---
title: "Round Lab Sunscreen — $2.4M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/round-lab-sunscreen"
last_updated: "2026-08-10T13:14:23.559Z"
locale: en
meta:
  description: "Niche score 64/100 · $2.4M/yr market · 2.0M searches/yr · $19.33 avg price. Clears our launch bar. Data updated Jul 2026."
  "og:description": "Niche score 64/100 · $2.4M/yr market · 2.0M searches/yr · $19.33 avg price. Clears our launch bar. Data updated Jul 2026."
  "og:title": "Round Lab Sunscreen — $2.4M/yr Amazon US Niche (2026) - Flapen"
---

# **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 95Growth 67Conversion 68Competition 40Returns 94Price range 92Avg price 86Brand share 19Review moat 46Quality gap 47

**Market size**

**Incredible****$2.4M**

$2.4M/yr · 2.0M searches

**Returns**

**Great****1.0%**

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**

**Good****6.1%**

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**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Okay****1,928.53**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Okay****61%**

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

**Brand share**

**Bad****92%**

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 ~~](https://flapen.com/research/methodology)

## **round lab sunscreen market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**125K–150K**</dd><dd>avg 6,000–8,000/product</dd>

<dt>**Revenue / yr**</dt><dd>**$2.4M–$2.9M**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**6.1%**</dd>

<dt>**Avg BSR**</dt><dd>**#440**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**94%**</dd>

<dt>**Out of stock**</dt><dd>**3.9%**</dd>

<dt>**Avg brand age**</dt><dd>**45 months**</dd>

<dt>**Avg seller age**</dt><dd>**120 days**</dd>

</dl>

## **Competition & brand share**

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

**Brands**

**8 **▼falling

**Sellers**

**36**

**Top-5 brand share**

**92%**

Top 20: 100%

**Top-5 click share**

**61%**

Top 20: 100%

**Open market**

**5%**

- 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.

225K175KSpike '24Holiday '24Spike '25Prime Day '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay

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

[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/round-lab-sunscreen/trend)

## **Top round lab sunscreen search terms**

- **innisfree sunscreen**433K/yr+116.5%8.1% conv. - **round lab sunscreen**294K/yr+47.8%6.1% conv. - **sunscreen korean**260K/yr+24.5%4.1% conv. - **protector solar coreano**182K/yr-9.8%1.1% conv. - **cosrx sunscreen**154K/yr+26.2%6.1% conv. - **korean spf**110K/yr+38.4%3.1% conv. - **roundlab sunscreen**93K/yr+45.1%6.9% conv. - **mixsoon sunscreen**87K/yr+21.8%8.4% conv. - **korean mineral sunscreen**61K/yr+52.7%1.1% conv. - **birch juice moisturizing sunscreen**60K/yr+29.6%8.6% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/round-lab-sunscreen/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.

0%10%$237K20%$474K30%$711K40%$948K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

[1![Innisfree Daily UV Defense SPF 36 Korean Face Sunscreen Invisible Finish Broad Spectrum No White Cast Lightweight Hydrating](https://m.media-amazon.com/images/I/41irOnF3T2L.jpg)**Innisfree Daily UV Defense SPF 36 Korean Face Sunscreen Invisible Finish Broad Spectrum No White Cast Lightweight Hydrating**innisfree**$16.81**4.6★7,497 rev](https://www.amazon.com/dp/B08WZS7LVN) [2![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](https://m.media-amazon.com/images/I/3163ZdjGa9L.jpg)**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**$19.51**4.4★2,310 rev](https://www.amazon.com/dp/B0DJGWH3TC) [3![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](https://m.media-amazon.com/images/I/31uzq1QKibL.jpg)**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**$17.87**4.5★4,593 rev](https://www.amazon.com/dp/B09ZY7468X) [4![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](https://m.media-amazon.com/images/I/31auKu1cFTL.jpg)**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**$32.24**4.4★2,310 rev](https://www.amazon.com/dp/B0FQ531HJL) [5![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](https://m.media-amazon.com/images/I/317AksWjwSL.jpg)**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**$14.44**4.6★110 rev](https://www.amazon.com/dp/B0GR23K9GY)

