Poloxamer 124 (L44)

Description

Poloxamer 124 L44 is a block polymer of polyoxyethylene and polyoxypropylene and a hydrophobic surfactant. Poloxamer 124 L44 causes eye irritation and exhibits oral toxicity in albino rats with an LD50 of 5 g/kg. Poloxamer 124 L44 has reversible adverse effects on triglyceride and cholesterol transport in the lymphatic system of rats. Poloxamer 124 L44 can form thermoreversible hydrogels and is used as a food additive and as a drug delivery vehicle in cosmetics, pharmaceuticals, and tissue engineering 1 2 3 .