sinus rinse
Worth a lookShows low returns (0.1%), but soft demand (-14.8% this quarter) keeps it on the watch list.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Great11.4%search→purchase rate — share of searches ending in a sale
Market size
Good£662K£662K/yr · 607K searches
Price range
Good£5.75–£27.48cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Okay80%top-5 brand share — brands hold most of the demand
Competition
Okay65%top-5 click share — leaders hold, buyers still browse
Avg price
Okay£9.58avg listing price — sweet spot $15–$100
Review moat
Bad6,388.81avg incumbent reviews — the moat a new listing must climb
Growth
Bad-14.8%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, sinus rinse is a £662K/yr Amazon United Kingdom market (607K searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Jan–Feb–Dec. Verdict: Worth a look — 52/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
sinus rinse market data
- Units sold / yr
- 60K–80K
- avg 3,000–4,000/product
- Revenue / yr
- £575K–£766K
- units × avg price
- Conversion rate
- 11.4%
- Avg BSR
- #8
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 88%
- Out of stock
- 0.0%
- Avg brand age
- 47 months
- Avg seller age
- 178 days
Competition & brand share
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.Brands
11 falling
Sellers
45
Top-5 brand share
80%
Top 20: 100%
Top-5 click share
65%
Top 20: 100%
Open market
14%
- PLUSQMED42%
- NeilMed18%
- Sinus Rinse7%
- Showvigor7%
- Waterpulse6%
- izkraiz6%
- Open — no brand owns it (5 brands, 14%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -14.8% search growth over the last 90 days.Peak months: Jan, Feb, Dec · busiest ÷ quietest = 2.1×
Top sinus rinse search terms
- nasal rinse157K/yr
- sinus rinse kit126K/yr
- sinus rinse81K/yr
- nasal rinse kit23K/yr
- nose cleaner29K/yr
- saline nasal rinse26K/yr
- sinus rinse bottle21K/yr
- nasal irrigation system10K/yr
- nasal irrigation21K/yr
- nasal wash16K/yr
Top sinus 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 16 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Nasal Rinse Kit 300ml Bottle + 20 Saline Packets Neti Pot for Sinus Relief & Nasal Hygiene PH Balanced Drug-Free Preservative-Free Suitable for Adults & Children (300 ml 20 sachets)
PLUSQMED£7.674.4★1,517 rev
NeilMed Sinus Rinse Original Kit Squeeze Bottle + 60 Sachets
NeilMed£12.814.5★3,309 rev
Neilmed SinusRinse All Natural Sinnus Relief 10 Sachets
Sinus Rinse£7.954.6★8,150 rev
Neilmed Sinus Rinse Kit Sachet 60S
NeilMed£12.254.6★40,041 rev
Neti Pot Sinus Rinse Bottle - Gentle Nasal Wash Bottle Nose Cleaner for Effective Pressure Irrigatio 300 ML with 20 Nasal Wash Salt Packets
Showvigor£5.884.5★1,101 rev
Newest
by launch date
Nasal Rinse Kit 300ml Bottle + 21 Saline Packets Neti Pot for Sinus Relief & Nasal Hygiene PH Balanced Drug-Free Preservative-Free Suitable for Adults & Children 3+
BiOviaNATURE£5.7540 rev
Vicks Sinex Gentle Saline Nasal Spray 120ml - 3-in-1 Action: Cleans Removes Mucus & Helps to Moisturize and Hydrate with Isotonic Sea Water Aloe Vera and Hyaluronic Acid Suitable from 1 Year+
Vicks£6.37107 rev
Nasal Rinse Kit 300ml Bottle + 20 Saline Packets Neti Pot for Sinus Relief & Nasal Hygiene PH Balanced
izkraiz£6.21132 rev
Sinus Rinse Kit Squeeze Bottle Neti Pot + 50 Salt sachets Original Plusqmed Nasal wash Sinus Rinse Adults Children
PLUSQMED£6.95148 rev
Sinus Rinse Kit Squeeze Bottle Neti Pot +20 Salt sachets Original Plusqmed Nasal wash Sinus Rinse Adults Children Nose Shower for Nose Cleaning and Nasal Flushing
PLUSQMED£6.27540 rev
Trending
90-day click momentumNasal Rinse Kit 300ml Bottle + 21 Saline Packets Neti Pot for Sinus Relief & Nasal Hygiene PH Balanced Drug-Free Preservative-Free Suitable for Adults & Children 3+
BiOviaNATURE£5.754.5★
Vicks Sinex Gentle Saline Nasal Spray 120ml - 3-in-1 Action: Cleans Removes Mucus & Helps to Moisturize and Hydrate with Isotonic Sea Water Aloe Vera and Hyaluronic Acid Suitable from 1 Year+
Vicks£6.374.4★
Nasal Rinse Kit 300ml Bottle + 20 Saline Packets Neti Pot for Sinus Relief & Nasal Hygiene PH Balanced
izkraiz£6.214.5★
Sinus Rinse Kit Squeeze Bottle Neti Pot + 50 Salt sachets Original Plusqmed Nasal wash Sinus Rinse Adults Children
PLUSQMED£6.954.1★
Neilmed SinusRinse All Natural Sinnus Relief 10 Sachets
Sinus Rinse£7.954.6★
What buyers say about sinus rinse
What buyers praise and complain about, mined from review topics.What buyers love
“Sinus relief”
“Ease of use”
“Cost effective”
“Great product and simple to use”
“It works, it actually works”
“Works well”
“I noticed a significant improvement in my breathing”
“Its strong and sturdy”
“Good this helped me when I had flu”
“Clear instructions and easy to use”
What buyers complain about
“Didnt really help me with my sinus problems”
“the water leaked from around the lid instead of flowing through the tube”
“very slow progress”
“I'm not going to claim that it's particularly cheap for what you get”
“Bit difficult to understand at first”
“Poor quality product”
“The bottle is smaller”
“I found this to be uncomfortable”
“this is too weak to do that”
“This was not stated anywhere on the instructions”
Top return reasons
Common questions
- Is sinus rinse profitable to sell on Amazon United Kingdom?
- The niche generates £662K/yr across 16 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -14.8%. Flapen's verdict: Worth a look (52/100).
- How competitive is the sinus rinse niche?
- 11 brands and 45 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 80% of demand.
- What do buyers complain about in sinus rinse?
- Top complaints mined from reviews: Sinus Relief, Leak-Proof, Functionality-Overall. The return rate is 0.1%.
- When does demand for sinus rinse peak?
- Demand peaks in Jan–Feb–Dec; the busiest month runs 2.1× the quietest.
- What does it cost to enter the sinus rinse niche?
- Listings span £5.75–£27.48; the average listing price is £9.58 (sweet spot $15–$100). The average incumbent carries 6,389 reviews — the moat a new listing must climb.