--- title: "prolong — Niche Verdict: Skip it (40/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/automotive/prolong" last_updated: "2026-07-10T00:38:01.555Z" locale: en meta: description: "a small market ($12K/yr) — prolong doesn't clear our bar today." "og:description": "a small market ($12K/yr) — prolong doesn't clear our bar today." "og:title": "prolong — Niche Verdict: Skip it (40/100) | Amazon United States - Flapen" --- Back to Flapen home # **prolong** **Skip it****40/100 ** a small market ($12K/yr) — prolong doesn't clear our bar today. **Market/yr** **$12K** **Growth (1y)** **+103.7%** **Products** **17** **Brands** **12** was 10 a year ago **Sellers** **92** **Price range** **$9.70–$111.96** **Returns** **0.2%** **Rating** **4.5★** **Skip it** Scored 40/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **1** ×0.30 Growth **65** ×0.30 Competition **31** ×0.20 Quality gap **43** ×0.10 Returns **98** ×0.10 ## **Demand** Weekly Amazon search volume, last 104 weeks — +103.7% year over year. 1K716Prime Day '24Black Friday '24Holiday '24Spike '25Holiday '25Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND Peak months: Jan, Dec · busiest ÷ quietest = 1.8× ## **Competition** - Prolong Super Lubricants42% - PROLONG LASH14% - Prolube13% - Liqui Moly6% - Promescent5% - Slick 505% - Other (6 brands)15% The top 5 products take 70% of clicks — established leaders, but buyers still shop beyond them. 12 brands and 92 sellers compete here. **Brands** **12 **▲rising was 10 a year ago **Sellers** **92** **Top 5 brand share** **80%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![Prolong Super Lubricants PSL11000 Engine Treatment - 12 oz White](https://m.media-amazon.com/images/I/51KVgMkKvuL.jpg) [**Prolong Super Lubricants PSL11000 Engine Treatment - 12 oz White**](https://www.amazon.com/dp/B002MGYWI6) Prolong Super Lubricants$33.114.8★2,31223%▼falling 2 ![Prolong Super Lubricants PSL15000 Transmission Treatment 8 oz](https://m.media-amazon.com/images/I/41dwnd0Hc-L.jpg) [**Prolong Super Lubricants PSL15000 Transmission Treatment 8 oz**](https://www.amazon.com/dp/B001DKV5H8) Prolong Super Lubricants$23.694.6★1,47918%▼falling 3 ![Eyelash Extension Shampoo & Brush - Large 100ml Bottle - Gentle Foaming Cleanser Lash Wash for Extensions and Natural Lashes - Safe Daily Makeup Remover - Paraben & Sulphate Free - Salon & Home Use](https://m.media-amazon.com/images/I/417Kw9syk-L.jpg) [**Eyelash Extension Shampoo & Brush - Large 100ml Bottle - Gentle Foaming Cleanser Lash Wash for Extensions and Natural Lashes - Safe Daily Makeup Remover - Paraben & Sulphate Free - Salon & Home Use**](https://www.amazon.com/dp/B088S6YYRH) PROLONG LASH$25.004.6★94314%▲rising 4 ![Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear Noise Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (1QT)](https://m.media-amazon.com/images/I/41m1ebjLemL.jpg) [**Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear Noise Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (1QT)**](https://www.amazon.com/dp/B0DW3MFN2F) Prolube$37.004.6★2,7939%▲rising 5 ![Promescent Desensitizing Delay Spray for Men Clinically Proven to Help You Last Longer in Bed - Better Maximized Sensation + Prolong Climax for Him 2.6 ml](https://m.media-amazon.com/images/I/51ONeq4JmRL.jpg) [**Promescent Desensitizing Delay Spray for Men Clinically Proven to Help You Last Longer in Bed - Better Maximized Sensation + Prolong Climax for Him 2.6 ml**](https://www.amazon.com/dp/B07SQ48736) Promescent$23.663.9★16,4485%▼falling 6 ![Engine Oil Additive & Treatment Diamond Nano-Lube by BestLine Racing Reduces Friction Up to 60% For Gas & Diesel Engines Motor Oil Additive for More Power Engine Life & Fuel Economy](https://m.media-amazon.com/images/I/41q2fWj-hiL.jpg) [**Engine Oil Additive & Treatment Diamond Nano-Lube by BestLine Racing Reduces Friction Up to 60% For Gas & Diesel Engines Motor Oil