Polyethylene glycol 12-hydroxystearate, a Macrogol 15 hydroxy stearate, is a permeability enhancer^[1].

Polyethylene glycol 12-hydroxystearate is used to increase the aqueous solubility of Biopharmaceutical Classification System (BCS) Class 2 and 4 lipophilic molecules. Polyethylene glycol 12-hydroxystearate has shown an enhancement in permeability of medium sized biological drugs across epithelia^[1].

Oil

(C₂H_4O)nC₁₈H₃₆O₃

61909-81-7

Room temperature in continental US; may vary elsewhere.

4°C, sealed storage, away from moisture

Ethanol : 100 mg/mL(Need ultrasonic)

H₂O : 25 mg/mL(Need ultrasonic)