Incorporating Oil-Soluble Perfect-C into Water-Based Serum

Perfect-C (Ascorbyl Tetraisopalmitate) is an oil-soluble form of Vitamin C. To incorporate it into your water-based formula containing water, Glycerin, Disodium EDTA, Xanthan Gum, and Phenoxyethanol, you will need to dissolve the Perfect-C in a suitable oil or solvent first, and then use an emulsifier to combine this oil phase with your water phase.

Here's how you can approach this:

1. Dissolve Perfect-C: Dissolve the 5% Perfect-C in a suitable oil phase ingredient. This could be a light oil, ester, or a specialized oil-soluble dispersant/emulsifier.
2. Add Emulsifier: Incorporate an appropriate emulsifier into your formulation. The choice of emulsifier depends on the desired texture and stability of the final product (lotion, cream, serum). You would typically add the emulsifier to the oil phase containing the dissolved Perfect-C.
3. Combine Phases: Slowly add the oil phase (containing Perfect-C and emulsifier) to the water phase (containing water, Glycerin, Disodium EDTA, Xanthan Gum, and Phenoxyethanol) while mixing continuously to create a stable emulsion.
4. Adjust pH: Ensure the final pH of the formulation is within the recommended range of 5.0-5.5 for optimal stability of Perfect-C. Your formula already includes Disodium EDTA, which is helpful for stability in the presence of water.

Examples of ingredients that can help dissolve oil-soluble components or act as emulsifiers to incorporate the oil phase into the water phase include:

• Oil Blender™ (Polyglyceryl-3 Diisostearate) can help disperse oil-soluble ingredients in water-based formulas.
• Various cream makers or emulsifying waxes like CreamMaker EG™ or Emulsifying Wax 1000 can create stable oil-in-water emulsions.
• Certain LipidSoft™ ingredients can act as carriers for oil-soluble actives.

Choose an emulsifier or dispersant suitable for your desired product type and follow its specific usage instructions.