OK, so I decided to do a protein treatment (ion from Sally's) and followed it with a deep treatment (also Sally's)
That day my hair looked and felt great... 2 and now 3 days later and it is dull, dry, limp, frizzy.... basically a hot mess.
SO... does this mean my hair doesn't like protein? Why did it look great the day I did it and then fall apart? Is this normal?

Some background info: 2C hair, fine/medium, medium porosity. Colored and highlighted. Diffuse everyday.

Thanks in advance for any help/advise you can give!