The present invention provides thermo-sensitive, mucoadhesive biopolymer formulations that enhance the penetration of therapeutics across the skin or mucosal surfaces. In a preferred embodiment, the biopoiymer formulation comprises co-polymer of poloxamer 188 and propylene glycol, laurocapram and, optionally, one or more therapeutic agents. Also provided are uses of the biopoiymer formulations for topical therapy of cancer including cervical cancer.