How long before laser treatment should a patient avoid sun exposure?

Patients should avoid sun exposure for at least four weeks prior to laser treatment to ensure optimal results and minimize risks. This timeframe allows the skin to recover from any potential tanning or sun damage, which can heighten the risks of complications during the laser procedure. Increased pigmentation or a tan can lead to worse side effects, such as burns or discoloration, during laser treatments, as lasers target pigmentation in the skin.

Additionally, avoiding sun exposure helps to enhance the efficacy of the treatment by ensuring that the skin is in its optimal condition. This proactive measure is particularly important for treatments that involve resurfacing or hair removal, where the laser interacts more intensely with the skin's surface. Therefore, adhering to this guideline is crucial for a safe and effective laser treatment experience.