The Chi Relaxer definitely maintains the integrity of the hair. Those that are sensitive scalp must base really well, but it is tolerable. There are expiration dates on the container which is a plus. The product consistency is a little more "lotion like" versus cream so careful with application. Overall, I like the relaxer system based on the first try.
Pictured is the "before" picture of client who was eight weeks from last texturizing touch-up.
Pictured is the "after" picture of Chi relaxer touchup. Client has Type 4c hair and the Normal strength Chi relaxer was used to texturize or texlax hair. Finishing products included Kinky-Curly Knot Today Leave-in followed by KeraCare Defining Custard. Hair by Benita Blocker.
August 16,2011 Update: I have used the Chi Deep Brilliance Relaxer about four times now. The hair integrity is good even with the Super strength. However, the Super Strength Chi Deep Brilliance relaxer can be very drying to the hair. I found that the Chi Reconstruct conditioner that is recommended with the relaxer service does not provide enough moisture to the hair. I found the Mizani Moistufuse conditioner which is recommended for the Mizani traditional relaxer system works significantly better. Under normal conditions and normal strength relaxation, the Chi Reconstruct was sufficient. However, I still recommend layering the Mizani Moistufuse in with the Chi Reconstruct under normal relaxation. I also recommend substituting the Mizani Moistufuse in lieu of the Chi Reconstruct. The hair seems to drink the Moistufuse immediately after Super relaxation and shampooing. Please note: Mizani has a "Butter Blend line" and a "Moisturfusion" line. I am NOT referring to these Mizani categories at this time.
A note to the sensitive scalp consumers: The Chi Deep Brilliance relaxer is tolerable with a well-based scalp. "Well-based" scalp means that base is applied with thin partings but keep the base on the scalp not the hair. Cross section your base if you have to but do NOT squeeze too much out at a time. The "bad news" is that the combination of resistant hair and a sensitive scalp may not process long enough to get straight before burning. This relaxer will burn. You feel the burns more from the water hitting the scalp during the rinse than the dry application. So if the client feels burning, but they say it is tolerable, then I recommend taking them to the shampoo bowl and start rinsing anyway.
For some reason the burning does seem tolerable during relaxer application, but the water rinse will tell the real story as to how badly the burn is. The Paul Mitchell relaxer system causes more "false" sensations during the relaxer application, but not too much burning at the bowl. However, my Chi relaxer experience was the completely opposite. I felt less pain at relaxer application; more "pain" at the bowl. Overall, I recommend caution with the Super Strength Chi Relaxer. The tensile strength is fine, but watch for dryness. Prepare to add a lot of "moisture" during the conditioning phase.