Additive for More Power Engine Life & Fuel Economy**](https://www.amazon.com/dp/B084P7LTGY) DNL$22.414.6★1,0234%▲rising 7 ![LIQUI MOLY Oil Additive Cera Tec 20002 Ceramic Wear & Tear Protection for Petrol & Diesel Engines Smoother Engine Performance Less Friction & Lower Fuel Consumption 300 ml](https://m.media-amazon.com/images/I/311w8nUBq7L.jpg) [**LIQUI MOLY Oil Additive Cera Tec 20002 Ceramic Wear & Tear Protection for Petrol & Diesel Engines Smoother Engine Performance Less Friction & Lower Fuel Consumption 300 ml**](https://www.amazon.com/dp/B001CZODH8) Liqui Moly$28.704.8★33,7743%▼falling 8 ![Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009](https://m.media-amazon.com/images/I/31xUWiSNVHL.jpg) [**Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009**](https://www.amazon.com/dp/B003U4O414) Liqui Moly$9.704.7★7,0733%—flat 9 ![Slick 50 Original Engine Treatment | 32 oz. Single](https://m.media-amazon.com/images/I/51gO3lgGqKL.jpg) [**Slick 50 Original Engine Treatment | 32 oz. Single**](https://www.amazon.com/dp/B07HB98WLJ) Slick 50$16.544.8★8933%▲rising 10 ![Dura Lube Engine Treatment | 32 oz. Single](https://m.media-amazon.com/images/I/51jhRUGKabL.jpg) [**Dura Lube Engine Treatment | 32 oz. Single**](https://www.amazon.com/dp/B000EG6CS4) DURA LUBE$16.004.7★5843%▲rising 11 ![Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear Noise Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (16oz)](https://m.media-amazon.com/images/I/41-yywE-K4L.jpg) [**Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear Noise Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (16oz)**](https://www.amazon.com/dp/B0DVT5763K) Prolube$29.384.6★2,7933%—flat 12 ![ProLong 1512 Plantabbs 8 Ounce Seasonal Tree Preservative 8 Oz White and Blue](https://m.media-amazon.com/images/I/41O37-je4fL.jpg) [**ProLong 1512 Plantabbs 8 Ounce Seasonal Tree Preservative 8 Oz White and Blue**](https://www.amazon.com/dp/B000OW9VBI) ProLong$12.554.6★1173%▼falling 13 ![K-Y Duration Spray for Men Male Genital Desensitizer Numbing Spray to Last Longer 0.16 Fl Oz 36 Sprays Made with Lidocaine to Help Men Last Longer in Bed](https://m.media-amazon.com/images/I/41CYxOnlwyL.jpg) [**K-Y Duration Spray for Men Male Genital Desensitizer Numbing Spray to Last Longer 0.16 Fl Oz 36 Sprays Made with Lidocaine to Help Men Last Longer in Bed**](https://www.amazon.com/dp/B01K5S5KWE) K-Y$19.654.1★19,0122%▲rising 14 ![(5 Pack) Prolong Power Pills for Men Prolong Power Prolong Power Capsules Prolong Power Supplement ProlongPower Capsules for Men Prolong Power Original Pills Review 300 Pills for 5 Months](https://m.media-amazon.com/images/I/51ZEOoRTDTL.jpg) [**(5 Pack) Prolong Power Pills for Men Prolong Power Prolong Power Capsules Prolong Power Supplement ProlongPower Capsules for Men Prolong Power Original Pills Review 300 Pills for 5 Months**](https://www.amazon.com/dp/B0D9C5BWJR) LIVORKA$53.503.2★2412%▲rising 15 ![Slick 50 750002 Recharged High Mileage Engine Treatment 15-Ounce](https://m.media-amazon.com/images/I/51Obr7XCvpL.jpg) [**Slick 50 750002 Recharged High Mileage Engine Treatment 15-Ounce**](https://www.amazon.com/dp/B00CJ3KIEY) Slick 50$18.504.7★1,2062%▲rising **~~Showing 15 of 17 — show all ~~** ## **Product shelf** All 17 tracked products in this niche. Top sellersNewestTrending [![Prolong Super Lubricants PSL11000 Engine Treatment - 12 oz White](https://m.media-amazon.com/images/I/51KVgMkKvuL.jpg)**Prolong Super Lubricants PSL11000 Engine Treatment - 12 oz White** Prolong Super Lubricants**$33.11**4.8★2,312 reviews](https://www.amazon.com/dp/B002MGYWI6) [![Prolong Super Lubricants PSL15000 Transmission Treatment 8 oz](https://m.media-amazon.com/images/I/41dwnd0Hc-L.jpg)**Prolong Super Lubricants PSL15000 Transmission Treatment 8 oz** Prolong Super Lubricants**$23.69**4.6★1,479 reviews](https://www.amazon.com/dp/B001DKV5H8) [![Eyelash Extension Shampoo & Brush - Large 100ml Bottle - Gentle Foaming Cleanser Lash Wash for Extensions and Natural Lashes - Safe Daily Makeup Remover - Paraben & Sulphate Free - Salon & Home Use](https://m.media-amazon.com/images/I/417Kw9syk-L.jpg)**Eyelash Extension Shampoo & Brush - Large 100ml Bottle - Gentle Foaming Cleanser Lash Wash for Extensions and Natural Lashes - Safe Daily Makeup Remover - Paraben & Sulphate Free - Salon & Home Use** PROLONG LASH**$25.00**4.6★943 reviews](https://www.amazon.com/dp/B088S6YYRH) [![Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear Noise Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (1QT)](https://m.media-amazon.com/images/I/41m1ebjLemL.jpg)**Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear Noise Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (1QT)** Prolube**$37.00**4.6★2,793 reviews](https://www.amazon.com/dp/B0DW3MFN2F) [![Promescent Desensitizing Delay Spray for Men Clinically Proven to Help You Last Longer in Bed - Better Maximized Sensation + Prolong Climax for Him 2.6 ml](https://m.media-amazon.com/images/I/51ONeq4JmRL.jpg)**Promescent Desensitizing Delay Spray for Men Clinically Proven to Help You Last Longer in Bed - Better Maximized Sensation + Prolong Climax for Him 2.6 ml** Promescent**$23.66**3.9★16,448 reviews](https://www.amazon.com/dp/B07SQ48736) [![Engine Oil Additive & Treatment Diamond Nano-Lube by BestLine Racing Reduces Friction Up to 60% For Gas & Diesel Engines Motor Oil Additive for More Power Engine Life & Fuel Economy](https://m.media-amazon.com/images/I/41q2fWj-hiL.jpg)**Engine Oil Additive & Treatment Diamond Nano-Lube by BestLine Racing Reduces Friction Up to 60% For Gas & Diesel Engines Motor Oil Additive for More Power Engine Life & Fuel Economy** DNL**$22.41**4.6★1,023 reviews](https://www.amazon.com/dp/B084P7LTGY) [![LIQUI MOLY Oil Additive Cera Tec 20002 Ceramic Wear & Tear Protection for Petrol & Diesel Engines Smoother Engine Performance Less Friction & Lower Fuel Consumption 300 ml](https://m.media-amazon.com/images/I/311w8nUBq7L.jpg)**LIQUI MOLY Oil Additive Cera Tec 20002 Ceramic Wear & Tear Protection for Petrol & Diesel Engines Smoother Engine Performance Less Friction & Lower Fuel Consumption 300 ml** Liqui Moly**$28.70**4.8★33,774 reviews](https://www.amazon.com/dp/B001CZODH8) [![Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009](https://m.media-amazon.com/images/I/31xUWiSNVHL.jpg)**Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009** Liqui Moly**$9.70**4.7★7,073 reviews](https://www.amazon.com/dp/B003U4O414) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Quality-Overall**21% *“Best oil additive in existence”* **Noise Level**12% *“quiet as could be”* **Efficiency**10% *“Works well”* **Lubrication**10% *“Improved lubricant and performance all around”* **Advertised Vs Actual Product**10% *“AS ADVERTISED”* **Value For Money**7% *“great value for the money”* **Fuel Efficiency**6% *“Better gas mileage”* **Motor Power**3% *“Motor seems to be running smoother”* **Ease Of Use**2% *“Easy to use”* **Durability**2% *“been useing 10 years”* ### **What buyers complain about ** **Functionality-Overall**24% *“I didn't get any results”* **Noise Level**11% *“it took alot of the mechanical noise from the motor”* **Value For Money**8% *“Expensive”* **Lubrication**7% *“Anxious to see if this lubricant lives up to it's reputation”* **Smell**4% *“smells bad”* **Quality-Overall**3% *“very poorly made”* **Leak-Proof**3% *“Caused leaking seals”* **Strength**2% *“Not strong enough”* **Advertised Vs Actual Product**2% *“Not what it claims”* **Fuel Efficiency**2% *“Crap dont buy this product it made my engine tick”* #### **Top return reasons**- Leak-Proof20% - Compatibility-Overall18% - Functionality-Overall13% - Advertised Vs Actual Product11% - Value For Money7% - Defective Material/Parts6% - Fuel Efficiency3% - Noise Level3% - Lubrication2% - Certifications2%