Five different cosmetic acids were used to form complexes with Carbopol Aqua CC polymer:
10.0 wt% lactic acid (88%) and 10.0 wt% glycolic acid (71%),
each with 4.0 wt% total solids (TS) Carbopol Aqua CC polymer,
plus 3.0 wt% ascorbic acid (99%),
1.0 wt% kojic acid (99%) and 1.0 wt%, nicotinic acid (99%),
each with 2.0 wt% TS Carbopol Aqua CC polymer.