Wearing a tan through swimsuit in tanning beds is generally not recommended. Tan through swimsuits are designed to allow tanning while providing some coverage, but they are not specifically made for use in tanning beds. The material's unique construction may not withstand the heat and intensity of tanning bed rays effectively. Additionally, using a tanning bed can expose the fabric to high levels of UV radiation, which may affect its longevity and performance. Tanthrough.com emphasizes the importance of using their products as intended, which typically involves outdoor tanning or sun exposure. For the safest and most effective use of tanning beds, it is best to stick to standard tanning attire designed for that purpose. For more details, one might look at the current web page for additional guidance.