Makeup Eyelash Masks Sisley So Stretch Mascara 7.5 ml Instant length and definition. Visibly longer lashes. So Stretch lengthens, lengthens, strengthens and defines the lashes, from root to tip. The eyes are wider and the eyelashes are fully open. Application Start by applying in the center of the eyes for a wide-eyed effect. Place the brush on the upper lash line, then draw the product upward by brushing from the inner corner to the outer corner to the tips of the lashes for an intense length effect. For fully flared lashes, focus on the outer corners of the eyes before returning to the lashes on the inner corners. Use the tip of the brush to reach the shorter lashes with precision. Repeat several times according to the desired intensity and effect.