The normal color variety for any serum truly having 20 % Salt Ascorbyl Phosphate (Vitamin C) will have a certain degree of opacity. The color could differ from batch to batch as we bottle the organic and natural elements in very tiny batches to ensure you obtain the best product possible. The kind of Vitamin C we make use of oxidizes at a much slower rate than L-ascorbic Acid and various other kinds of vitamin C therefore we assure its freshness and efficacy irrespective of its shade of color.