Vitamin C Ester CCC + Ferulic Brightening Complex 20% Serum

Vitamin C Ester CCC + Ferulic Brightening Complex 20% Serum by Perricone MD is listed here as a skincare product. Active ingredients can be effective and irritating at the same time, which is why the usual advice is to introduce one at a time. Apply to clean skin and give each layer a moment to absorb before the next — a rushed routine mostly pills. Where one is discounted, compare the size and edition rather than the headline alone. Keep the lid closed and the pack out of direct sun — light and air degrade most actives faster than time does. Whoever is cheapest today may not be tomorrow, so it is worth looking again before settling on the best deal.