---
title: "cosmoline — Niche Verdict: Skip it (41/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/cosmoline"
last_updated: "2026-07-09T21:44:49.417Z"
locale: en
meta:
  description: "a small market ($92K/yr) — cosmoline doesn't clear our bar today."
  "og:description": "a small market ($92K/yr) — cosmoline doesn't clear our bar today."
  "og:title": "cosmoline — Niche Verdict: Skip it (41/100) | Amazon United States - Flapen"
---

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# **cosmoline**

**Skip it****41/100 **

a small market ($92K/yr) — cosmoline doesn't clear our bar today.

**Market/yr**

**$92K**

**Growth (1y)**

**+113.1%**

**Products**

**19**

**Brands**

**13**

was 10 a year ago

**Sellers**

**101**

**Price range**

**$14.22–$168.09**

**Returns**

**1.1%**

**Rating**

**4.6★**

**Skip it**

Scored 41/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns

Market size

**5**

 ×0.30

Growth

**67**

 ×0.30

Competition

**39**

 ×0.20

Quality gap

**29**

 ×0.10

Returns

**91**

 ×0.10

## **Demand**

Weekly Amazon search volume, last 89 weeks — +113.1% year over year.

1K627Spike '25Spike '26Oct '24Feb '25May '25Aug '25Nov '25Mar '26

## **Seasonality**

Monthly demand index across the year — 1.00 is average.

JFMAMJJASOND

Peak months: Apr, Oct · busiest ÷ quietest = 2.0×

## **Competition**

- APOWUS21% - FraFr.gancia18% - Cosmoline Direct, LLC11% - RP Military-Grade Rust Preventatives10% - CRC9% - TEAYIR8% - Other (7 brands)23%

The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them. 13 brands and 101 sellers compete here.

**Brands**

**13 **▲rising

was 10 a year ago

**Sellers**

**101**

**Top 5 brand share**

**69%**

#ProductBrandPriceRatingReviewsClick shareTrend

1
![Cosmoline RP-342 Heavy Rust Preventative Spray (Military-Grade) 3-Cans](https://m.media-amazon.com/images/I/51QV6uO6wML.jpg) [**Cosmoline RP-342 Heavy Rust Preventative Spray (Military-Grade) 3-Cans**](https://www.amazon.com/dp/B01MRRYDMZ)

APOWUS$49.664.8★34121%▼falling

2
![Cosmoline RP-342 Black Rust Preventive Spray (Military-Grade) 3-Cans](https://m.media-amazon.com/images/I/412IoRVjcTL.jpg) [**Cosmoline RP-342 Black Rust Preventive Spray (Military-Grade) 3-Cans**](https://www.amazon.com/dp/B0888RNS9H)

FraFr.gancia$49.824.8★32218%▲rising

3
![Cosmoline RP-342 Black Rust Preventive Spray (Military-Grade) 6-Cans](https://m.media-amazon.com/images/I/51DyRGK+acL.jpg) [**Cosmoline RP-342 Black Rust Preventive Spray (Military-Grade) 6-Cans**](https://www.amazon.com/dp/B0888PB5G7)

Cosmoline Direct, LLC$89.584.6★20510%▼falling

4
![Cosmoline RP-342 Black Rust Preventive Spray (Military-Grade) 1-Can](https://m.media-amazon.com/images/I/41LpxM6vAPL.jpg) [**Cosmoline RP-342 Black Rust Preventive Spray (Military-Grade) 1-Can**](https://www.amazon.com/dp/B0888RF571)

TEAYIR$22.254.6★718%—flat

5
![Cosmoline RP-342 Heavy Rust Preventative Spray (Military-Grade) 6-Cans](https://m.media-amazon.com/images/I/51EVVOEcsRL.jpg) [**Cosmoline RP-342 Heavy Rust Preventative Spray (Military-Grade) 6-Cans**](https://www.amazon.com/dp/B01MTV41O0)

RP Military-Grade Rust Preventatives$86.044.7★3278%▼falling

6
![RP Military-Grade Rust Preventatives Cosmoline RP-342 Heavy Rust Preventative (Military-Grade) - 1-Gallon Can](https://m.media-amazon.com/images/I/41M5-ARkiiL.jpg) [**RP Military-Grade Rust Preventatives Cosmoline RP-342 Heavy Rust Preventative (Military-Grade) - 1-Gallon Can**](https://www.amazon.com/dp/B09M2GMSGM)

UmiMirari$96.854.6★246%▼falling

7
![CRC 06026 Heavy Duty Corrosion Inhibitor 10 Wt Oz](https://m.media-amazon.com/images/I/41lSUvRHWqL.jpg) [**CRC 06026 Heavy Duty Corrosion Inhibitor 10 Wt Oz**](https://www.amazon.com/dp/B0000AXYA0)

