Don’t be afraid of this spooky shade—that’s the magic of it! The RealHer Magic Black to Pink Watery Lip Stain is a color-changing tint that transforms from a glittery gray hue to a pretty pink once it’s applied to lips. The sorcery, er, science behind the metamorphosing stain is its pH-reactive formula, which works with your body chemistry to transition from inky to pinky. It’s the inclusion of Red 27 in the formula that’s really the mastermind behind the transfiguration.

"Red 27 is pH-driven," cosmetic chemist Ni'Kita Wilson previously told Allure. "When it comes in contact with moisture, the change in solubility and pH causes the dye to turn bright pink." The result, on me, at least, leans more rosy and sometimes closer to berry, depending on the day, my mood, etc. The final look is always a fun surprise!

While you can wear it solo, I prefer to pair it with a liner. Trace outside of lips with your favorite pencil before painting on a layer or two of this color-changing stain with the wide, doe-foot applicator. Then watch it transform in real time!

RealHer Magic Black to Pink Watery Lip Stain is a part of our Allure Beauty Box product lineup for October. Subscribe to Allure Beauty Box and get editor-approved picks in makeup, skincare, hair care, and fragrance delivered right to your door every month.