
Menstrual cups are a popular alternative to tampons and pads, but they require careful cleaning and storage to avoid bacterial growth and infection. While some users recommend storing the cup in a breathable fabric bag to prevent moisture buildup, others suggest simply leaving it in a drawer or on a shelf. However, it is generally advised to avoid storing menstrual cups in plastic bags or airtight containers, as this can trap moisture and cause bacterial growth, leading to potential health risks.
| Characteristics | Values |
|---|---|
| Should I store my menstrual cup in a plastic bag? | No, it is not recommended to store a menstrual cup in a plastic bag or any other airtight container. |
| Why not? | Airtight containers can trap moisture, leading to bacterial growth and unpleasant smells. |
| What should I use instead? | It is recommended to store your menstrual cup in a breathable fabric bag or pouch, such as the one that often comes with the cup. |
| How should I clean my menstrual cup? | Wash your cup with mild soap and water after each use. You should also disinfect it by boiling it in water for 4-5 minutes between cycles. |
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What You'll Learn

Menstrual cups should not be stored in plastic bags
After a cycle, it is important to clean your menstrual cup before storing it. This can be done by rinsing the cup with cold water first to prevent staining, then washing it with warm water and mild soap. It should then be allowed to air dry. Some people also recommend sterilizing the cup by boiling it in water for 4-5 minutes before drying and storing it.
It is also recommended to keep the cup in a safe place, away from children and pets, and to wash your hands thoroughly before and after handling the cup. Additionally, it is important to read the instructions that come with your specific menstrual cup, as some cups may have different care requirements.
Overall, it is crucial to maintain proper hygiene and storage practices for menstrual cups to prevent the risk of infection, such as Toxic Shock Syndrome (TSS), which, although rare, can be serious and even cause death.
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A breathable fabric bag is recommended for storage
Menstrual cups should be stored in a breathable fabric bag or pouch to prevent the growth of bacteria and the trapping of moisture. The bag should be made of natural fibres, such as cotton, and should not be airtight. This is because menstrual cups need airflow and to stay dry when not in use.
Some menstrual cups come with a breathable cotton storage pouch, but if not, any natural-fibre bag will do. You could even wrap the cup in a cotton t-shirt or a piece of fabric cut from an old shirt or sheet. It is important to clean and dry the cup before storing it in the bag. This can be done by rinsing the cup with water, washing it with mild soap, and boiling it for 4-5 minutes.
It is recommended to avoid storing menstrual cups in plastic bags or airtight containers as this can cause the cup to retain smells and make them worse. Additionally, plastic bags can trap moisture, providing an ideal environment for bacteria to grow.
It is also important to note that the cup should be sterilised before first use and between cycles by boiling it in water for 4-5 minutes. Proper handling and cleaning of the cup are crucial to prevent infections and the risk of toxic shock syndrome, which is a rare but serious disease.
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Boiling a menstrual cup before storage
Boiling a menstrual cup is a common method to sanitise and clean the cup before storing it. It is recommended to boil the cup for 4-5 minutes before the start of each cycle to remove bacteria and buildup, and prevent stains and odours.
To boil the cup, start by washing your hands and the cup with a mild, unscented cleanser. Next, fill a pot with water and place it on the stove. When the water starts boiling, carefully place the cup in the pot, ensuring it is fully submerged but not touching the bottom or sides of the pot to avoid burning or melting. You can use a whisk or chopsticks to keep the cup elevated. Boil the cup for 5-10 minutes, monitoring it carefully to prevent overboiling.
After boiling, remove the cup from the pot and place it on a clean surface to cool and dry completely. Some brands also sell sanitising cups that can be filled with water and placed in the microwave with the cup inside, providing an alternative method to boiling on the stove.
While boiling is an effective method to sanitise the cup, it is not the only option. Other methods to clean and sanitise a menstrual cup before storage include:
- Using isopropyl alcohol (at least 70% concentration) to wipe down the cup.
- Soaking the cup in hydrogen peroxide diluted with water.
- Washing the cup with mild, oil-free, fragrance-free soap and clean water.