CRC$14.224.7★2,0084%▲rising

8
![CRC 06026 Heavy Duty Corrosion Inhibitor 10 Wt Oz - 4 PACK](https://m.media-amazon.com/images/I/51jwuzdOQ1L.jpg) [**CRC 06026 Heavy Duty Corrosion Inhibitor 10 Wt Oz - 4 PACK**](https://www.amazon.com/dp/B07N1VXTVW)

CRC$36.664.6★8593%▲rising

9
![Birchwood Casey Rig Universal Gun Grease | Long-Lasting Superior Lubricant & Preservative for Reliable Gun Protection from Rust & Corrosion | 12-Ounce Jar](https://m.media-amazon.com/images/I/51yuFEY+VfL.jpg) [**Birchwood Casey Rig Universal Gun Grease | Long-Lasting Superior Lubricant & Preservative for Reliable Gun Protection from Rust & Corrosion | 12-Ounce Jar**](https://www.amazon.com/dp/B003ITB8NS)

Birchwood Casey$21.384.8★1,7173%▲rising

10

![LHI 50L Tactical Duffle Bag for Men 3-in-1 Gym Duffle and Backpack Shoe Compartment Laptop Sleeve and MOLLE Carry-On Travel Weekender and Overnight Bag Black](https://m.media-amazon.com/images/I/41ajIOkrZyL.jpg) [**LHI 50L Tactical Duffle Bag for Men 3-in-1 Gym Duffle and Backpack Shoe Compartment Laptop Sleeve and MOLLE Carry-On Travel Weekender and Overnight Bag Black**](https://www.amazon.com/dp/B0FSL71VG3)

LHI$30.124.6★1393%▲rising

11

![Cosmoline RP-342 Heavy Rust Preventative Spray (Military-Grade) 12-Cans](https://m.media-amazon.com/images/I/51EVVOEcsRL.jpg) [**Cosmoline RP-342 Heavy Rust Preventative Spray (Military-Grade) 12-Cans**](https://www.amazon.com/dp/B01NCF65X4)

RP Military-Grade Rust Preventatives$157.444.7★3273%—flat

12

![STOVER Garment Travel Duffle Bag Large 2-in-1 Convertible Carry-on Luggage for Men & Women- Hanging Suits Dresses & Clothes + Shoe Compartment- Weekender Tote Combo Duffel (Brown Leatherette)](https://m.media-amazon.com/images/I/41WY1uIzYvL.jpg) [**STOVER Garment Travel Duffle Bag Large 2-in-1 Convertible Carry-on Luggage for Men & Women- Hanging Suits Dresses & Clothes + Shoe Compartment- Weekender Tote Combo Duffel (Brown Leatherette)**](https://www.amazon.com/dp/B0D7BS89HH)

STOVER$60.324.1★2502%▲rising

13

![Cosmoline RP-342 Black Rust Preventive Spray (Military-Grade) 12-Cans](https://m.media-amazon.com/images/I/51DyRGK+acL.jpg) [**Cosmoline RP-342 Black Rust Preventive Spray (Military-Grade) 12-Cans**](https://www.amazon.com/dp/B0888QPBX1)

CRACLU$159.084.5★572%—flat

14

![CRC Sp-400 Corrosion Inhibitor 10 Wt Oz Seals Out Moisture Completely For All Bare Metals Long-Term Indoor/Outdoor Protection NSF H2 Registered Aerosol Spray](https://m.media-amazon.com/images/I/31UzPV0e+xL.jpg) [**CRC Sp-400 Corrosion Inhibitor 10 Wt Oz Seals Out Moisture Completely For All Bare Metals Long-Term Indoor/Outdoor Protection NSF H2 Registered Aerosol Spray**](https://www.amazon.com/dp/B000P1HKKM)

CRC$17.144.6★4142%▼falling

15

![JENOLITE Waxoil Rust Prevention Aerosol Car/Bike/Motorcycle Corrosion Protection Spray 500ml (16.9 fl oz)](https://m.media-amazon.com/images/I/31Wh7iKOoxL.jpg) [**JENOLITE Waxoil Rust Prevention Aerosol Car/Bike/Motorcycle Corrosion Protection Spray 500ml (16.9 fl oz)**](https://www.amazon.com/dp/B07VNMN1YR)

JENOLITE$15.974.6★9412%▲rising

**~~Showing 15 of 19 — show all ~~**

## **Product shelf**

All 19 tracked products in this niche.

