Aim. To substantiate the composition of product for prevention and treatment diseases skin red border lips in form a medical pencil. Materials methods. When developing pencil study objects were samples containing corn oil or extract from mixture medicinal plant raw material, cocoa butter, such waxes as beeswax, carnauba, candelilla, lanolin, paraffin various ratios, well mango extract. The penc...

extended-release matrix tablets of diltiazem hydrochloride (dtz) were prepared using waxy materials alone or in combination with kollidon sr. matrix waxy materials were carnauba wax (cw), bees wax (bw), cetyl alcohol (ca) and glyceryl monostearate (gms). dissolution studies were carried out by using a six stations usp xxii type 1 apparatus. the in vitro drug release study was done in 1000 ml ph...