MethylSalicylate MentholGel (11% 5%) 1.Formulation I.Methylsalicylate........................................11g Menthol......................................................5g LutrolE400[1]..........................................20g CremophorRH40[1]..................................6g Propyleneglycol[1].....................................7g
II.LutrolF127[1]..........................................32g III.Water........................................................19g 2.Manufacturing DissolveIIinsolutionIandmixwithIII.Thecleargelcanbedilutedwith water. 3.Propertiesofthegel Dueto thehighconcentrationoftheactiveingredientsandofLutrolF127 theconsistencyofthecolourlesscleargelisextremelyhard. 4.Remark Reducingtheconcentrationoftheactiveingredientstheamounto f LutrolF127couldbereducedto oandtheconsistencyofthegelwillbe normal.
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