How often can a person safely tan in a tanning booth according to most guidelines?

The guideline that suggests tanning in a tanning booth 2-3 times a week is based on the need to balance skin exposure to ultraviolet (UV) radiation with adequate recovery time. Frequent tanning increases the risk of skin damage and the potential for skin cancer, but limited exposure allows the skin to produce melanin, the pigment that leads to a tan, without excessive risk. It's crucial to follow these recommendations to minimize adverse effects like burns and premature aging while still achieving a desired tanning effect. This frequency provides enough time for the skin to heal and reduces the chances of overexposure, which can result from more frequent sessions or daily tanning.