An herbal skin formulation is described which is obtained by mixing naturally occurring Chinese herbs in a cooking vessel, adding sesame oil and continuing cooking until the mixture is browned. The herbs are then removed and beeswax added to the sesame oil until melting occurs. Upon cooling, the resultant is poured into jars. Suitable formulations for different purposes are described.

 
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> Positively charged amphiphilic block copolymer as drug carrier and complex thereof with negatively charged drug

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