Life Instant lip plump from home? Experts warn against viral ‘hyaluron pen.’ June 10, 2022June 10, 2022Jenna Ryu, USA TODAYComments Off on Instant lip plump from home? Experts warn against viral ‘hyaluron pen.’ Many people are injecting their lips from home with the viral hyaluron pen. But does it work? And is it safe?