Please recommend me a shampoo! I have long 2b/2c wavy hair. I currently use tresemme flawless curls shampoo+conditioner 2x/week. I'm looking to start using a gentle shampoo more often now that it's summer and I'm working out 6 days a week.

US drugstore brands preferred but I wouldn't mind driving to a cosmetics store to stock up. :)

(I hope it's okay to post here - the hair communities I could find are all inactive.)