Jennifer Garner advises fans to be "wary" of injectables.

The 50-year-old Texas native revealed recently her glamour secrets to Harper's Bazaar.

such as the guidance she'd offer to her 2 teenage daughters with

Violet Anne Affleck, 16, and Seraphina Rose Elizabeth Affleck, 13, are the kids of ex-husband Ben 

...The former couple also has a 10-year-old son named Samuel.

"My guidance is to look in a mirror less and be cautious,

...when injecting something into your face," the "Alias" star advised.

"Be extra careful and wait as long as humanly possible before adding that anywhere."

Garner as well cautioned younger generation in an age when preventative Botox is famous.

"Don't think you need to be shooting up on your face at 37."