Best fix for chest wrinkles

What's the best procedure for those horizontal lines on the upper chest? Mine look deep even when I stand straight.

Those 'tech neck' lines are stubborn. Laser resurfacing (like Fraxel) did a decent job for me, but recovery was about a week.

I dealt with those for years. What finally made a difference was a combination of daily glycolic acid pads and sleeping on my back. A derm explained it's often from side-sleeping. Here's a deeper look at what works for the décolleté: https://bellasanamedspa.com/blog/neck-and-decollete-rejuvenation