Those "Real Housewives of Beverly Hills" are up front about their fillers, Botox and plastic surgery enhancements -- and now, Kyle Richards is sharing one of her beauty tips ... with a bizarre personal pic!

Kyle posted a photo of herself over the weekend while getting an electric facial. In the photo, an unrecognizable Richards is seen with gauze and a mask on her face ... with wires attached.

According to Carina's Skin Care -- the place Kyle got the treatment -- the procedure gives you "tighter and beautiful skin."

So ... does it work?

Check out the gallery above to see Kyle's face the following night, when she hit the red carpet for the "Real Housewives of Beverly Hills" premiere.

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