블루 라이트 요법 후에 나타나는 발적은 얼마나 오래 지속됩니까??

How long the skin will be red after blue light therapy depends on how strong the treatment is and what skin type you have. But here is a general rule: Typical Redness DurationMild At-Home Treatment (LED masks, 휴대용 장치): 0–2 hours (usually no lingering redness). Professional treatment (at a dermatologist or clinic): A few hours […]