Best antioxidant in this situation?
I am formulating a pretty straightforward solution that contains Ceramide Complex (INCI: Ceramide NP (and) Ceramide AP (and) Ceramide EOP (and) Phytosphingosine (and) Cholesterol (and) Sodium Lauroyl Lactylate (and) Carbomer (and) Xanthan Gum) in the aqueous/polyol base.
Since Ceramide Complex is a blend that can be added directly into the water, I don’t have any other lipids or emulsifiers. However, the formula is oxidizing. I already have a chelating agent (EDTA) and a broad-spectrum preservative (Euxyl PE 9010).
My question is what type of antioxidant is best in this situation? Is it best to use Tocopherol and a solubilizer? Or can Tocopherol be added to the Ceramide Complex before adding it to the water? I am not heating this so BHT is not an option.
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