Xịt nước hoa vào các điểm tập trung mạch máu. Lưu ý phần ngực. Không quên phần cổ. Tránh xịt nước hoa lên vị trí tiết mồ hôi nhiều. Chọn một hoặc hai điểm.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
These are the areas of your body that produce a lot of body heat.  The heat will cause the fragrance to continue to smell good all day long. If you just put the cologne on your clothes, it may not be detectable for long.  The insides of your wrists are a good spot for cologne. Behind the ears is another spot that many men like to utilize. This is a great place to apply cologne since it scents your shirt and provides a nice burst of scent to whomever you might end up hugging. If you're relatively