Polyhydroxystearic acid
Molecular Weight: 585.0
Cas No:27924-99-8; 58128-22-6
Emulsifier
Polyhydroxystearic acid is a polymer of hydroxystearic acid obtained from castor oil.
https://www.makingcosmetics.com/Polyhydroxystearic-Acid_p_1247.html
Synthetic polymer related to stearic acid that functions as a suspending agent.
https://www.paulaschoice.com/ingredient-dictionary/uncategorized/polyhydroxystearic-acid.html