Is round lab sunscreen profitable to sell on Amazon United States?

The niche generates $2.4M/yr across 17 tracked products. 7 of 7 products launched in the last 360 days are still selling. 90-day search growth is +46.5%. Flapen's verdict: Launch it (64/100).

How competitive is the round lab sunscreen niche?

8 brands and 36 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 92% of demand.

What do buyers complain about in round lab sunscreen?

Top complaints mined from reviews: Smell, Allergies, Color. The return rate is 1.0%.

When does demand for round lab sunscreen peak?

Demand peaks in May–Jun–Jul; the busiest month runs 2.9× the quietest.

What does it cost to enter the round lab sunscreen niche?

Listings span $14.43–$32.24; the average listing price is $19.33 (sweet spot $15–$100). The average incumbent carries 1,929 reviews — the moat a new listing must climb.

round lab sunscreen

Launch it

A $2.4M/yr market growing +46.5% this quarter with returns at 1.0% — clears our launch bar.

Market size

Incredible$2.4M

$2.4M/yr · 2.0M searches

Returns

Great1.0%

return rate — above 5% kills the launch gate

Price range

Great$14.43–$32.24

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

Avg price

Great$19.33

avg listing price — sweet spot $15–$100

Conversion

Good6.1%

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

Growth

Good+46.5%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Review moat

Okay1,928.53

avg incumbent reviews — the moat a new listing must climb

Competition

Okay61%

top-5 click share — leaders hold, buyers still browse

Brand share

Bad92%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, round lab sunscreen is a $2.4M/yr Amazon United States market (2.0M searches/yr). The top 5 brands hold 92% of demand. Demand peaks in May–Jun–Jul. Verdict: Launch it — 64/100.

Data updated Jul 17, 2026 · scored weekly · How we score niches

round lab sunscreen market data

Units sold / yr: 125K–150K; avg 6,000–8,000/product
Revenue / yr: $2.4M–$2.9M; units × avg price
Conversion rate: 6.1%
Avg BSR: #440
Page quality: 0%
Prime: 100%
Sponsored: 94%
Out of stock: 3.9%
Avg brand age: 45 months
Avg seller age: 120 days

Competition & brand share

The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.

Brands

8 falling

Sellers

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

61%

Top 20: 100%

Open market

innisfree39%
ROUND LAB32%
COSRX9%
mixsoon6%
SKIN10046%
HARUHARU3%
Open — no brand owns it (2 brands, 5%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +46.5% search growth over the last 90 days.

Peak months: May, Jun, Jul · busiest ÷ quietest = 2.9×

Open Trend

Top round lab sunscreen search terms

innisfree sunscreen433K/yr +116.5%8.1% conv.
round lab sunscreen294K/yr +47.8%6.1% conv.
sunscreen korean260K/yr +24.5%4.1% conv.
protector solar coreano182K/yr -9.8%1.1% conv.
cosrx sunscreen154K/yr +26.2%6.1% conv.
korean spf110K/yr +38.4%3.1% conv.
roundlab sunscreen93K/yr +45.1%6.9% conv.
mixsoon sunscreen87K/yr +21.8%8.4% conv.
korean mineral sunscreen61K/yr +52.7%1.1% conv.
birch juice moisturizing sunscreen60K/yr +29.6%8.6% conv.

All search terms

Top round lab sunscreen 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 17 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Innisfree Daily UV Defense SPF 36 Korean Face Sunscreen Invisible Finish Broad Spectrum No White Cast Lightweight Hydrating

innisfree$16.814.6★7,497 rev

ROUND LAB Birch Juice Moisturizing UV LOCK SPF 45 1.69 Fl Oz Hydrating Lotion-like Lightweight Glow Sunscreen for Sensitive Skin No White Cast Fragrance-Free Protector Solar Korean Sunscreen

ROUND LAB$19.514.4★2,310 rev

COSRX Vitamin E Sunscreen for Oily Skin SPF 50 Natural Glow Face Sunscreen Lightweight Non-Sticky No White Cast Hydrating Beach Essentials Summer Travel Essentials Korean Skincare 1.69 fl oz

COSRX$17.874.5★4,593 rev

ROUND LAB Birch Juice Moisturizing UV LOCK SPF 45 Broadspectrum 1+1 (2-pack) Hydrating Lotion-like Lightweight Glow Sunscreen for Sensitive Skin No White Cast Fragrance-Free Korean Sunscreen

ROUND LAB$32.244.4★2,310 rev

innisfree Daily UV Defense Sunscreen SPF 50+ PA++++ Korean Face & Body Sunscreen Invisible Finish Broad Spectrum No White Cast Lightweight Hydrating Available in Gift Sets & Jumbo

innisfree$14.444.6★110 rev

Newest

by launch date

innisfree Daily UV Defense Sunscreen SPF 50+ PA++++ Korean Face & Body Sunscreen Invisible Finish Broad Spectrum No White Cast Lightweight Hydrating Available in Gift Sets & Jumbo

innisfree$14.44110 rev

1mo ago

innisfree Daily UV Defense Sunscreen SPF 50+ PA++++ Korean Face- & Body Sunscreen Invisible Finish Broad Spectrum No White Cast Lightweight Hydrating Jumbo

innisfree$25.3326 rev

1mo ago

ROUND LAB Birch Juice Moisturizing Sun Serum SPF 50 PDRN Hyaluronic Acid Serum Airy Texture Sunscreen For Face No White Cast Fragrance Free protector solar Korean Skin Care 1.69 Fl Oz

ROUND LAB$23.6351 rev

3mo ago

innisfree Daily UV Defense Sunscreen Stick SPF 50+ | Korean Sunscreen Stick for Face and Body with Blurring Finish | Water Resistant | For All Skin Types

innisfree$18.6363 rev

3mo ago

Relief Sun Organic Korean sunscreen SPF50+ PA++++ Riceand Probiotics | Korean Skin Care Solution for All Skin TypesNourishing Skin Protection and UV Def1PCS)

RELIEF SUN$18.71721 rev

7mo ago

What buyers say about round lab sunscreen

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

What buyers love

Suitability Combination Skin13%

“Great for sensitive skin”

Moist/Dry10%

“Super hydrating”

Quality-Overall8%

“Great product over all”

Weight Light7%

“Lightweight and blends easily”

Soft Feel5%

“makes my skin soft”

Suitability Dry Skin4%

“which I love on my dry skin”

Texture/Consistency-Overall4%

“great texture”

Brightness/Shine/Glow4%

“natural glow”

Suitability Oily Skin4%

“Oily skin friendly”

Smell3%

“Fragrance Free”

What buyers complain about

Smell10%

“Very scented”

Allergies10%

“Allergic reaction”

Color7%

“Made me look so pale”

Oily/Greasy6%

“Kind of oily”

Skin Health4%

“burns with my usual skin care”

Suitability Oily Skin3%

“Make my skin to oily”

Sensitivity-Overall3%

“If you have a sensitive skin do not use it”

Value For Money3%

“Not worth the price”

Moist/Dry3%

“Not super hydrating”

Thickness2%

“It comes out thicker”

Top return reasons

Advertised Vs Actual Product17%

Oily/Greasy8%

Smell7%

Value For Money7%

Ingredients-Overall6%

Functionality-Overall4%