Level 1: Skin changes during pregnancy. During pregnancy, due to changes in hormone levels, many expectant mothers will have their skin become more sensitive, dry or oily. At the same time, due to the increased metabolic rate within the body, the skin will be more prone to problems such as spots and acne. Therefore, it is very important to choose skin care products that are suitable for your skin type during pregnancy. Level 2: What cosmetics should be avoided during pregnancy? During pregnancy, cosmetics containing ingredients such as mercury, benzoic acid and phenylacetic acid should be avoided. These ingredients may cause adverse effects on the fetus. In addition, contains vitamin A