(1) Usage test on 20 volunteers aged 22 to 50, with combination skin and mild blemishes, for 28 days.
(2) Non-comedogenicity test on 22 volunteers aged 20 to 55, with combination or oil and acne-prone skin, for 28 days.
(3) Objectivity test on 18 volunteers aged 22 to 50, with combination skin and mild blemishes, for 28 days.