I can't co-wash exclusively or use a cleansing conditioner either. I always try but after a week or so it just doesn't work. Low-pooing works so well though, and I find my hair gets more moisturized because there's no build up. Co-washing is awesome in theory, but my fine, wavy curls just can't do it.
2a/b
medium/thick
high porosity (from coloring)

Shampoo: Mop Top Gentle Shampoo
Co-wash: Chistophe Robin Lemon Cleansing Cream
RO: CJ strengthening, Kenra moisturizing
LI: Jessicurl Aloeba
DT: CJ rehab, Christophe Robin Prickly Pear Mask
PT: SS protein treatment, Ouidad 12 minute
Stylers: Jessicurl RR, SS Firm Hold Gel
Oils: caudalie, sweet almond