Cos De BAHA Vitamin C 15% Ascorbic Acid (30ml) Price : 1250 Tk. Add to Cart Buy Now suitable for all skin type country of origin Korea Vitamin C is touted as one of the best anti-aging ingredients on the market — and the key to maintaining a smooth, even, and glowy complexion. Vitamin C has an excellent safety profile. Most people can use topical vitamin C for an extended period of time without experiencing any adverse reactions