... . Do detumescence, inflammation diminishing and scar elimination treatment for oil acne effectively6. Whitening, water replenishing, detoxification7. Face shaping, ... It can cause unexpected effects of repair aging skin, acne skin, skin patches, wrinkled skin, allergies and the ... Blue color: 470nm+/-10nm active the producing porphyrin in acne, produce toxic singlet oxygen3. Yellow color: 590nm+/-10nm4 ...