Kybella is a nonsurgical procedure to treat double chins. It takes six to eight weeks for results to take effect. Kybella can also be used to treat excess fat in areas like the armpits and bra rolls.

For Morgan Cohen, the decision to try Kybella — an FDA-approved injectable treatment that helps the body break down the fat cells under the chin — came easily. When she posted a TikTok showing her ...