Notable for its ability to thicken and strengthen consumer testers hair. Good Housekeeping Research Institute beauty lab testing showed it helped protect hair from breakage.
Consumer testers reported that it made their hair softer and easier to comb when wet. They also noted that it boosted smoothness and shine.
In the lab, this serum increased shine on untreated hair swatches by 250 percent. Testers agreed, giving it the highest shine score and top marks for making their hair feel soft.