**~~View all top sellers →~~**

### **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](https://m.media-amazon.com/images/I/317AksWjwSL.jpg)**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**$14.44**110 rev1mo ago](https://www.amazon.com/dp/B0GR23K9GY) [![innisfree Daily UV Defense Sunscreen SPF 50+ PA++++ Korean Face- & Body Sunscreen Invisible Finish Broad Spectrum No White Cast Lightweight Hydrating Jumbo](https://m.media-amazon.com/images/I/31WV4fL5S4L.jpg)**innisfree Daily UV Defense Sunscreen SPF 50+ PA++++ Korean Face- & Body Sunscreen Invisible Finish Broad Spectrum No White Cast Lightweight Hydrating Jumbo**innisfree**$25.33**26 rev1mo ago](https://www.amazon.com/dp/B0GR1Y4SJM) [![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](https://m.media-amazon.com/images/I/319AS3N82+L.jpg)**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**$23.63**51 rev3mo ago](https://www.amazon.com/dp/B0GXF8YXXV) [![innisfree Daily UV Defense Sunscreen Stick SPF 50+ | Korean Sunscreen Stick for Face and Body with Blurring Finish | Water Resistant | For All Skin Types](https://m.media-amazon.com/images/I/31jAlW+5BCL.jpg)**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**$18.63**63 rev3mo ago](https://www.amazon.com/dp/B0GFFH9H4K) [![Relief Sun Organic Korean sunscreen SPF50+ PA++++ Riceand Probiotics | Korean Skin Care Solution for All Skin TypesNourishing Skin Protection and UV Def1PCS)](https://m.media-amazon.com/images/I/31Hu2QXP5FL.jpg)**Relief Sun Organic Korean sunscreen SPF50+ PA++++ Riceand Probiotics | Korean Skin Care Solution for All Skin TypesNourishing Skin Protection and UV Def1PCS)**RELIEF SUN**$18.71**721 rev7mo ago](https://www.amazon.com/dp/B0G4Z5G1NT)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![innisfree Daily UV Defense Sunscreen Stick SPF 50+ | Korean Sunscreen Stick for Face and Body with Blurring Finish | Water Resistant | For All Skin Types](https://m.media-amazon.com/images/I/31jAlW+5BCL.jpg)**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**$18.63**4.6★**▲ 155%**](https://www.amazon.com/dp/B0GFFH9H4K) [![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](https://m.media-amazon.com/images/I/317AksWjwSL.jpg)**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**$14.44**4.6★**▲ 154%**](https://www.amazon.com/dp/B0GR23K9GY) [![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](https://m.media-amazon.com/images/I/319AS3N82+L.jpg)**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**$23.63**4.2★**▲ 154%**](https://www.amazon.com/dp/B0GXF8YXXV) [![innisfree Daily UV Defense Sunscreen SPF 50+ PA++++ Korean Face- & Body Sunscreen Invisible Finish Broad Spectrum No White Cast Lightweight Hydrating Jumbo](https://m.media-amazon.com/images/I/31WV4fL5S4L.jpg)**innisfree Daily UV Defense Sunscreen SPF 50+ PA++++ Korean Face- & Body Sunscreen Invisible Finish Broad Spectrum No White Cast Lightweight Hydrating Jumbo**innisfree**$25.33**5.0★**▲ 153%**](https://www.amazon.com/dp/B0GR1Y4SJM) [![SKIN1004 Centella Hyalu-Cica Water-Fit Sun Serum UV Korean Sunscreen SPF 50 Centella Sunscreen Travel Essentials Sunscreen with Hyaluronic Acid No White Cast Korean Skin Care 1.69 fl.oz / 50ml](https://m.media-amazon.com/images/I/21YL9HZ-UjL.jpg)**SKIN1004 Centella Hyalu-Cica Water-Fit Sun Serum UV Korean Sunscreen SPF 50 Centella Sunscreen Travel Essentials Sunscreen with Hyaluronic Acid No White Cast Korean Skin Care 1.69 fl.oz / 50ml**SKIN1004**$18.17**4.5★**▲ 87%**](https://www.amazon.com/dp/B0FXH5LHN8)

