​Skinceuticals Discoloration Defense Serum - Anti-Blemish brightening skin care serum. - Helps protect the skin against environmental factors. - Supports removing the appearance of stains. - Its improved content equalizes the tone differences in the skin and gives the skin a bright appearance. How to Use: Apply 3-5 drops to clean skin by massaging. Recommendation: You can complete your skin care with Skinceuticals moisturizer. Who Can Use: Suitable for all skin types.