The star is rubbing in face creams enriched with mucin, a protein from the molluscs.
Pals insist the Hollywood beauty, 34 who split from Tom Cruise last year loves the results.
One said: “Last year was hard for Katie.
“She knows she’s got a lot of catching up to do in her career and is going all out to look amazing for auditions to land a dream film role. A friend recommended using snail gel and she’s really happy with how smooth her skin looks.”
Mucin’s apparent properties were discovered after Chilean farm workers picking snails from crops noticed their hands getting smoother.
Slow progress ... snail
She was recently named one of GQ mag’s Hottest Women of the 21st Century.