Satin Pillow™ Overnight Hair Mask — brand new in box. One for $25 or two for $40. hydrates and replenishes hair with intense moisture and shine. Exclusive Multi-Phasic Shielding Complex delivers protective benefits to promote visually soft, smooth and silky tresses after just one use. Doesn't weigh hair down, so can be used as an overnight regimen as well as a deep conditioner.