Will Density High be effective for sagging cheeks as I enter my 40s?

Hello. Lately, my facial elasticity has noticeably decreased and fine lines around my mouth have deepened, so I am considering a lifting procedure. I looked up reviews online and became interested in Densorty High because it says it uses radio frequency energy to firm the skin from deep within.

My skin is on the thinner and more sensitive side, so I am wondering if the Density High treatment would be safe for people with sensitive skin like mine, without any irritation or side effects. Also, how much pain is involved during the procedure, and how many shots are typically needed to see noticeable changes? I would like to visit this month for a proper consultation regarding Density High, so I would appreciate it if you could also provide an estimate of the cost.