You can go to Mong Kok if you want to buy cosmetics. There are two subway lines passing through Mong Kok, one is Kwun Tong Line and the other is Tsuen Wan Line. If you are in Changshun Street, you can take the Tsuen Wan Line. At Cheung Sha Wan Plaza, there is a subway entrance at Lai Chi Kok Station. Take the Tsuen Wan Line to Central via Cheung Sha Wan-Sham Shui Po-Prince-Mong Kok. The goods here are dazzling.