Moisturise it a lot with what? You don't mention any conditioners in your routine. Most ingredients in conditioners don't absorb, they sit on the surface. Humectants only help hydrate hair in some climates, many dry haired curlies need to seal in that moisture with something containing oils. What are your hair properties especially porosity?
You might make your Eco gel into an Ecostyler custard
Eco Styler Olive Oil Custard - YouTube
2a-2c, medium texture, porous/ colour treated. Three years CG, growing out mechanical and chemical damage = breakage and very high porosity. Past armpit length heading for waist.
CO-wash: Inecto coconut
Treatments: Komaza Matani, coconut oil, Hairveda Sitrinillah
Leave in: Fructis Sleek & Shine (old), Gliss ultimate volume, Inecto argan
Styler: Umberto Giannini jelly, Boots Essentials gel
Experimenting with: going back to basics