Cosmetics Formulation Development


กันแดด วิธีการคำนวน SPF คำนวณอย่างไรคะ

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Sunscreen How to calculate SPF How is it calculated?

Postby nupookca » Tue Sep 08, 2020 8:03 pm

How to calculate SPF, how to calculate? In the formula there are 1. Zinc Oxide 2. Titanium Dioxide 3. OMC
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Re: Sunscreen, how to calculate SPF?

Postby staff » Mon Sep 14, 2020 10:36 pm

Hello, I can't calculate. Must be sent to measure SPF at the company's lab. If interested, send to measure. Please contact customer relations care@myskinrecipes.com about the method and procedure for sending it in for inspection.
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