/an'tee al'euhr jen"ik, an'tuy-/ , adj.
1. not aggravating an allergy; intended or prepared for those suffering from an allergy: antiallergenic cosmetics.
n.
2. an antiallergenic substance.
Also, antiallergic /an'tee euh lerr"jik, an'tuy-/ .
[ ANTI- + ALLERGENIC ]