Endothelin antagonist is an important skin whitening agents found in the 1990s. It can be extracted from natural plant - chamomile, also can be made by biological fermentation preparation.
Usage:
1. to make melanin remove more efficient;
2. to make melanin remove faster;
3. to make melanin distributed evenly.
Post by Ma weifang Chemicals @2016-01-29 15:59:44