What should clients avoid applying immediately before tanning?

Clients should avoid applying self-tanner immediately before tanning because it can significantly impact the effectiveness and appearance of the tanning treatment being used. Self-tanners contain dyes that darken the skin, and if applied shortly before a tanning session, they can lead to an uneven tan or an undesired color result. This occurs because the pigments in the self-tanner may react with the tanning solution, causing streaking or patches where the tan is applied.

In contrast, products like body lotion, water, and exfoliant, when used appropriately and at the right times, do not interfere in the same way. While it's essential to ensure that the skin is clean and free of heavy moisturizers before tanning to ensure even absorption of the tanning product, self-tanner is specifically a concern due to its immediate color effect on the skin. Therefore, it is advisable for clients to use a self-tanner well in advance, allowing for ample time for it to develop and wear off before a tanning session.