Senna alexandrea is a close relative to Senna italica, which most people refer to as Cassia obovata. The yellow color in Senna comes from Chrysophanic acid, which is also what gives it the conditioning benefits to both scalp and hair. After some testing, we've found Senna alexandrea that has very, very high levels of Chrysophanic acid.
|That's Senna italica (cassia obovata) on the left and Senna alexandrea on the right, tested on white mohair for 2 hours|
Any hair blend that currently uses just Senna italica will changing to include a blend of both Senna italica. That includes:
- Fire Genasi