According to Acne.org:
(first number is comeodogenic factor, second number is irritant factor)

10. Vitamins and herbs
Algae extract : 5 : 4
Red Algae : 5 : 2

Definitely stay away from this stuff if you have sensitive/acne prone skin!

http://www.acne.org/messageboard/topic/319593-the-bad-list-comedogenic-ingredients-and-products/


以 Acne.org：
（第一号码是会不会让痘痘， 第二号码是会不会让刺激）

10. Vitamins and herbs
Algae extract : 5 : 4
Red Algae : 5 : 2

根据，对敏感的皮肤非常不好
一定要避免！
http://www.acne.org/messageboard/topic/319593-the-bad-list-comedogenic-ingredients-and-products/