The Ordinary Niacinamide 10% + Zinc 1% serum. This high-strength vitamin and mineral blemish formula helps to acne , pimples, blackheads and also reduce the appearance of skin blemishes . . . I got it nearly of 700 from Nykaa on 17 oct , I used it for like 10 days continuously and it’s not suiting my skin and return window is closed so I’m selling it here , it’s filled I have not used much . . I can make offers also girlies