VLCC Snigdha Skin Whitening Face Mask This face mask visibly works on dark spots/marks on the skin, imparts glow to reveal brighter skin tone. With regular weekly usage, it reveals brighter, even skin tone. Directions for use of VLCC Snigdha Skin Whitening Face Mask : Wash and pat dry the face. Take appropriate amount of pack on the finger tips and spread out uniformly all over the face and neck in thin layer. Leave it for 15 minutes. After drying wash the face with water and pat dry.