Please have a look at the recipe. What is this lack-excess? Vitamin C L-ascorbic acid (Grade: Ultra-Fine ) 15% Propylene Glycol 7% Ethoxydiglycol 20% Glycerin 3% Mannitol 3% Laureth-23 3% Triethanolamine 99% 1% Vitamin E Tocopheryl Acetate 1% Ferulic Acid 0.50% Phenoxyethanol (Extra Low Phenol) ...