The Blemish Control Astringent is highly effective, and recommended only for very oily and blemished skin types. Containing Vitamin B complex, it helps to normalize the pH balance of the skin and regulate oil gland secretion. Camphor Soufflé, Bio-Drying Lotion, Bio-Drying Masque, and Vitamin B Day Cream are very effective with, and complementary to the Blemish Control Astringent for blemished skin treatment and maintenance. Apply with cotton several times daily after cleansing or before applying day cream or make-up.