LOreal Elvive Nutri Gloss Light Reflecting Serum. L Oreal Paris Elvive Nutri-Gloss Illuminating Serum penetrates hair to give balanced nutrition from root to tip to accentuate shine. The lightweight formula is enriched with active smoothing ingredients. It nourishes and softens hair while smoothing damaged ends and preventing split ends from developing. Apply several drops of serum, depending on hair length, to washed, towel-dried hair. Spread through the hair paying particular attention to the ends. Do not rinse. Blow dry. Use two to three times each week. For best results, use with Elvive Nutri-Gloss Illuminating Shampoo, Elvive Nutri-Gloss Illuminating Conditioner and Elvive Nutri-Gloss Intensive Shine Masque.