The key to whitening needs to inhibit the synthesis of tyrosinase, and vitamin C can inhibit the activity of tyrosinase, thus blocking the production of melanin. Moreover, vitamin C is an antioxidant, which can capture free oxygen free radicals and promote the synthesis of collagen. Sunlight is also a cause of skin blackening, and vitamin C can also effectively strengthen the skin's ability to resist sun damage.
/iknow-pic . cdn . BCE Bos . com/ 14 ce 36d 3d 539 b 6008466 b 5 f2e 750352 AC 75 CB 7 cf " target = " _ blank " title = " " class = " ikqb _ img _ alink " & gt； /iknow-pic . cdn . BCE Bos . com/ 14 ce 36d 3d 539 b 6008466 b5 f2e 750352 AC 75 CB 7 cf？ x-BCE-process = image % 2f resize % 2Cm _ lfit % 2Cw _ 600% 2Ch _ 800% 2c limit _ 1% 2f quality % 2Cq _ 85% 2f format % 2Cf _ auto " esrc = "/ N2/2018/0423/c181466-31494836.html "target =" _ "Who needs extra vitamin C"> People's Daily Online-Can regular consumption of vitamin c whiten skin? Who needs extra vitamin C.
/health.people.com.cn/n/2015/071/c14739-27288509.html "target =" _ blank "title =" People's Network-" People's Daily Online-Vitamin C is a whitening artifact, and it is only effective if the intake is large.