TheSP Shine Define Leave In Conditioner by Wella provides shine enhancing cleansing for dull or lifeless hair. Improve overall shine by smoothing the surface of your dull or lifeless hair with SP Shine Define Conditioner. This Leave In Conditioner improves light reflection by smoothing the hairs surface. Apply to towel dried, per-shampooed hair and leave in. For an effective shine enhancing conditioning treatment, try SP Shine Define Leave In Conditioner by Wella.