Alkyl Benzoate - Solubilizer For Tocopherols - Formula Challenge

MarkBroussardMarkBroussard Member, Professional Chemist
edited November 2014 in Formulating
Here's a LOI that I have been studying and it appears that Alkyl Benzoate may be used as a solubilizer for the Vitamin E Tocotrienol:

The Vitamin C is 10% and the combined (Water, Glycerin, Sodium Levulinate, Sodium Anisate) is generally used at 3%.  So, the Alkyl Benzoate is somewhere in the range 3% to 10%.  I have tried mixing Alkyl Benzoate with Tocopherols (1%) at various amounts within the 3% to 10% range, but have had no success incorporating it into the formulation ... the Alkyl Benzoate/Tocopherols separate out.  Somehow, the manufacturer managed to produce a relatively clear serum.  Any ideas?

Water, Vitamin C (Sodium Ascorbyl Phosphate) (10%), Alkyl Benzoate, Vegetable Glycerin, (Water, Glycerin, Sodium Levulinate, Sodium Anisate) (3%), Clary Sage (Salvia Sclarea), Grapefruit (Citrus Grandis), Hyaluronic acid, Amorphophallus Konjac Root Powder, Aloe Barbadensis Leaf, Vitamin E (Tocotrienol), Ferulic acid, Chamomile Flower Extract (Recutita Matricaria), Sodium Phytate, Xanthum Gum, Hydroxyethylcellulose
Chemist/Microbiologist formulating in the Organic & Naturals arena under ECOCert/Natural Products Assn/Whole Foods/National Organic Program guidelines focused skincare & haircare products. 

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