The most important function that The Smart Tan Skin Type System can perform in your salon is to help determine the appropriate tanning regimen for each client based on their skin type. This is crucial for ensuring that clients do not overexpose themselves to UV radiation, which can increase the risk of skin damage and skin cancer. By using The Smart Tan Skin Type System to determine the appropriate tanning regimen for each client, you can help ensure that they achieve a healthy, natural-looking tan without putting their skin at risk.