If my chin is sagging and my skin is extremely thin, would I be a suitable candidate for Ondari Lifting? ㅠㅠ

I don't have much body fat, but maybe because I lack elasticity, the skin under my chin is sagging, causing a subtle double chin to form. ㅠㅠ Every time I look in the mirror, my facial contours look so blunt, and I'm dying of stress. lol I'm looking into radio frequency lifting, but since my skin is extremely thin and sensitive, I'm totally terrified that I might get burned or have my cheeks hollowed out if I get something hot. ㅠㅠ I've heard that it's completely painless and just feels cool. Leg lifting I am seriously looking into it, and even people like me with thin skin who are sensitive to heat Leg lifting Suitable for receiving Recommended for I'm really curious if it makes your jawline really slim without bruising or swelling lol. Leg lifting I would be really grateful if any of you who have safely tried this could share some tips on whether it really works instantly lol