Hello Kitty Brillian-C Boost Printed Essence Sheet Mask - For a brillian-C boost and healthy skin! The Crme Shop x Hello Kitty Brillian-C Boost Printed Essence Sheet Mask pairs together brightening Vitamin C with youth-promoting Retinol to help you restore a supercute glow.BenefitsVitamin C - Helps revitalize with anti-aging properties, while supporting healthy collagen productionRetinol - Helps revive and repair tired, aging skin while preventing acne. - Hello Kitty Brillian-C Boost Printed Essence Sheet Mask