If you want to whiten, you must first know why it turns black.

Melanin is a kind of protein existing between stratum corneum and stratum granulosum. When exposed to ultraviolet rays, catalase is stimulated to produce dopa and release melanin, and when melanin moves to the epidermis of the skin, it forms spots visible to the naked eye. Therefore, if you want to whiten, sun protection is very important.

After-sun repair

Since sun protection is very important, what should many people do if they accidentally get sunburned? Answer: Fix it right away.

Timely repair after sun exposure can effectively avoid post-sun trauma.

About the methods of post-sun repair: timely moisturizing and hydrating, using post-sun repair cream, hydrotherapy and cold compress, etc.

3. Inhibit melanin

It can effectively inhibit melanin and whiten skin.

Because melanin presents different skin problems to different degrees. Here are three suggestions for everyone.

Generally, whitening products on the market can be roughly divided into three categories: antioxidants (vc, etc. ), inhibitory (arbutin, etc. ) and metabolism (fruit acid).

Among the skin care products with serious melanin spots, arbutin, licorice extract, kojic acid, 377 and other ingredients can be used, and the nursing effect is very good, among which the essence product has a better effect. Dark yellow skin can safely use vc antioxidants.

4. Do a good job in keratin care

Scientific and reasonable exfoliation. Moderate cleaning of old waste keratin is more conducive to skin metabolism and product efficacy.

Protect the integrity of the skin barrier. Whether whitening skin care is effective or not depends on a healthy skin barrier. When the barrier is seriously damaged, any skin care is futile.