Swansi 20% Ethyl Ascorbic Acid & 2% HA Solution Vitamin C Whitening Serum 30ml is an ultimate solution for skin that is more luminous and vibrant. You can attain a more uniform skin tone and lessen the appearance of dark spots and hyperpigmentation by using this serum in your skincare routine. The high concentration of ethyl ascorbic acid helps to effectively lighten discoloration, revealing a luminous and glowing complexion. The high vitamin C content helps to prevent free radical damage to the skin, increase collagen formation, and lessen the appearance of dark spots and blemishes. This quick-absorbing, light consistency allows the serum to seep deeply into your skin without leaving behind a greasy or heavy feeling.