Top sellersNewestTrending

[![Cosmoline RP-342 Heavy Rust Preventative Spray (Military-Grade) 3-Cans](https://m.media-amazon.com/images/I/51QV6uO6wML.jpg)**Cosmoline RP-342 Heavy Rust Preventative Spray (Military-Grade) 3-Cans** APOWUS**$49.66**4.8★341 reviews](https://www.amazon.com/dp/B01MRRYDMZ) [![Cosmoline RP-342 Black Rust Preventive Spray (Military-Grade) 3-Cans](https://m.media-amazon.com/images/I/412IoRVjcTL.jpg)**Cosmoline RP-342 Black Rust Preventive Spray (Military-Grade) 3-Cans** FraFr.gancia**$49.82**4.8★322 reviews](https://www.amazon.com/dp/B0888RNS9H) [![Cosmoline RP-342 Black Rust Preventive Spray (Military-Grade) 6-Cans](https://m.media-amazon.com/images/I/51DyRGK+acL.jpg)**Cosmoline RP-342 Black Rust Preventive Spray (Military-Grade) 6-Cans** Cosmoline Direct, LLC**$89.58**4.6★205 reviews](https://www.amazon.com/dp/B0888PB5G7) [![Cosmoline RP-342 Black Rust Preventive Spray (Military-Grade) 1-Can](https://m.media-amazon.com/images/I/41LpxM6vAPL.jpg)**Cosmoline RP-342 Black Rust Preventive Spray (Military-Grade) 1-Can** TEAYIR**$22.25**4.6★71 reviews](https://www.amazon.com/dp/B0888RF571) [![Cosmoline RP-342 Heavy Rust Preventative Spray (Military-Grade) 6-Cans](https://m.media-amazon.com/images/I/51EVVOEcsRL.jpg)**Cosmoline RP-342 Heavy Rust Preventative Spray (Military-Grade) 6-Cans** RP Military-Grade Rust Preventatives**$86.04**4.7★327 reviews](https://www.amazon.com/dp/B01MTV41O0) [![RP Military-Grade Rust Preventatives Cosmoline RP-342 Heavy Rust Preventative (Military-Grade) - 1-Gallon Can](https://m.media-amazon.com/images/I/41M5-ARkiiL.jpg)**RP Military-Grade Rust Preventatives Cosmoline RP-342 Heavy Rust Preventative (Military-Grade) - 1-Gallon Can** UmiMirari**$96.85**4.6★24 reviews](https://www.amazon.com/dp/B09M2GMSGM) [![CRC 06026 Heavy Duty Corrosion Inhibitor 10 Wt Oz](https://m.media-amazon.com/images/I/41lSUvRHWqL.jpg)**CRC 06026 Heavy Duty Corrosion Inhibitor 10 Wt Oz** CRC**$14.22**4.7★2,008 reviews](https://www.amazon.com/dp/B0000AXYA0) [![CRC 06026 Heavy Duty Corrosion Inhibitor 10 Wt Oz - 4 PACK](https://m.media-amazon.com/images/I/51jwuzdOQ1L.jpg)**CRC 06026 Heavy Duty Corrosion Inhibitor 10 Wt Oz - 4 PACK** CRC**$36.66**4.6★859 reviews](https://www.amazon.com/dp/B07N1VXTVW)

## **Reviews**

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

### **What buyers love **

**Quality-Overall**20%

*“It has the feel of a premium product that is very well made”*

**Rusts/Corrodes**14%

*“Rust proofing”*

**Value For Money**11%

*“Worth it”*

**Durability**8%

*“Durable and easy to use”*

**Storage Capacity**5%

*“Plenty of room”*

**Strength**4%

*“Holding up good so far”*

**Design-Overall**4%

*“Well made in terms of design, versatility and quality”*

**Pockets/Compartments**3%

*“Pretty bag with lots of pockets”*

**Size-Overall**2%

*“the perfect size”*

**Zipper Quality**2%

*“Looks great and the zippers were fairly easy”*

### **What buyers complain about **

**Rusts/Corrodes**13%

*“Everything was beginning to rust again”*

**Value For Money**5%

*“its expensive as fuq”*

**Adhesion/Stickiness**5%

*“This stuff doesn't stick”*

**Color**5%

*“The color was darker that it looked on the web site”*

**Quality-Overall**4%

*“Is a little cheap looking”*

**Weight Heavy**4%

*“Too heavy without wheels”*

**Spray/Flow**3%

*“Not compatible with spray wands with a female can interface”*

**Wheel Quality**3%

*“One regret is not on wheels”*

**Advertised Vs Actual Product**3%

*“didnt get the flag, like it shows on picture”*

**Material Quality**3%

*“Material was fairly cheap”*

#### **Top return reasons**- Size-Overall48% - Zipper Quality9% - Advertised Vs Actual Product7% - Color5% - Weight Heavy5% - Material Quality3% - Width3% - Wrong Dimensions2% - Strength2% - Shape/Style2%