Stearic acid
InertMin. risk approved
Octadecanoic acid
Listed as an inert ingredient permitted in EPA minimum risk (FIFRA 25(b)) pesticide products.
Products using it
NotchOur product
Nourish + Defend Botanical Insect Repellent
72
Geraniol 5%
Complete protection
Mosquitoesest.1–2h
Ticksest.1–2h
Not recommended
Combination sunscreen/repellent
Avon
Skin So Soft Bug Guard Plus IR3535 Gentle Breeze SPF 30 Lotion
70
IR3535 7.5%
Complete protection
Mosquitoesest.4–5h
Ticksest.4–5h
Not recommended
No proven mosquito protection
Babyganics
Babyganics Mosquito Repellent Lotion – Fragrance Free
45
Cedarwood oil 0.70% · Citronella oil 0.95%
Complete protection
Mosquitoesest.0–0.1h
Ticksest.minimal / unproven
Not recommended
No proven mosquito protection
Natrapel
Natrapel Essential Oil Insect Repellent – Pets & People
42
Thyme oil 1.90% · Lemongrass oil 0.05%
Complete protection
Mosquitoesest.minimal / unproven
Ticksest.0.2–0.5h
Regulatory notes
Source: EPA minimum risk approved inert ingredients list (placeholder import).