If you live with or frequently have close contact with women or children, you should be cautious with testosterone gel as it can transfer to others through skin-to-skin contact, potentially causing adverse effects like hair growth in women or early puberty in children. It’s essential to follow application instructions carefully, cover the application area with clothing once the gel has dried, and wash hands thoroughly after applying. Discuss with your healthcare provider about the suitability of testosterone gel in your situation or explore alternative TRT options like injections.