One Condition is designed to moisturise curly hair not wash it, it's quite low on the cationic surfactants that cleanse hair and scalp effectively and rich in emollients and humectants. Maybe show hubby an article on the different types of surfactants, cationics are just a different sub-family from anionics like sulphates in shampoo.
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