Part it how you wish, I don't part at all because it kills curl at the roots, I just clip the roots for volume. All I said was that we can't accurately type your waves if you have parted (ie. used a comb).
Check out the link that WavyDaze
posted, the stickies on the general haircare board and the newbies board.
I wonder if you are blaming the wrong ingredient: assuming I've found the right product there is table salt in the Dep gel which is very drying, no protein just amino acids that should wash away with every use not build up.
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