1. Ethoxydiglycol Solvent Ferulic Acid can also dissolve Vitamin E dl-alpha tocopherol or Butylene Glycol 2. If yes, when using Vitamin E and Ferulic Acid dissolved in Ethoxydiglycol finished Dissolve in water that mixes Vitamin C L ascorbic acid standard 15% or not? // If yes, please set the % of F...