SO STRETCH mascara 3-deep blue SO STRETCH mascara #3-deep blue is a volumizing and lengthening mascara that is designed to give you intense volume and length with a deep blue color. It is formulated with a unique blend of waxes and polymers to provide a long-lasting, clump-free finish. The deep blue color gives your lashes a dramatic look that is sure to make your eyes stand out. The brush is designed to provide even coverage and help you build your desired look.