---
title: "Kosas Sunscreen — $225K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/kosas-sunscreen"
last_updated: "2026-08-11T20:44:46.847Z"
locale: en
meta:
description: "Niche score 51/100 · $225K/yr market. Brand-locked demand (top 5 brands take 98% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 51/100 · $225K/yr market. Brand-locked demand (top 5 brands take 98% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Kosas Sunscreen — $225K/yr Amazon US Niche (2026) - Flapen"
---
# **kosas sunscreen**
**Worth a look**
Shows low returns (1.1%), but brand-locked demand (top 5 brands take 98% of clicks) keeps it on the watch list.
Market size 43Growth 57Conversion 75Competition 11Returns 94Price range 63Avg price 79Brand share 6Review moat 22Quality gap 83
**Returns**
**Great****1.1%**
return rate — above 5% kills the launch gate
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Great****$16.41**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****7.1%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Good****$9.15–$24.77**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Good****+31.4%**
90-day search growth — must beat 0% to launch
**Market size**
**Okay****$225K**
$225K/yr · 193K searches
**Review moat**
**Bad****9,916.9**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****87%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****98%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, kosas sunscreen is a $225K/yr Amazon United States market (193K searches/yr). The top 5 brands hold 98% of demand. Demand peaks in Jun–Jul. Verdict: Worth a look — 51/100.
Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **kosas sunscreen market data**
- **Units sold / yr**
- **15K–20K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **$246K–$328K**
- units × avg price
- **Conversion rate**
- **7.1%**
- **Avg BSR**
- **#96**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **70%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **56 months**
- **Avg seller age**
- **132 days**
## **Competition & brand share**
The top 5 products capture 87% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**6 **▼falling
**Sellers**
**28**
**Top-5 brand share**
**98%**
Top 20: 100%
**Top-5 click share**
**87%**
Top 20: 100%
**Open market**
**0%**
- Kosas74% - Saltair11% - Chemist at Play7% - Secret3% - Billie3% - Salt & Stone2%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +31.4% search growth over the last 90 days.
80K60KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jun, Jul · busiest ÷ quietest = 4.3×
[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/kosas-sunscreen/trend)
## **Top kosas sunscreen search terms**
- **kosas deodorant**56K/yr+29.2%12.2% conv. - **aha deodorant**39K/yr+83.8%1.6% conv. - **serum deodorant**16K/yr+41.5%0.9% conv. - **kosas chemistry aha serum deodorant**10K/yr+44.3%8.3% conv. - **aha deodorant for women**10K/yr+33.4%1.7% conv. - **kosas deodorant for women**31K/yr-47.3%7.8% conv. - **kosas sport deodorant**3K/yr+106.7%9.8% conv. - **kosasport deodorant**7K/yr+2.3%11.4% conv. - **aha bha deodorant**3K/yr+89.2%1.1% conv. - **deodorant serum**3K/yr+22.6%1.0% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/kosas-sunscreen/search-terms)
## **Top kosas 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%$22K20%$45K30%$67K40%$90K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Kosas Chemistry Deodorant - Aluminium and Baking Soda Free + BO-Fighting AHA Serum that Exfoliates Softens and Nourishes the Skin (Serene Clean)**Kosas**$18.95**4.1★2,806 rev](https://www.amazon.com/dp/B0927XTX1Q) [2**Kosas Chemistry Deodorant - Aluminium and Baking Soda Free + BO-Fighting AHA Serum that Exfoliates Softens and Nourishes the Skin (Beachy Clean)**Kosas**$18.94**4.1★2,806 rev](https://www.amazon.com/dp/B0B3JV62VS) [3**Kosas Chemistry Deodorant - Aluminium and Baking Soda Free + BO-Fighting AHA Serum that Exfoliates Softens and Nourishes the Skin (Fragrance Free)**Kosas**$18.78**4.1★2,806 rev](https://www.amazon.com/dp/B0927XMY4M) [4**Saltair Serum Deodorant Signature Scents 2 Pack. 5% AHA Formula. Lactic Acid and Mandelic Acid Deodorant. Aluminum Free Odor Control for Women and Men. Travel Essentials 2x 1.7oz Roll On**Saltair**$24.77**4.2★2,783 rev](https://www.amazon.com/dp/B0DLLKR4X8) [5**Chemist at Play UnderArm Roll-On with 5% AHA|Lactic & Mandelic Acid|Prevents Odour Brightens Skin & Exfoliates Underarm|For Sensitive Skin|White Jasmine Fragrance|Alcohol & Aluminium Free| 1.35 fl oz**Chemist at Play**$9.28**4.2★20,637 rev](https://www.amazon.com/dp/B0C6KTQXP5)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Saltair Serum Deodorant 2 Pack 5% AHA Aluminum-Free Odor Control