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 TERMThe Magnificence of GratitudeSkull DesignBreaking in a New Brush LEARN MORE TERMSPH VALUEFOOT SOAKSUV DESK LAMPIMPLEMENTSDISINFECTIONFUNGUSVERTICAL OMBREGLOVESSECONDARY COLORSARTIFICIAL NAILCAMOUFLAGE POWDERBASE COATBUILDER GELBABY BOOMERMASKDECALACRYLIC BRUSHMARBLING TOOLSQUARE NAILNAIL CLIPPER PrevNext
