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Methylene Blue

a concentrated shelf (top 5 take 100% of clicks) — Methylene Blue doesn't clear our bar today.

Flapen Score

37
Skip it
Market size 1Growth 13Conversion 53Competition 0Returns 100Price range 95Avg price 95Brand share 0Review moat 84Quality gap 63

Is Methylene Blue profitable on Amazon?

According to Flapen's Amazon Singapore niche tracking, Methylene Blue is a $5K/yr Amazon Singapore market (3K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 37/100.

Methylene Blue: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -24.9% over the last 90 days and 4.3% of searches end in a purchase.

$5K

revenue / yr

Units sold / yr250
Search volume / yr-24.9%3K
Conversion rate4.3%
Avg price$44.31

Who owns the niche?

The top 5 brands hold 100% of demand, so 0% of the market is open.

0%

open market share

Brands · sellers2 · 13
Top-5 product click share100%
Open market0%
Avg brand age31 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.4★ — the gap to enter on.

0/100

page quality · 3 products

Sponsored placement0%
New entrants (1y)0· 0 succeeded
Avg rating4.4★
Avg reviews310

Top Methylene Blue products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

$0$725$1K$2K$3K101001K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

2 falling

Sellers

13

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

0%

  • PureGood84%
  • HelloPharmacist16%

Methylene Blue demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume3KCVR4.3%Products3Brands2Top 5 Brands100%OOS Rate48.9%Rating4.4★Reviews310Avg BSR#163
8060Spike '25Black Friday '25Spike '26Sep '25Oct '25Dec '25Feb '26Mar '26May '26

Common Methylene Blue questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Methylene Blue 37/100 on Amazon Singapore — Skip it. The niche generates $5K/yr across 3 tracked products. Search demand moved -24.9% over the last 90 days.
Methylene Blue sells for $44.31 on average on Amazon Singapore, inside our $15–$100 sweet spot. Listings span $31.77–$55.93. The average incumbent carries 310 reviews — the moat a new listing must climb.

Best Flapen score

The highest-scoring niches we track right now, across every category.