436 rev

11mo ago

The Breath Co. Alcohol Free Mouthwash. Dentist Formulated Oral Rinse for 12 Hours of Fresh Breath ICY Mint Flavour 300 ml

The Breath Co.£3.933,476 rev

1y ago

UltraDEX Daily Oral Rinse Mint 500 ml

UltraDEX£4.971,747 rev

9y ago

What buyers say about act mouthwash

What buyers praise and complain about, mined from review topics.

What buyers love

Oral Hygiene25%

“My gum is healthy”

Breathability12%

“Keeps breath fresh all day”

Value For Money9%

“Worth the money”

Efficiency8%

“Works well”

Taste-Overall6%

“Good taste”

Flavor5%

“Gentle flavour, powerful action”

Quality-Overall4%

“good quality”

Cleansing3%

“Cleans teeth well without being abrasive”

Tooth Brightening2%

“With her complete mouth care, my teeth are strong and naturally white and gum gradually covering previously uncovered teeth”

Smell2%

“Very good at neautralising food smells etc”

What buyers complain about

Taste-Overall12%

“Horrible chemical taste”

Oral Hygiene8%

“This isn't like other mouthwash”

Smell6%

“chemical smell”

Flavor5%

“Does not include flavour sachet”

Durability5%

“Broken cap”

Leak-Proof5%

“Very bad, quick leaking bottle :-”

Value For Money4%

“why so expensive”

Ease Of Use3%

“Not much use”

Stale/Rotten/Spoiled3%

“Rubbish”

Strength3%

“Why's the cap so brittle and weak”

Top return reasons

Size-Overall22%

Leak-Proof18%

Flavor14%

Functionality-Overall10%

Advertised Vs Actual Product7%

Oral Hygiene4%