GVP CB is pretty good and protein free. You could always buy a cheap conditioner like Suave Daily clarifying (protein free) and pump it up with some olive oil and AVG and honey and use that as a deep treatment.
CG - 3/27/09
3b - dry - medium texture/medium porosity!
Co wash/rinseout/leave in: currently auditioning products
Styling: lube and BRHG