1. Ice compress-moisten the iced lotion with a cotton pad and apply it to the face or areas with large pores, which can have a good astringent effect.2. Towel cold compress-put a clean special towel in the refrigerator, after washing your face, lightly apply an ice towel on your face for a few seconds.3. Use fruits to apply on the face-watermelon peel, lemon peel, etc. can be used to apply on the face. They have multiple functions such as astringent and soft pores, inhibiting oil secretion and whitening.4. Lemon juice face wash-People with oily skin can add a few drops of lemon juice in clean water when washing their face. In addition to constricting pores, it can also reduce the occurrence of acne and pimples.