Is your skin dry, oily or normal? This is what you have to figure out so you can make sure you have the right face products. There are so many different types that it can be confusing.  If you have normal skin, your skin has the right balance of moisture, oil and durability. This is what you're trying to achieve with keeping it clean. If you have oily skin you face might appear shiny, greasy or oil only a few hours after washing. If you have dry skin, it's often flaky. If you have sensitive skin, your skin is often tight or itchy and you experience allergic reactions when you come into contact with certain chemicals. A lot of people have combination skin, where part of your face is oily while a different part is dry. Wash once in the morning and once in the evening. Everyone's skin is different and needs different things. You may have to test out a few different face washes to find the one that works best for you. What you really want from a face wash is something that cleans away dirt and germs and excess oils, but doesn't strip your skin of its healthy oils.  Picking your cleanser is based on your skin type, how often you wear make-up, and how often you work out. For instance, if your skin is oily, you'll want a cleanser that has a low pH level, which will be more effective in cleaning the oil. If you have sensitive skin, you won't want the cleansers that are full of chemicals. Avoid using ordinary soaps, which are too harsh for your face and can strip it of its natural oils. It's best to rinse your face with warm water or cool water. Hot water strips the healthy natural oils from your skin. You need to wash your face after exercising to get rid of any sweat and dirt and oils that might clog your pores. If you want to avoid chemicals from store-bought face wash, you can consider making your own. Don't scrub your face dry, be gentle. The skin on your face is sensitive. Make sure that the towel is clean. Otherwise, you'll be transferring bacteria to your clean face. While not necessary, toners can be a great...

TL;DR in Vietnamese:
Tìm hiểu xem da mặt bạn thuộc loại nào. Sử dụng sữa rửa mặt dịu nhẹ để rửa mặt 2 lần mỗi ngày. Vỗ mặt cho khô bằng khăn sạch. Sử dụng nước hoa hồng. Chăm sóc phần da quanh mắt thật nhẹ nhàng. Không sờ lên mặt. Sử dụng sản phẩm trang điểm phù hợp với loại da. Uống nhiều nước. Tuân thủ chế độ ăn uống lành mạnh.