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Longsleeve vs Chase MM Insect Repellent

Longsleeve is Picaridin. Chase MM is DEET. Longsleeve is registered for more hours against mosquitoes and ticks. The biggest difference is the label: Longsleeve names all nine ingredients; Chase MM names only the active.

Longsleevemade by usChase MM
Active ingredientDifferent activesPicaridin 20%DEET 25%
MosquitoesLongsleeve longerUp to 14 hoursUp to 5 hours
TicksNot on fileUp to 14 hoursNo time on file
Other biting pestsNot on the labelUp to 8 h · flies, gnats, chiggers, no-see-umsNot on the label
Ingredients namedMore namedAll nine ingredients namedOnly the active is namedThe other 75% is one figure, as federal rules allow.
FragranceNot on the labelFragrance-freeNot on the label

Chase MM Insect Repellent is a DEET 25% skin-applied insect repellent from Chase Products Co., EPA Reg. No. 498-148. EPA’s consumer database lists it at up to 5 hours against mosquitoes. The same registered formula is sold under 4 different product names. Longsleeve Repellent is 20% picaridin, listed at up to 14 hours for both mosquitoes and ticks. Every line below comes from EPA’s database or the two products’ own federal labels.

The detailed comparison

Every line from EPA’s database or the products’ own federal labels, quoted and linked.

Longsleeve Repellent made by usChase MM Insect Repellent
Made by
Hour 72, Inc.
Chase Products Co.
Active ingredient
Picaridin 20%
DEET 25%
Mosquitoes
14hrs

4 of 631 products in EPA’s database reach 14 hours. This is one of them.

5hrs
Ticks
14hrs
*hrs

No time shown in EPA’s consumer tool. Per EPA’s legend, the company chose not to have a specific time shown.

Also covers
flies 8hgnats 8hchiggers 8hno-see-ums 8h

Mosquitoes and ticks only, per the mined label text.

Ingredients disclosed
Active ingredient: Picaridin20%
Other ingredients, every one named80%
Water, Squalane, Glycerin, Alcohol Denat., Acrylates Copolymer, Phenoxyethanol, Sodium Hydroxide, Caprylyl Glycol
our EPA-accepted label; named to cosmetic-industry standards
Active ingredient: DEET25%
Other ingredients75%
the ingredient panel format on the product’s federal label

Its EPA master label includes the optional statement: “OTHER INGREDIENTS:...........................…. ..67.50%” Master labels list what a company MAY print; the tube on the shelf may not carry it.

Formula identity
One formula, one nameEPA registration-number format
This formula is sold under 4 namesEPA registration-number format
Federal label
on file since 2025EPA Pesticide Product Label System
on file since 1992 · view the federal label (PDF)EPA Pesticide Product Label System
EPA Reg. No.
101457-1
498-148

Same name, different product

Products with closely related names span 25%. The name on the front of a bottle is not a formula. Check the EPA registration number if you want to know what you are buying.

ProductActiveEPA Reg. No.
Chase MM-Woods Guard Insect RepellentDEET 25%498-148

All rows from EPA’s registered-product data.

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The left column is ours. About Longsleeve

We make one of the products. No house score, no weighting, just the labels. When another product has the better number, we show that too. Methodology

EPA data retrieved 2026-08-18. Registrations and labels change, and our reading of a scanned label can be wrong. Always check the product label you actually have before you buy or apply anything. If you spot a mistake here, email hello@longsleeve.com and we will correct it. Published by Longsleeve, not affiliated with or endorsed by EPA.

Every cell is EPA data or the product’s own federal label, retrieved 2026-08-18; registrations and labels change, so verify against the current product label. Methodology.

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