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Ask about sunscreen recipes. I want a sunscreen that has a light texture like whipping cream. Dissolves into water, not oily, easily absorbed, does not leave white. SPF 50+ PA++++ Water 26% Glycerin 15% Propylene Glycol 5% Titanium Dioxide Transparent 15% Zinc Oxide Liquid 15% PMMA 3% LipidSoft™ Lit...

Hello, I want to know that 1. L-ascorbic acid Fine and Ultra grades, when used to make serum in the same %, are they equivalent? ?? 2. L-ascorbic acid If using 1% ActiveUV and 1% ActiveOX is sufficient to maintain the efficacy. วิตามินซี ?? or should choose to put Ferulic Acid and วิตามินอี added to...