Has anyone here tried those at-home LED masks for neck tightening? Worth the money or just hype?

Honestly, I'd save your cash for in-office if you want real tightening. I used a popular brand for 6 months with zero results. What did work? A series of mild chemical peels on my neck. This article explains why at-home devices often fail for neck skin: https://bellasanamedspa.com/blog/neck-and-decollete-rejuvenation