I don't know what to suggest specifically. Fine hair does generally like protein though. Are you wanting to use natural products? Are you open to buying online?
Coarse texture, normal-high porosity, normal elasticity (Komaza Care), very weak waves
cleanser: Redken Fresh Curls Shampoo, CJ Daily Fix
rinse out: CJ Repair Me, CJ Curl Rehab
leave-in: SM Milk, Oyin Hair Dew
jellies/creams: UFD's CM, CJ CCCC
gels: CJ CQ, BRHG, CJ PP