**~~View all trending →~~**

## **What buyers say about round lab sunscreen**

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

### **What buyers love **

**Suitability Combination Skin**13%

*“Great for sensitive skin”*

**Moist/Dry**10%

*“Super hydrating”*

**Quality-Overall**8%

*“Great product over all”*

**Weight Light**7%

*“Lightweight and blends easily”*

**Soft Feel**5%

*“makes my skin soft”*

**Suitability Dry Skin**4%

*“which I love on my dry skin”*

**Texture/Consistency-Overall**4%

*“great texture”*

**Brightness/Shine/Glow**4%

*“natural glow”*

**Suitability Oily Skin**4%

*“Oily skin friendly”*

**Smell**3%

*“Fragrance Free”*

### **What buyers complain about **

**Smell**10%

*“Very scented”*

**Allergies**10%

*“Allergic reaction”*

**Color**7%

*“Made me look so pale”*

**Oily/Greasy**6%

*“Kind of oily”*

**Skin Health**4%

*“burns with my usual skin care”*

**Suitability Oily Skin**3%

*“Make my skin to oily”*

**Sensitivity-Overall**3%

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

**Value For Money**3%

*“Not worth the price”*

**Moist/Dry**3%

*“Not super hydrating”*

**Thickness**2%

*“It comes out thicker”*

### **Top return reasons **

**Advertised Vs Actual Product**17%

**Oily/Greasy**8%

**Smell**7%

**Value For Money**7%

**Ingredients-Overall**6%

**Functionality-Overall**4%

**Texture/Consistency-Overall**4%

**Suitability Combination Skin**4%

**Skin Health**4%

**Size-Overall**3%

## **Common questions**

<dl>

<dt>**Is round lab sunscreen profitable to sell on Amazon United States?**</dt><dd>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).</dd>

<dt>**How competitive is the round lab sunscreen niche?**</dt><dd>8 brands and 36 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 92% of demand.</dd>

<dt>**What do buyers complain about in round lab sunscreen?**</dt><dd>Top complaints mined from reviews: Smell, Allergies, Color. The return rate is 1.0%.</dd>

<dt>**When does demand for round lab sunscreen peak?**</dt><dd>Demand peaks in May–Jun–Jul; the busiest month runs 2.9× the quietest.</dd>

<dt>**What does it cost to enter the round lab sunscreen niche?**</dt><dd>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.</dd>

</dl>

## **Related niches in Beauty & Personal Care**

- 75 [**bio oil lotion**](https://flapen.com/research/us/beauty-personal-care/bio-oil-lotion)$654K/yr+95.9%**Worth a look**- 75 [**glossier futuredew serum**](https://flapen.com/research/us/beauty-personal-care/glossier-futuredew-serum)$344K/yr+383.6%**Worth a look**- 75 [**press on toenails**](https://flapen.com/research/us/beauty-personal-care/press-on-toenails)$2.4M/yr+79.4%**Launch it**- 75 [**skulta deep peptide eye mask**](https://flapen.com/research/us/beauty-personal-care/skulta-deep-peptide-eye-mask)$58K/yr>1,000%**Worth a look**- 75 [**mineral sunscreen spray**](https://flapen.com/research/us/beauty-personal-care/mineral-sunscreen-spray)$3.8M/yr+183.8%**Launch it**- 76 [**collagen oil**](https://flapen.com/research/us/beauty-personal-care/collagen-oil)$344K/yr+116.2%**Worth a look**[**All Beauty & Personal Care niches **](https://flapen.com/research/us/beauty-personal-care)