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AloeVeraGel 1.Formulation I.Aloeveraextract200fold.........................0.4g Propyleneglycol[1]..................................5.0g Preservative...............................................q.s. Water.....................................................73.6g II.CremophorRH40[1]................................1.1g Perfume.....................................................q.s. III.LutrolF127[1].......................................20.0g 2.Manufacturing PreparethesolutionsIandIIsepartelyandaddIonto II.Coolthis mixtureto <10C(orheatto 70–80C)anddissolveIII.Maintainthe temperatureuntiltheairbubblesescaped. 3.Propertiesofthegel Appearanceclear Viscosityabout60Pas pHabout5.5 Physicalstabilitynochangeofappearanceafter4weeksatroom temperature
关键字:aloe vera gel
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