I 'poo about once a week with Jessicurl HCC & the rest of the time I co-wash with Original Source or Back to Basics.
This is working really well for me!
U.K curly

3A Curly Twirly.
Golden brown (coloured to cover grey).
Low poo: Dr Organic, L'Oreal Everpure.
Conditioner: Dr Organic Argan Oil.
Leave In: Aussie, Curl Harmony.
Gel: Curl Keeper Original, Umberto Gianni.