Recently, needle-free devices like hyaluron pens, which claim to mimic the effects of injectable lip filler, have been gaining traction on social media. However, these at-home products are not ...

“These can be very harmful,” she says. Dr. Rambhia agrees: “Hyaluron pens are the worst needle-free alternative to lip filler. These pens were popularized on social media and sadly, are ...