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 TERM Hazel Dixon Meet the Winner of NTNA Season 7 Recognizing the Saboteur Inside Your Head LEARN MORE TERMS ACRYLIC BRUSH COVER PINK POWDER CUTICLE SPLINTER HEMORRHAGE VISCOSITY PH VALUE EMBELLISHMENT SMILE LINE BRITTLENESS BUILDER GEL ANTISEPTIC REFLEXOLOGY GRIT COLORED POLYMERS INSURANCE RISK ASSESSMENT MATTE NAILS BUFFER ABRASIVE SCRUBS ACRYLIC BRUSH COVER PINK POWDER CUTICLE SPLINTER HEMORRHAGE VISCOSITY PH VALUE EMBELLISHMENT SMILE LINE PrevNext
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