Polyethylene glycol
Inert
Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy-
Polyethylene glycol (PEG) is a solvent and thickener used to blend and stabilize formulas, not an ingredient that repels insects.
Products using it

Ben's
Ben's Tick Repellent Eco-Spray
97
Picaridin 20%
Complete protection
Mosquitoesest.8–10h
Ticksest.8–10h

Natrapel
Natrapel Picaridin Tick & Insect Repellent Eco-Spray
97
Picaridin 20%
Complete protection
Mosquitoesest.8–10h
Ticksest.8–10h

Natrapel
Natrapel Picaridin Tick & Insect Repellent Wipes
96
Picaridin 20%
Complete protection
Mosquitoesest.6–8h
Ticksest.6–8h
Regulatory notes
Source: EPA SRS active ingredient list export. Minimum risk (25(b)) status is applied separately when applicable.