Allergen [al-ler-jen] What it is: A substance that causes an allergic reaction in the body. This reaction can be topical or systemic. VIDEOS RELATED TO THIS TERMMeet the Winner of NTNA Season 7Giselle CaballeroDon’t Smash The Bead LEARN MORE TERMSBACKFILLUV DESK LAMPLIGHT-CURED GELSOVERLAYGEL POLISHGEL BRUSHWATTAGECARPAL TUNNEL SYNDROMEMOISTURIZERMATTE NAILSSQUARE NAILMULTI-USE IMPLEMENTNAIL FORMCARBIDE E-FILE BITSESSENTIAL OILSEXTENSIONSCRUBSGLOVESCOLOR POPDECAL PrevNext
