You can also choose light therapy in the following cases: Work or life requires short-term improvement Oral medication is ineffective Tends to form scarring Cannot tolerate oral medication Does not want to take oral medication ※ Light therapy: Red and blue light therapy Intense light therapy Photodynamic therapy ※ Before light therapy, you need to tell your doctor in advance: History of oral medication, past medical history, allergy history, breastfeeding or pregnancy ※ In addition to contacting your doctor in the following cases, you should Know how to relieve yourself quickly: Slight flushing and edema of the skin within 1-2 days of treatment, normal cold compresses. Dry skin after treatment, normal moisturizing, acne aggravation, post-treatment reaction, no need to worry, adhere to treatment. Pigmentation, normal, strengthen whitening and sun protection.