A DivaCup is a reusable menstrual cup made of medical-grade silicone that you insert into the vagina to collect period blood rather than absorb it. Unlike tampons or pads, it catches fluid in a small, flexible, funnel-shaped cup that can be worn for up to 12 hours before you empty, rinse, and reinsert it. A single cup can last anywhere from two to seven years or more, making it one of the most cost-effective period products available.
How It Works
The DivaCup is made of clear, pliable silicone that you fold and insert into the vaginal canal, similar to how you’d insert a tampon. Once inside, you rotate the cup a full 360 degrees so it unfolds completely and forms a light suction seal against the vaginal walls. That seal is what keeps the cup in place and prevents leaks. Rather than soaking up menstrual fluid the way a tampon does, the cup simply holds it in a small reservoir.
To remove it, you pinch the base of the cup to break the suction, then slowly pull it out. You empty the contents into the toilet, rinse the cup, and reinsert it. On lighter days, you may only need to do this twice a day. Heavier flow days usually require more frequent emptying.
Choosing the Right Size
DivaCup comes in three sizes. Model 0 is designed for first-time cup users who want to start with the smallest option. Model 1 suits people with a medium to heavy flow. Model 2 is intended for those over 35 or anyone with a wider vaginal canal, which can happen naturally with age or after childbirth.
Getting the size right matters for both comfort and leak prevention. A cup that’s too small won’t form a reliable seal, while one that’s too large can feel uncomfortable or be difficult to insert. If you’re unsure, starting with Model 0 or Model 1 and adjusting from there is a reasonable approach.
How Long You Can Wear It
You can leave a DivaCup in for up to 12 hours at a time, which is roughly double the recommended limit for most tampons. That makes it practical for overnight use, long workdays, or travel. On heavy flow days, you’ll likely need to empty it more often, sometimes every four to six hours, depending on your cycle.
Cleaning and Care
Before using a new DivaCup for the first time, wash it with a mild, unscented soap and then boil it in water for up to 10 minutes. This sterilizes the silicone and gets it ready for use.
During your period, day-to-day care is simple: empty the cup, rinse it with clean water, and give it a quick wash with a mild, oil-free, fragrance-free soap before reinserting. At the end of your cycle, do a more thorough cleaning by rinsing the cup and boiling it again for a few minutes. Some brands sell microwave-safe sanitizing containers that let you boil the cup in the microwave in three to four minutes.
Store the cup in a breathable pouch or container between cycles. Avoid airtight containers, which can trap moisture and encourage bacterial growth.
Cost and Lifespan
A DivaCup typically costs between $25 and $40. Since medical-grade silicone is extremely durable, some people use the same cup for seven years or longer without issues. Others find they need a replacement after two to three years, depending on how the silicone holds up. There’s no hard rule for when to replace it. Signs it’s time include visible discoloration that doesn’t clean off, a tacky or degraded texture, persistent odor, or any cracks in the silicone.
Compare that to the ongoing expense of tampons and pads, where the average person spends roughly $50 to $150 per year on disposable products. A single cup pays for itself within a few months.
Safety and TSS Risk
One common assumption is that menstrual cups are inherently safer than tampons because they collect fluid rather than absorb it. The reality is more nuanced. A 2018 study published in Applied and Environmental Microbiology found that menstrual cups actually supported higher levels of bacterial growth and toxin production than tampons in lab conditions. The researchers attributed this partly to the extra air that cups introduce into the vaginal environment, which can promote the growth of the bacteria responsible for toxic shock syndrome (TSS).
TSS remains rare overall, but the study’s conclusion was clear: menstrual cups are not necessarily safer than tampons when it comes to TSS risk, and they require similar precautions. That means emptying and cleaning the cup at regular intervals, washing your hands before insertion and removal, and not leaving the cup in longer than 12 hours.
Advantages Over Disposable Products
- Less waste: A single cup replaces thousands of tampons and pads over its lifetime, significantly reducing landfill contribution.
- Lower long-term cost: After the initial purchase, there’s no recurring monthly expense.
- Longer wear time: The 12-hour limit gives more flexibility than the four-to-eight-hour range recommended for tampons.
- No dryness: Because the cup collects rather than absorbs, it doesn’t strip moisture from vaginal tissue the way tampons can, which some people find more comfortable.
Common Challenges
There is a learning curve. Most new users need a few cycles to get comfortable with folding, inserting, and positioning the cup correctly. Leaks during the first few tries are normal and usually result from the cup not fully opening or not sitting in the right position. Practicing insertion and removal in the shower can make the adjustment period less stressful.
Removal can feel awkward at first, especially if the cup has shifted higher during wear. Bearing down gently with your pelvic muscles will push the cup lower and make it easier to reach the base. Always pinch before pulling to break the seal; pulling without releasing suction can be uncomfortable.
Public restrooms present a practical challenge since you ideally want access to a sink for rinsing. Many cup users carry a small water bottle to rinse the cup in the stall, or simply wipe it with toilet paper and do a full rinse at the next opportunity. On lighter days, timing your emptying for home use is usually manageable.