It usually takes about 3-6 months to recover from laser removal of age spots, the specific time is affected by many factors, and attention to strengthening nursing can help to recover faster. After laser removing age spots, it may be because the thermal effect of laser itself stimulates some normal melanocytes in local skin, which leads to the hyper function of these melanocytes and increased synthesis of melanin, thus leading to the occurrence of anti-black phenomenon. When the function of these localized hyper melanocytes gradually returns to normal, the anti-black phenomenon will also be improved. This recovery time takes about 3-6 months, the specific time is affected by the patient’s skin metabolism ability, skin condition, personal skin quality and other factors. Besides, after laser removal of age spots, strict sun protection and strengthened care can help anti-black phenomenon recover faster, such as: when going out, should pay attention to strengthen sun protection measures to avoid excessive ultraviolet radiation; light diet, eat more vegetables and fruits rich in vitamin C, vitamin E, etc.; to ensure adequate sleep and good mood, appropriate physical exercise, and so on. It should be noted that patients are recommended to go to regular hospitals and beauty organizations for laser age spot removal operation to avoid the occurrence of adverse reactions.