Kat Burki Form Control Neck Contour & Exfoliating Pen 2 oz. $186 Retail Brighten and contour the neck and décolletage with Kat Burki's biochemistry-backed, targeted treatment. The exfoliating pen delivers an optimized blend of stabilized vitamin C and alpha arbutin to brighten and fade discoloration while encouraging cellular renewal. The silicone applicator adds physical exfoliation and greater delivery of the exfoliating ingredients to assist in breaking up pigment and skin buildup. - Smooths: Targeted exfoliation helps smooth skin. - Contours: Reduces puffiness and increases firmness. - Brightens: Helps even skin tone and reduce the appearance of dark spots.