Testosterone cream or gel is applied once daily to clean, dry skin on your shoulders, upper arms, or abdomen. The process takes just a few minutes, but getting the details right matters for both absorption and the safety of people around you. Here’s exactly how to do it.
Where to Apply It
Apply testosterone gel or cream only to areas that would be covered by a short-sleeve t-shirt: your shoulders, upper arms, or stomach area. You can use one of those zones or spread across a combination of them. The key is choosing a flat area with enough surface to spread the product in a thin, even layer rather than concentrating it in one spot.
Do not apply it to your penis, scrotum, chest, or any skin that is broken, irritated, or sunburned. These areas either absorb the hormone too unpredictably or are more likely to come into direct contact with other people. Rotating between your left and right shoulders or alternating between your abdomen and upper arms can help prevent skin irritation over time, especially if you notice any redness or increased hair growth at one site.
Step-by-Step Application
Wash your hands with soap and water before you start. Your skin at the application site should be clean, dry, and free of any lotions, sunscreen, or oils, which can interfere with absorption.
If your product comes in foil packets, tear the packet open completely along the perforation. Squeeze the entire contents directly onto the skin where you’ll apply it, or squeeze it into the palm of your hand first and then spread it on. Don’t try to save a partial packet for later.
If you’re using a metered-dose pump, you’ll need to prime it before the very first use. For most pumps, this means pressing it down fully several times (typically 3 to 8 times, depending on the brand) while holding it over a sink. Rinse away any product that comes out during priming. After that initial step, each pump press delivers a measured dose, so simply press the number of times your prescription specifies.
Spread the gel or cream in a thin layer across the application site. Don’t rub aggressively. A gentle, even spread is enough. Once applied, wash your hands thoroughly with soap and water, including under your fingernails. This is one of the most important steps for preventing accidental transfer to others.
Drying Time and Water Restrictions
Let the product air-dry completely before putting on clothing. This usually takes a few minutes, though thicker creams may take slightly longer than gels. Once it’s dry, cover the area with a shirt.
Do not shower, swim, or take a bath for at least 2 hours after applying. Some formulations absorb more slowly and benefit from waiting even longer, up to 4 hours, before getting the skin wet. Heavy sweating from exercise can also wash the product away before it’s fully absorbed, so plan your application around your workout schedule. Many people find that applying first thing in the morning, before their shower the night before has dried, and then getting dressed for the day works well. Others prefer applying after an evening shower and sleeping in a t-shirt.
Preventing Transfer to Others
Testosterone absorbed through the skin of women and children can cause serious effects. In children, accidental exposure has led to early pubic hair growth, genital enlargement, accelerated growth, advanced bone aging, acne, and mood changes. In a review of 35 reported pediatric cases, 100% developed pubic hair and nearly 89% showed genital changes or accelerated growth. These effects are avoidable.
Two things nearly eliminate transfer: covering the application site with clothing, or washing the site with soap and water before skin-to-skin contact. Wearing a t-shirt over the area after the gel dries is the simplest protection for daily life. If you expect close physical contact with a partner, child, or pet before your next shower, wash the application area first.
Other practical precautions that matter:
- Hands: Wash thoroughly with soap and water immediately after every application.
- Clothing and bedding: If your shirt or sheets contact the application site before the product is fully absorbed, wash them before others use them.
- Foil packets and pump bottles: Store them out of reach of children. Throw away empty packets where kids and pets can’t get to them.
Pregnant women or women who may become pregnant should be especially careful to avoid contact with treated skin, as even small amounts of testosterone can affect fetal development.
Getting Consistent Absorption
Consistency matters more than most people realize. Apply at roughly the same time each day to keep your hormone levels steady. Skipping a dose or doubling up throws off that stability.
Avoid applying sunscreen, lotion, or other skin products to the same area around the time of application. These can create a barrier or alter how quickly the testosterone moves through your skin. If you need sunscreen, apply it to other areas or wait until the testosterone has fully dried and been covered by clothing.
Rotating application sites (left shoulder one day, right shoulder the next, abdomen the day after) can reduce localized skin irritation like redness, acne, or oily skin at the site. These side effects are uncommon but more likely if you apply to the same small patch of skin every day.
Monitoring Your Levels
Your provider will typically check your testosterone levels about 30 days after you start treatment, giving the therapy enough time to reach a steady state. For the blood draw to be meaningful, your provider will tell you when to come in relative to your daily application time, since levels fluctuate throughout the day. Keep applying as prescribed leading up to the test so the results reflect your actual routine rather than an unusual day.
If your levels come back too high or too low, the fix is usually a simple dose adjustment, not a change in how you apply it. That said, if you’re consistently showering too soon, missing days, or applying to wet skin, those habits can affect absorption enough to skew your results. Mention any inconsistencies to your provider before they adjust your dose based on lab work alone.