You have beautiful hair. I think thinning will just make it frizzy because the thinned sections will grow out.

If you don't want to deal with so much hair, maybe cut it shorter?
Salt & pepper wavy mix 2B/2C
Low to normal porosity, coarse, kinky, normal elasticity
Current favorites:
Low poo: Yes To Cukes Color Protection (the no sulfate one)
Conditioners: Renpure MPHIP, CJ Smoothing Lotion, AB LI, CJ Curl Rehab, CJ Argan/Olive, Darcy's Pumpkin
Style: FSG, BRHG
Pre-poo/DT: Conditioner with honey & coconut oil

iHerb discount code: PNQ285