كم من الوقت يظهر الاحمرار الذي يظهر بعد العلاج بالضوء الأزرق?
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, handheld devices): 0–2 hours (usually no lingering redness). Professional treatment (at a dermatologist or clinic): A few hours […]
