激光反黑怎么预防？How to prevent PIH after lasers?레이저 PIH 예방?

术后严格防晒（SPF50+ 每 3h 补涂）、氨甲环酸口服（遵医嘱）、结痂自然脱落不抠。亚洲肤色选低能量多次。Strict SPF50+ reapplication, tranexamic acid (per doctor), no picking crusts. Asian skin: lower energy, more sessions.자외선 차단 철저, 딱지 함부로 제거 금지, 저에너지 다세션.