Is isolation cream really the "protector" of skin?

　　 At present, in the beauty industry, various "advanced" technologies and scientific "concepts" are dazzling. Weight loss, breast enlargement, wrinkle removal, whitening... No matter how beautiful you want to be, there seems to be corresponding products to help you achieve it.“ Dream think". But are the various refurbished beauty devices and products truly safe and effective to use? Starting today, this edition will publish a set of "Scientific Beauty Investigation" articles to investigate and analyze popular beauty products. Readers are invited to pay attention.

The sand and dust are coming, but the woman driving the convertible car has no intention of hiding. “I'm not worried at all. ××Barrier cream creates a natural protective film for the skin. ”

The above scene is slightly exaggerated, but it comes from a TV commercial for a certain brand of isolation cream. In advertisements, barrier cream becomes a weapon for the skin to resist the erosion of dirty air. In other brands' advertisements, the cream is given many "tasks" such as blocking ultraviolet rays, adjusting skin tone, isolating makeup and even computer radiation. Isolation cream has almost become synonymous with "comprehensive protective film" for the skin. Can isolation cream really "keep out" all kinds of harm to the skin?