for Women & Men Mandelic Acid Deodorant with Lactic Acid Seascape Scent 2x 1.7oz Travel Roll On**Saltair**$22.57**2,783 rev1y ago](https://www.amazon.com/dp/B0F1F2K229) [**Billie AHA Deodorant 24-hour Odor-Preventing Gel Aluminum-Free Botanic Air 1.7oz**Billie**$10.00**337 rev1y ago](https://www.amazon.com/dp/B0DG3JRWR9) [**Saltair Serum Deodorant Signature Scents 2 Pack. 5% AHA Formula. Lactic Acid and Mandelic Acid Deodorant. Aluminum Free Odor Control for Women and Men. Travel Essentials 2x 1.7oz Roll On**Saltair**$24.77**2,783 rev1y ago](https://www.amazon.com/dp/B0DLLKR4X8) [**Chemist at Play UnderArm Roll-On with 5% AHA|Lactic & Mandelic Acid|Prevents Odour Brightens Skin & Exfoliates Underarm|For Sensitive Skin|White Jasmine Fragrance|Alcohol & Aluminium Free| 1.35 fl oz**Chemist at Play**$9.28**20,637 rev2y ago](https://www.amazon.com/dp/B0C6KTQXP5) [**Chemist at Play UnderArm Roll-On with 5% AHA| Lactic & Mandelic Acid|Prevents Odour Brightens Skin & Exfoliates Underarm | For Sensitive Skin | Aqua Fragrance | Alcohol & Aluminium Free | 1.35 fl oz**Chemist at Play**$9.15**20,637 rev4y ago](https://www.amazon.com/dp/B09YRC6FBC)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Saltair Serum Deodorant 2 Pack 5% AHA Aluminum-Free Odor Control for Women & Men Mandelic Acid Deodorant with Lactic Acid Seascape Scent 2x 1.7oz Travel Roll On**Saltair**$22.57**4.2★**▲ 212%**](https://www.amazon.com/dp/B0F1F2K229) [**Secret Clinical Strength Invisible Solid Antiperspirant Deodorant for Women 100HR Sweat & Odor Protection 3X Stress Protection with Hyaluronic Acid PH Balanced Completely Clean Scent 2.6 oz**Secret**$12.42**4.6★**▲ 102%**](https://www.amazon.com/dp/B00HF3XSO0) [**Chemist at Play UnderArm Roll-On with 5% AHA|Lactic & Mandelic Acid|Prevents Odour Brightens Skin & Exfoliates Underarm|For Sensitive Skin|White Jasmine Fragrance|Alcohol & Aluminium Free| 1.35 fl oz**Chemist at Play**$9.28**4.2★**▲ 29%**](https://www.amazon.com/dp/B0C6KTQXP5) [**Kosas Chemistry Deodorant - Aluminium and Baking Soda Free + BO-Fighting AHA Serum that Exfoliates Softens and Nourishes the Skin (Fragrance Free)**Kosas**$18.78**4.1★**— 7%**](https://www.amazon.com/dp/B0927XMY4M) [**Chemist at Play UnderArm Roll-On with 5% AHA| Lactic & Mandelic Acid|Prevents Odour Brightens Skin & Exfoliates Underarm | For Sensitive Skin | Aqua Fragrance | Alcohol & Aluminium Free | 1.35 fl oz**Chemist at Play**$9.15**4.2★**— 2%**](https://www.amazon.com/dp/B09YRC6FBC)
**~~View all trending →~~**
## **What buyers say about kosas sunscreen**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Smell**48%
*“Fresh scent”*
**Quality-Overall**6%
*“Excellent Product”*
**Efficiency**5%
*“It works really well”*
**Value For Money**4%
*“Affordable price”*
**Allergies**3%
*“no skin irritation”*
**Durability**3%
*“stays on the whole day”*
**Moist/Dry**3%
*“I stayed dry”*
**Advertised Vs Actual Product**2%
*“Does what it's suppose to”*
**Soft Feel**1%
*“Goes on smooth”*
**Adhesion/Stickiness**1%
*“Good stick”*
### **What buyers complain about **
**Smell**26%
*“Weird scent”*
**Allergies**16%
*“Skin reaction”*
**Functionality-Overall**7%
*“Doesnt work as described”*
**Value For Money**7%
*“so expensive”*
**Durability**5%
*“Didnt last”*
**Moist/Dry**2%
*“Doesnt keep you dry”*
**Adhesion/Stickiness**2%
*“The stickiness doesnt go away”*
**Skin Health**2%
*“Serious skin irritation”*
**Sensitivity-Overall**1%
*“NOT SENSITIVE SKIN FRIENDLY”*
**Stain Resistance**1%
*“leaves stains all over my clothes”*
### **Top return reasons **
**Smell**57%
**Functionality-Overall**11%
**Advertised Vs Actual Product**8%
**Product Condition**3%
**Defective Material/Parts**3%
**Leak-Proof**2%
**Value For Money**2%
**Adhesion/Stickiness**1%
**Stain Resistance**1%
**Material Quality**1%
## **Common questions**
- **Is kosas sunscreen profitable to sell on Amazon United States?**
- The niche generates $225K/yr across 10 tracked products. 90-day search growth is +31.4%. Flapen's verdict: Worth a look (51/100).
- **How competitive is the kosas sunscreen niche?**
- 6 brands and 28 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 98% of demand.
- **What do buyers complain about in kosas sunscreen?**
- Top complaints mined from reviews: Smell, Allergies, Functionality-Overall. The return rate is 1.1%.
- **When does demand for kosas sunscreen peak?**
- Demand peaks in Jun–Jul; the busiest month runs 4.3× the quietest.
- **What does it cost to enter the kosas sunscreen niche?**
- Listings span $9.15–$24.77; the average listing price is $16.41 (sweet spot $15–$100). The average incumbent carries 9,917 reviews — the moat a new listing must climb.
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