If your curls perk up, and you're soft and not dry, the protein definitely did its job! I like to do protein and deep condition all in one for balance, works great. Have not had a problem yet, and I use significant protein everyday. However, I don't get a whole lot of protein in my diet.
2c-3a - med-coarse - normal-high porosity - high density
NP/LP: CJ Daily Fix, KMF Whenever / Giovanni TTTT
RO/LI: Sevi Pumpkin Seed, CJ Argan & Olive Oil, YTBbs
DC/PROTEIN: KC Stellar Strands / CNPF
STYLER: CJ Curl Queen
COLOR: henna, amla & indigo
: glycerin in high/low dews, polyquat-10 & 11, parabens