Hydroquinone is an effective whitening ingredient that prevents the production of melanin, the cause of dark spots, thereby preventing their formation, and also promotes the elimination of existing dark spots. It is also known as a skin bleaching agent.

Azelaic acid has been used overseas for over 30 years as a safe acne treatment. It effectively prevents and improves acne by suppressing sebaceous gland activity and inhibiting abnormal keratinization.