---
title: "Mcpp — ¥4.8M/yr Amazon JP Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/jp/diy/mcpp"
last_updated: "2026-08-08T07:43:33.167Z"
locale: en
meta:
description: "Niche score 58/100 · ¥4.8M/yr market · 18K searches/yr · ¥3186.06 avg price. Clears our launch bar. Data updated Jul 2026."
"og:description": "Niche score 58/100 · ¥4.8M/yr market · 18K searches/yr · ¥3186.06 avg price. Clears our launch bar. Data updated Jul 2026."
"og:title": "Mcpp — ¥4.8M/yr Amazon JP Niche (2026) - Flapen"
---
# **mcpp**
**Launch it**
A $4.8M/yr market growing +49.9% this quarter with returns at 0.1% — clears our launch bar.
Market size 97Growth 69Conversion 81Competition 9Returns 99Price range 0Avg price 0Brand share 5Review moat 89Quality gap 90
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Market size**
**Incredible****¥4.8M**
¥4.8M/yr · 18K searches
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Great****216.33**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Great****8.4%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Good****+49.9%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****90%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****98%**
top-5 brand share — brand-locked demand
**Avg price**
**Bad****¥3186.06**
avg listing price — sweet spot $15–$100
**Price range**
**Bad****¥638.24–¥13914.96**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** High Price**](https://flapen.com/research/niches?market=jp&signal=high_price "Avg price > $50")
According to Flapen's Amazon Japan niche tracking, mcpp is a ¥4.8M/yr Amazon Japan market (18K searches/yr). The top 5 brands hold 98% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Launch it — 58/100.
Data updated Jul 30, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mcpp market data**
- **Units sold / yr**
- **2K–3K**
- avg 100–250/product
- **Revenue / yr**
- **¥6.4M–¥8.0M**
- units × avg price
- **Conversion rate**
- **8.4%**
- **Avg BSR**
- **#185**
- **Page quality**
- **0%**
- **Prime**
- **67%**
- **Sponsored**
- **11%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **112 months**
- **Avg seller age**
- **191 days**
## **Competition & brand share**
The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**6 **▼falling
**Sellers**
**30**
**Top-5 brand share**
**98%**
Top 20: 100%
**Top-5 click share**
**90%**
Top 20: 100%
**Open market**
**0%**
- MBC(丸和バイオケミカル)62% - 理研グリーン24% - ノーブランド品7% - 丸和バイオケミカル(MBC)4% - KINCHO園芸2% - 日産化学(Nissan Chemical)2% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +49.9% search growth over the last 90 days.
1K600Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 22.1×
[**Open Trend **](https://flapen.com/research/jp/diy/mcpp/trend)
## **Top mcpp search terms**
- **mcpp**7K/yr+48.1%12.1% conv. - **mcpp液剤 500ml**5K/yr+92.0%6.3% conv. - **mcpp 除草剤 芝生**6K/yr+21.6%11.8% conv. [**All search terms **](https://flapen.com/research/jp/diy/mcpp/search-terms)
## **Top mcpp 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.
0%10%¥484K20%¥968K30%¥1.5M40%¥1.9M101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**丸和ケミカル 丸和バイオケミカル 芝生用除草剤 MCPP液剤 500ml**MBC(丸和バイオケミカル)**¥2879.87**4.1★711 rev](https://www.amazon.co.jp/dp/B00VWRDHL4) [2**MBC(丸和バイオケミカル) 芝生用除草剤 MCPP液剤 100ml**MBC(丸和バイオケミカル)**¥724.29**4.0★410 rev](https://www.amazon.co.jp/dp/B00VWRDESU) [3**理研 グリーン 芝生用 除草剤 MCPP液剤 250ml**理研グリーン**¥1480.29**4.0★285 rev](https://www.amazon.co.jp/dp/B008AEBIA4) [4**芝生用除草剤 MCPP液剤 500ml**ノーブランド品**¥4586.86**0.0★0 rev](https://www.amazon.co.jp/dp/B0F38CQ68F) [5**理研 グリーン 芝生用 除草剤 MCPP液剤 100ml**理研グリーン**¥820.84**4.0★285 rev](https://www.amazon.co.jp/dp/B00N3TXB60)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**芝生用除草剤 MCPP液剤 500ml**ノーブランド品**¥4586.86**0 rev1y ago](https://www.amazon.co.jp/dp/B0F38CQ68F) [**丸和バイオケミカル MCPP液剤 5L**丸和バイオケミカル(MBC)**¥13914.96**27 rev10y ago](https://www.amazon.co.jp/dp/B01DNVWX7A) [**日産化学 除草剤 MCPソーダ塩 300g**日産化学(Nissan Chemical)**¥638.24**60 rev10y ago](https://www.amazon.co.jp/dp/B01BOT0FP0) [**理研グリーン MCPP液剤 500ml**理研グリーン**¥2780.76**75 rev11y ago](https://www.amazon.co.jp/dp/B00SINN7O2) [**理研 グリーン 芝生用 除草剤 MCPP液剤 100ml**理研グリーン**¥820.84**285 rev11y ago](https://www.amazon.co.jp/dp/B00N3TXB60)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**理研 グリーン 芝生用 除草剤 MCPP液剤 250ml**理研グリーン**¥1480.29**4.0★**▲ 25%**](https://www.amazon.co.jp/dp/B008AEBIA4) [**丸和バイオケミカル MCPP液剤 5L**丸和バイオケミカル(MBC)**¥13914.96**4.5★**▲ 22%**](https://www.amazon.co.jp/dp/B01DNVWX7A) [**MBC(丸和バイオケミカル) 芝生用除草剤 MCPP液剤 100ml**MBC(丸和バイオケミカル)**¥724.29**4.0★**— 3%**](https://www.amazon.co.jp/dp/B00VWRDESU) [**丸和ケミカル 丸和バイオケミカル 芝生用除草剤 MCPP液剤 500ml**MBC(丸和バイオケミカル)**¥2879.87**4.1★**— 2%**](https://www.amazon.co.jp/dp/B00VWRDHL4) [**芝生用除草剤 MCPP液剤 500ml**ノーブランド品**¥4586.86**0.0★**— 3%**](https://www.amazon.co.jp/dp/B0F38CQ68F)
**~~View all trending →~~**
## **What buyers say about mcpp**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**使用の容易さ**33%
*“使用すればわかる”*
**効率**17%
*“効きに関して”*
**総合品質**17%
*“良い商品”*
**強さ**17%
*“よく効く”*
**コストパフォーマンス**17%
*“コスパもいい”*
### **What buyers complain about **
**スプレー/フロー**50%
*“血止草、一回噴霧では効果が薄い感じでした、一週間後二度目を散布しました。”*
**使用説明書/ユーザーマニュアル/トラブルシューティング**50%
*“指示してないのに置き配された”*
## **Common questions**
- **Is mcpp profitable to sell on Amazon Japan?**
- The niche generates ¥4.8M/yr across 9 tracked products. 90-day search growth is +49.9%. Flapen's verdict: Launch it (58/100).
- **How competitive is the mcpp niche?**
- 6 brands and 30 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 98% of demand.
- **What do buyers complain about in mcpp?**
- Top complaints mined from reviews: スプレー/フロー, 使用説明書/ユーザーマニュアル/トラブルシューティング. The return rate is 0.1%.
- **When does demand for mcpp peak?**
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 22.1× the quietest.
- **What does it cost to enter the mcpp niche?**
- Listings span ¥638.24–¥13914.96; the average listing price is ¥3186.06 (sweet spot $15–$100). The average incumbent carries 216 reviews — the moat a new listing must climb.
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