Summer sun protection, autumn moisture, at the turn from summer to autumn, all the MM are in a rush to change their skin care products. But do you really need to immediately replace the entire set of your skin care products? Or should you take this time to immediately enter into whitening care? Can products that cannot be used up be stored in the refrigerator? In fact, what you need most is to update your seasonal transition skin care knowledge and avoid falling into the pitfalls that may harm your skin.