The effects of alcohol and Polyquaternium-51 on the height of bentonite,and separation speed were studied;The effect of dispersing speed on powder phase was studied.Using bentonite,O-cymene-5-ol,niacinamide,Salvia Hispanic Seed Extract,alcohol and Dipotassium Glycyrrhizate as the main active ingredients,combined with polyols and other moisturizers,then this bi-phase toner was prepared.Consumer test and clinical test were conducted to analyze the efficacy of this toner,results showed that this bi-phase toner provided good moisturizing and non-sticky skin feeling.results also showed significant difference change on many acne related attributes,like acne numbers,pigmentation lightening,pore size,etc.
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