Fenwa Famakinwa Milhouse, MD on Instagram: "How to apply testosterone cream for women. 1. Take a warm/hot shower right before applying it — it may help increase absorption 2. Dry off thoroughly 3. Apply to the back of the calf or inner thigh 4. It’s ok to use sunscreen or lotion over the application area but wait at least 1 hour after applying T cream. 5. Don’t sweat or get in water for at least 4 hours after applying cream. 6. Make sure you wash your hands thoroughly after application so you do