Calming Force Clear Skin SerumPacked with proven ingredients, this effective yet gentle hydrating serum helps combat stressed skin reducing redness, unclogging pores, calming blemishes and fading dark spots. Lightweight and fast absorbing, Clear Skin Serum can be used morning and night. How to use: Use your fingertips to apply a small amount onto the face and neck. To avoid irritating reactions, do not mix or layer with acidic products containing vitamin C, AHA's or exfoliants.