How would you know if you have too much protein. I did not know this with my Deva One Conditioner.

I also heard with coarse hair, one should avoid protein products, no?
2B/2C , medium, ii/iii
low porosity | medium/high density | low elasticity | shoulder length | dry climate | hard water | low dew points

Wash: L`Oreal Paris EverCurl Hydracharge Shampoo (considering changing to DC Low-Poo)
Conditioner: Tresemme Naturals Conditioner, GVPCB RO
Leave In: n/a (searching)
Style: Biotera Curl Creme, air-dry and/or diffuser

CG since October 2012
Current issue: Frizzy hair! Lazy curls! Hair does not like glycerin.