sonicare c1 replacement heads
Worth a lookShows searches that convert (15.7% search→purchase), but a concentrated shelf (top 5 take 78% of clicks) keeps it on the watch list.
Conversion
Incredible15.7%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.9%return rate — above 5% kills the launch gate
Price range
Great$8.87–$39.24cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$15.33avg listing price — sweet spot $15–$100
Market size
Good$347K$347K/yr · 144K searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Okay2,660avg incumbent reviews — the moat a new listing must climb
Growth
Okay+3.1%90-day search growth — must beat 0% to launch
Brand share
Bad92%top-5 brand share — brand-locked demand
Competition
Bad78%top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, sonicare c1 replacement heads is a $347K/yr Amazon United States market (144K searches/yr). The top 5 brands hold 92% of demand. Verdict: Worth a look — 50/100.
Data updated Jul 14, 2026 · scored weekly · How we score niches
sonicare c1 replacement heads market data
- Units sold / yr
- 20K–25K
- avg 750–1,000/product
- Revenue / yr
- $307K–$383K
- units × avg price
- Conversion rate
- 15.7%
- Avg BSR
- #131
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 92%
- Out of stock
- 4.8%
- Avg brand age
- 33 months
- Avg seller age
- 170 days
Competition & brand share
The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.Brands
8 falling
Sellers
13
Top-5 brand share
92%
Top 20: 100%
Top-5 click share
78%
Top 20: 100%
Open market
5%
- Philips Sonicare52%
- Boclengo20%
- toptheway8%
- Futulkyus8%
- Aoremon4%
- Joryama3%
- Open — no brand owns it (2 brands, 5%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +3.1% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.2×
Top sonicare c1 replacement heads search terms
- philips sonicare replacement heads c125K/yr
- sonicare c1 replacement heads19K/yr
- philips sonicare c1 replacement heads16K/yr
- c1 sonicare replacement heads16K/yr
- sonicare replacement heads c115K/yr
- phillips sonicare replacement brush head c115K/yr
- phillips sonicare c1 replacement brush head7K/yr
- philips sonicare c15K/yr
- sonicare c15K/yr
- philips sonicare toothbrush heads c15K/yr
Top sonicare c1 replacement heads 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 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Philips Sonicare C1 SimplyClean - Genuine Replacement Electric Toothbrush Heads White 6 Pack Up to 18 Month Supply HX6016/77
Philips Sonicare$39.244.7★390 rev

Philips Sonicare C1 SimplyClean - Genuine Replacement Electric Toothbrush Heads White 4 Pack One Year Supply HX6014/65
Philips Sonicare$32.334.7★390 rev

Electric Toothbrush Heads for Philips Sonicare Replacement Heads C1 C2 G2 4100 W Replacement Brush Head Compatible with Phillips Sonicare Electric Toothbrushes C2 C1 G2 for Sonic Care Brush 6 Pcs
Boclengo$9.904.4★295 rev

Futulkyus Replacement Toothbrush Heads for Philips Sonicare C1 C2 ProtectiveClean 4100 5100 10 Pack
Futulkyus$14.674.4★6,209 rev

Boclengo Replacement Toothbrush Heads for Philips Sonicare Replacement Heads C2 C1 Electric Replacement Brush Head Compatible with Phillips Sonicare C2 C1 for Philips Sonic Care Electric Brush
Boclengo$9.714.4★416 rev
Newest
by launch date
Philips Sonicare C1 SimplyClean - Genuine Replacement Electric Toothbrush Heads White 6 Pack Up to 18 Month Supply HX6016/77
Philips Sonicare$39.24390 rev

12 Pack Replacement Toothbrush Heads for Philips Sonicare Replacement Heads C2 C1 4100 Electric Replacement Brush Head for Phillips Sonicare Brush C2 C1 4100 for Sonic Care Toothbrush White
Boclengo$15.11197 rev

Electric Toothbrush Heads for Philips Sonicare Replacement Heads C1 C2 G2 4100 W Replacement Brush Head Compatible with Phillips Sonicare Electric Toothbrushes C2 C1 G2 for Sonic Care Brush 6 Pcs
Boclengo$9.90295 rev

Replacement Toothbrush Heads for Philips Sonicare Replacement Heads Electric Replacement Brush Head Compatible with Phillips Sonicare C2 C1 4100 12 Pack
Joryama$10.40593 rev

Replacement Toothbrush Heads Compatible with Philips Sonicare Electric Toothbrush Replacement Brush Head for Replacement Heads C1 C2 G2 W 4100 HX9023/65 HX6062/65 and More Sonicare Snap-on Handles
NYTCNHO$9.32882 rev
Trending
90-day click momentum
Toptheway Toothbrush Replacement Heads Compatible with Philips Sonicare C1 C2 Plaque Control Electric Toothbrush Head for ProtectiveClean 4100 5100 5300 10 Pack
toptheway$14.514.4★

Toptheway Toothbrush Replacement Heads Compatible with Philips Sonicare C1 C2 Plaque Control Electric Toothbrush Head for ProtectiveClean 4100 5100 5300 6 Pack
toptheway$10.184.4★

Philips Sonicare C1 SimplyClean - Genuine Replacement Electric Toothbrush Heads White 6 Pack Up to 18 Month Supply HX6016/77
Philips Sonicare$39.244.7★

Boclengo Replacement Toothbrush Heads for Philips Sonicare Replacement Heads C2 C1 Electric Replacement Brush Head Compatible with Phillips Sonicare C2 C1 for Philips Sonic Care Electric Brush
Boclengo$9.714.4★

Replacement Toothbrush Heads for Philips Sonicare Replacement Heads Electric Replacement Brush Head Compatible with Phillips Sonicare C2 C1 4100 12 Pack
Joryama$10.404.6★
What buyers say about sonicare c1 replacement heads
What buyers praise and complain about, mined from review topics.What buyers love
“Great Value”
“Perfect fit”
“Well constructed replacement heads at great price”
“do the job”
“it works great”
“Good quality, reasonably priced replacement brushes”
“Clean asf”
“Durable”
“They are a great replacement heads compatable with my Philips electric toothbrush”
“Useful and handy”
What buyers complain about
“Bristles are too hard”
“Cheap, poor quality”
“they dont fit flush”
“bristles fall out”
“difficult to use”
“way cheaper”
“Not compatible”
“These are not very strong in comparison to the name-brand models”
“Does not provide nearly the same cleaning force”
“False Advertising”
Top return reasons
Common questions
- Is sonicare c1 replacement heads profitable to sell on Amazon United States?
- The niche generates $347K/yr across 12 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +3.1%. Flapen's verdict: Worth a look (50/100).
- How competitive is the sonicare c1 replacement heads niche?
- 8 brands and 13 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 92% of demand.
- What do buyers complain about in sonicare c1 replacement heads?
- Top complaints mined from reviews: Hard Feel, Quality-Overall, Size-Overall. The return rate is 0.9%.
- When does demand for sonicare c1 replacement heads peak?
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- What does it cost to enter the sonicare c1 replacement heads niche?
- Listings span $8.87–$39.24; the average listing price is $15.33 (sweet spot $15–$100). The average incumbent carries 2,660 reviews — the moat a new listing must climb.