Is kojic acid soap profitable to sell on Amazon United States?

The niche generates $1.8M/yr across 11 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +8.4%. Flapen's verdict: Skip it (49/100).

How competitive is the kojic acid soap niche?

6 brands and 29 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 98% of demand.

What do buyers complain about in kojic acid soap?

Top complaints mined from reviews: Functionality-Overall, Symptom Reduction, Size-Overall. The return rate is 0.4%.

When does demand for kojic acid soap peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the kojic acid soap niche?

Listings span $5.95–$15.68; the average listing price is $10.41 (sweet spot $15–$100). The average incumbent carries 21,899 reviews — the moat a new listing must climb.

kojic acid soap

Skip it

Brand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Market size

Great$1.8M

$1.8M/yr · 2.3M searches

Conversion

Great7.7%

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Avg price

Okay$10.41

avg listing price — sweet spot $15–$100

Growth

Okay+8.4%

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

Competition

Bad79%

top-5 click share — a locked-up shelf

Review moat

Bad21,898.64

avg incumbent reviews — the moat a new listing must climb

Price range

Bad$5.95–$15.68

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

Brand share

Bad98%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, kojic acid soap is a $1.8M/yr Amazon United States market (2.3M searches/yr). The top 5 brands hold 98% of demand. Verdict: Skip it — 49/100.

Data updated Jul 15, 2026 · scored weekly · How we score niches

kojic acid soap market data

Units sold / yr: 150K–200K; avg 12,500–15,000/product
Revenue / yr: $1.6M–$2.1M; units × avg price
Conversion rate: 7.7%
Avg BSR: #76
Page quality: 0%
Prime: 100%
Sponsored: 73%
Out of stock: 0.0%
Avg brand age: 58 months
Avg seller age: 127 days

Competition & brand share

The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.

Brands

6 falling

Sellers

Top-5 brand share

98%

Top 20: 100%

Top-5 click share

79%

Top 20: 100%

Open market

Kojie San56%
VALITIC29%
ORIENTLEAF6%
OAKDOLCHE4%
Good Molecules3%
Kitsch2%
Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +8.4% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top kojic acid soap search terms

kojic acid soap1.4M/yr +5.2%6.8% conv.
whitening soap116K/yr +19.0%1.9% conv.
kojie san soap109K/yr +37.9%7.1% conv.
kojic soap101K/yr +6.1%4.7% conv.
brightening soap79K/yr +2.9%3.2% conv.
skin lightening soap69K/yr +19.0%3.1% conv.
skin brightening soap47K/yr +12.0%3.1% conv.
kojie san44K/yr +24.8%4.0% conv.
skin whitening soap43K/yr -11.4%2.5% conv.
bleaching soap35K/yr +23.7%2.1% conv.

All search terms

Top kojic acid soap 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 11 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Kojie San Skin and Body Brightening Soap - Original Kojic Acid Dark Spot Remover Bar Soap with Glycerin & Tea Tree Oil - 65g x 2 Bars

Kojie San$8.634.3★31,801 rev

VALITIC Kojic Acid Dark Spot Remover Soap Bars with Vitamin C Retinol Collagen Turmeric - Original Japanese Complex Infused with Hyaluronic Acid Vitamin E Shea Butter Castile Olive Oil (2 Pack)

VALITIC$14.224.3★71,606 rev

Kojie San Original Kojic Acid Soap for Face and Body Dark Spot Remover Gentle Cleansing Bar with Coconut Oil Tea Tree Oil and Glycerin Helps Improve Skin Appearance 65g x 1 Bar

Kojie San$5.954.3★31,801 rev

ORIENTLEAF Kojic Acid Soap Turmeric Soap Bar for Dark Spots Fresh Citrus Scent Gentle for Face and Body Wash with Vitamin C Shea Butter Retinol Gifts for Women (3 PACK)

ORIENTLEAF$6.354.4★4,948 rev

VALITIC Kojic Acid Dark Spot Remover Soap Bars with Vitamin C Retinol Collagen Turmeric - Original Japanese Complex Infused with Hyaluronic Acid Vitamin E Shea Butter Castile Olive Oil (3 Pack)

VALITIC$15.684.3★71,606 rev

Newest

by launch date

OAKDOLCHE 5 Pack Turmeric Kojic Acid Soap Bars(80g) - Infused with Retinol Hydrolyzed Collagen Vitamin E & Shea Butter Gentle Care for Face Body & Underarms SLS Free Suitable for Oily & Dry Skin

OAKDOLCHE$7.921,111 rev

11mo ago

Good Molecules Brightening & Dark Spots Bar - Soap Free Face and Body Bar - Tranexamic Kojic Acids and Niacinamide to Target Dark Spots - Skin Care

Good Molecules$8.073,171 rev

1y ago

Kitsch Kojic Acid Soap Turmeric Soap Bar with Hyaluronic Acid & Shea Butter Brightening & Hydrating Body Wash & Face Wash for Dark Spots Even Skin Tone & Natural Glow - Made in USA - 4 oz

Kitsch$10.549,966 rev

2y ago

ORIENTLEAF Kojic Acid Soap Turmeric Soap Bar for Dark Spots Fresh Citrus Scent Gentle for Face and Body Wash with Vitamin C Shea Butter Retinol Gifts for Women (3 PACK)

ORIENTLEAF$6.354,948 rev

2y ago

Kojie San Original Kojic Acid Soap for Face and Body Dark Spot Remover Gentle Cleansing Bar with Coconut Oil Tea Tree Oil and Glycerin Helps Improve Skin Appearance 65g x 1 Bar

Kojie San$5.9531,801 rev

3y ago

What buyers say about kojic acid soap

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

What buyers love

Smell15%

“Awesome smell”

Suitability Combination Skin11%

“Good for sensitive skin”

Quality-Overall10%

“Excellent product”

Efficiency8%

“Found to be effective”

Soft Feel8%

“My skin is so soft”

Cleansing7%

“very clean”

Symptom Reduction5%

“it is really working out well with clearing up my acne”

Value For Money4%

“Great value”

Moist/Dry3%

“Really good moisturizer”

Lather3%

“Easy to lather”

What buyers complain about

Functionality-Overall18%

“it never worked”

Symptom Reduction7%

“have had no improvements in my skin”

Size-Overall7%

“Soaps too small”

Allergies7%

“Itchy”

Smell6%

“The fragrance is extremely strong”

Skin Health5%

“After seeing my dermatologist I was told it was essentially a chemical burn along with a case of perioral dermatitis triggered by the product”

Moist/Dry4%

“Makes skin dry”

Value For Money3%

“expensive”

Lather3%

“Doesn't lather up”

Stain Resistance3%

“Stains sink”

Top return reasons

Smell16%

Advertised Vs Actual Product15%

Functionality-Overall12%

Size-Overall11%

Value For Money7%

Defective Material/Parts4%