形    状：白色至淡黄色结晶粉末

功    能：1.抗氧化，清除氧自由基;

2.促进血液微循环;

3.防晒;

4.美白祛斑 ，对内皮素ET-1具有拮抗作用，竞争性抑制ET-1与其受体结合，抑制内皮素对黑色素细胞的增殖;

用    量：0.1-3.0%

用    途：美白祛斑产品、防晒产品、抗衰老及植物防腐剂产品等

1. Anti-oxidation, scavenging oxygen free radicals;
2. Promoting blood microcirculation;
3. Sun-screening;
4. Whitening skin and removing spots: It displays antagonistic action on endothelin-1 (ET-1),
competitively inhibiting the binding of ET-1
and its receptors, and the proliferation of endothelin on melanocytes;
5. Bacteriostasis: It shows a superior inhibition on staphylococcus aureus, and can reduce the use of preservatives after adding in cosmetics.