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：
（第一號碼是會不會讓痘痘， 第二號碼是會不會讓刺激）

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

根據，對敏感的皮膚非常不好
一定要避免！
http://www.acne.org/messageboard/topic/319593-the-bad-list-comedogenic-ingredients-and-products/