Does the Deva foam have polyquats? Could it be buildup? I know several people have problems with polyquats, 4, 7 and 10 being the main offenders. I'm just throwing yet another thing out there.
2bc/ f / ii. low porosity roots + normal porosity shaft. normal elasticity.

Currently using:
Cowash: Cure Care
RO: Cure Care
Styler: UFD CM (old formula), FSG + CNPF, DE Shine & Refine, AB Strong Hold gel, SM C&S milk
PT: IAgirl's gelatine, CJ Repair Me

hydrolized protein, jelly stylers
guar hydroxypropyltrimonium chloride, sulfates, jojoba oil
Neutral on cones.

iherb discount code: CFN646