Incorporating Bisoctrizole (Tinosorb M) into a Face Gel
Question
If I want to formulate a face gel with the following ingredients: Water + [url=http://www.myskinrecipes.com/shop/%E0%B8%AA%E0%B8%B2%E0%B8%A3%E0%B8%AA%E0%B8%81%E0%B8%B1%E0%B8%94%E0%B8%9E%E0%B8%B7%E0%B8%8A%E0%B8%AA%E0%B8%A1%E0%B8%B8%E0%B8%99%E0%B9%84%E0%B8%9E%E0%B8%A3/76-aloe-vera-extract-%E0%B8%A7%E0%B9%88%E0%B8%B2%E0%B8%99%E0%B8%AB%E0%B8%B2%E0%B8%87%E0%B8%88%E0%B8%A3%E0%B8%B0%E0%B9%80%E0%B8%82%E0%B9%89%E0%B8%AA%E0%B8%81%E0%B8%B1%E0%B8%94.html:1lyndxu9]Aloe Vera Extract[/url:1lyndxu9] + [url=http://www.myskinrecipes.com/shop/%E0%B8%95%E0%B9%88%E0%B8%AD%E0%B8%95%E0%B9%89%E0%B8%B2%E0%B8%99%E0%B8%A3%E0%B8%B4%E0%B9%89%E0%B8%A7%E0%B8%A3%E0%B8%AD%E0%B8%A2/74-vitamin-b3-niacinamide-%E0%B8%A7%E0%B8%B4%E0%B8%95%E0%B8%B2%E0%B8%A1%E0%B8%B4%E0%B8%99%E0%B8%9A%E0%B8%B53.html:1lyndxu9]Vitamin B3 (Niacinamide)[/url:1lyndxu9] + [url=http://www.myskinrecipes.com/shop/34-%E0%B8%AA%E0%B8%B2%E0%B8%A3%E0%B8%81%E0%B9%87%E0%B8%81%E0%B8%B1%E0%B8%99%E0%B9%80%E0%B8%AA%E0%B8%B5%E0%B8%A2:1lyndxu9]Preservative[/url:1lyndxu9] + Polymer, after mixing to form the gel texture, can I add [url=http://www.myskinrecipes.com/shop/chemical-sunscreen/6547-bisoctrizole-tinosorb-m.html:1lyndxu9]Bisoctrizole[/url:1lyndxu9] and then blend it to disperse within the gel? Is this mixing method correct?
Should the resulting gel be clear or opaque white?
Also, how many % of [url=http://www.myskinrecipes.com/shop/chemical-sunscreen/6547-bisoctrizole-tinosorb-m.html:1lyndxu9]Bisoctrizole[/url:1lyndxu9] does R&D recommend as suitable?
Thank you.
Answer
Incorporating Bisoctrizole (Tinosorb M) into a Face Gel
Regarding your face gel formulation with water, aloe vera extract, vitamin B3, preservative, and polymer, here's information on incorporating Bisoctrizole:
Mixing Method: Adding Bisoctrizole after the gel has formed and dispersing it by mixing is a correct method. Bisoctrizole is designed to be dispersed in water, making it easy to incorporate into water-based formulations like your gel.
Gel Appearance: Bisoctrizole itself is a white or light-colored liquid. When dispersed in a gel base, it will typically result in an opaque or cloudy appearance, not a clear gel.
Recommended Usage Percentage: The recommended usage rate for Bisoctrizole is typically between 1% and 10%. The FDA allows use up to 10%. The optimal percentage depends on the desired level of UV protection (SPF/PA). For broad-spectrum protection, a concentration in the range of 5-10% is often used, but you should consult specific formulation guidelines or perform testing to determine the exact percentage needed for your target SPF/PA.
This method should allow you to successfully incorporate Bisoctrizole into your gel formulation.
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