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Why does summer sunscreen rub mud? How to rub mud with sunscreen?

It's going to be summer soon. For many beautiful girls, sunscreen must be done well in summer. Sunscreen is a skin care product that we need all the year round, but many girls think it's easy to rub mud with sunscreen in summer. What's the matter?

Why does sunscreen rub mud

Some sunscreens contain both physical and chemical sunscreen ingredients. This type of sunscreen also has film-forming property. When the water, alcohol and silicone oil in the product evaporate, the sunscreen will form a physical protective film on the face. Once gently rubbed, it will rub mud and crumb, resulting in the phenomenon of mud rubbing.

In fact, it's not just sunscreen. In order to make it more smooth to use, many sunscreen products will be added with high molecular glue, but it has a little stickiness. Sometimes if you only use sunscreen, you won't encounter these problems. Mud rubbing is not necessarily a problem of your own skin drying or sunscreen formula, but because of the sunscreen you apply and you make Because the moisturizing skin care products are mixed with particles, the physical sunscreen ingredients will soon form a membrane when encountering colloidal molecules with different electrolytic properties.

II. How to rub the mud with sunscreen

1. Apply sunscreen by pressing, apply proper amount to fingers or palms, and press and pat evenly on the part requiring sunscreen after fainting slightly. Due to the large molecules of sunscreen, do not use the method of applying the whole face, massage until it is hard to squeeze it into the pores, so it is easy to 'rub the mud', and it will also block the pores.

2. after finishing the sunscreen cream for about 2-3 minutes (depending on the product and the skin condition), then apply the foundation to use the cream or other sunscreen products. When you use the foundation, try not to use the sponge with big friction force, and use the foundation brush or finger pat to make it lighter.

3. If the phenomenon of "mud rubbing" has occurred, it is necessary to use a brush to gently sweep, do not use a tissue paper to wipe, so as not to wipe out the sunscreen ingredients.