2 to 5 business days
acnes c10 contains pure vitamin c. it works effectively to fade dark spots and blemishes left by the burnt skin. acts on the skin to fade away scars, lumpy skin, and tighten large pores. enhances skin elasticity and firmness. goes deep into the skin for efficient fading of scars and black spots. safe and suitable for all skin types for flawless glowing skin. while using squeeze the tube to get a sufficient amount (1-2drops) on your palm, and then use a fingertip to apply to the affected areas that need treatment. for best results, apply twice a day. (morning and evening)