Poloxamer 122 L42 is block polymer of polyoxyethylene and polyoxypropylene with average molecular mass of 1630. Poloxamer 122 L42 exhibits antimicrobial activity, that inihibits 56% Mycobacterium avium complex at concentration of 1 mg/mL. Poloxamer 122 L42 forms thermoreversible hydrogel, that is utilized in food additives, drug delivery carriers in cosmetics, pharmaceutical ingredients and tissue engineering^[1][2].