Castor oil
InertMin. risk approved
Listed as an inert ingredient permitted in EPA minimum risk (FIFRA 25(b)) pesticide products.
The evidence
- Repellent efficacy of 20 essential oils on Aedes aegypti mosquitoes and Ixodes scapularis ticks in contact-repellency assays2023LabWell-supported evidence
Arm-in-cage complete-protection-time assays of 20 EPA minimum-risk (25(b)) essential oils formulated as 10% v/v lotion emulsions against Aedes aegypti, plus tick-crossing assays against Ixodes scapularis.
Regulatory notes
Source: EPA minimum risk approved inert ingredients list (placeholder import).
The best products built on it
All products using it
- Geraniol Bug Repellent Balm
Concentration not listed · Active (per retail listing) / Base oil
- Insect Repellent Spray
Concentration not listed · Inert
- Mosquito Repellent Balm Stick
10.5% · Active repellent
- Anti-Bug Shake & Spray
10% · Active repellent
- Bug Repellent Balm Tin
10% · Active repellent
- Anti-Tick Spray
Concentration not listed · Inert / Carrier
- Buzz Away Insect Repellent
Concentration not listed · Carrier
- Skeem Verbena Aura Citronella Body Spray
Concentration not listed · Carrier
- Cliganic Mosquito Repellent Stick
Concentration not listed · Active repellent