Regardless of the chosen cleaning method, it is important to ensure the cup is thoroughly dried before storage. A breathable fabric bag or pouch is recommended for storage, as it allows airflow and prevents moisture buildup, reducing the risk of bacterial growth. Avoid using sealed plastic bags or airtight containers for storage, as they can trap moisture and odours.
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Sterilising a menstrual cup before storage
Boiling:
- Bring a pot of water to a boil.
- Place the menstrual cup in the boiling water for 4-5 minutes. You can use a pair of metal tongs or a whisk to hold the cup and prevent scorching.
- Remove the cup from the water and set it aside to cool down and dry off completely before storing.
Microwave:
- Fill a microwave-safe container or a compact sanitiser with water and place the menstrual cup inside.
- Microwave for 3-4 minutes until the water boils.
- Allow the cup to cool and dry completely before storing.
Steam Sterilisation:
- Use a dedicated menstrual cup steamer, which utilises steam at high temperatures to kill bacteria and pathogens.
- Follow the manufacturer's instructions for effective and safe use.
Sterilising Tablets:
- Dissolve half a sterilising tablet (commonly used for baby bottles) in a glass of water.
- Soak the menstrual cup in this solution, then rinse and air-dry before storing.
Denture Tablets:
- Soak the menstrual cup in a solution of denture tablets and water at the beginning and end of each cycle.
- Rinse and dry the cup before storing.
Hydrogen Peroxide:
- Soak the menstrual cup in hydrogen peroxide, which is effective in reducing discolouration.
- Rinse and dry the cup before storing.
Breathable Storage:
When storing your sterilised menstrual cup, avoid using sealed plastic bags or airtight containers. Instead, opt for a breathable fabric bag or pouch, such as a natural fibre bag or a cotton pouch. This prevents the growth of bacteria by allowing airflow and keeping the cup dry.
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Menstrual cup cleaning products
Menstrual cups are a great eco-friendly alternative to disposable sanitary products. However, they do require careful cleaning and storage to prevent bacterial growth.
Firstly, it is important to avoid storing your menstrual cup in a plastic bag or any airtight container. This is because your cup needs to breathe and be stored in a dry, well-ventilated space to prevent bacteria from growing. Instead, opt for a breathable fabric bag or pouch, such as a cotton bag or a natural-fibre bag. Some menstrual cups come with a storage pouch, or you can purchase a small fabric bag specifically designed for storing menstrual cups. You can also wrap your cup in a cotton t-shirt or cloth.
When it comes to cleaning your menstrual cup, there are several options available:
- Mild soap and water: You can wash your cup with unscented, mild soap and water. Ensure that you rinse the cup thoroughly and dry it completely before storing it.
- Menstrual cup washes: There are specific washes designed for cleaning menstrual cups, such as the Saalt Cup Wash or the Flex Foaming Cleanser. These washes are formulated to wash away bacteria and protect your skin from residues and irritants without damaging the silicone of the cup.
- Boiling: Some people prefer to boil their cups between cycles to ensure they are thoroughly cleaned. You can boil your cup on the stove or in the microwave. Ensure that the water is fully boiled and that the cup is dried before storing it.
It is important to clean your menstrual cup regularly to maintain good hygiene and prevent infections. Always follow the specific care and cleaning instructions provided by the manufacturer of your menstrual cup.
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Frequently asked questions
No, you should not store your menstrual cup in a plastic bag or any other airtight container. It needs airflow and to stay dry when not in use so that bacteria doesn't grow.
You can store your menstrual cup in a breathable fabric bag, such as the one it may have come with, or a similar container to keep it clean and dry between uses.
You should wash your cup with soap and water, then boil it in water for 4-5 minutes to sterilize it before storing it.
You should wash your cup with mild soap and water each time you remove and empty it. At the end of your cycle, sterilize your cup by boiling it in water for 4-5 minutes and allow it to air dry before storing it for next month's use.











































