Note: Adapter is not included to avoid wasting resources, but you can charge it using any 5V DC adapter with USB-A port on hand. If need, get from COSLUS. Packaging may vary (new or old), but the contents are exactly the same.

• Why does the COSLUS water dental flosser only have three modes?

  Developed over 3 years through extensive user testing, this flosser ​​offers 3 simplified modes for ultimate ease of use. Suitable for all ages, from teens to seniors, it is built to deliver a premium lifespan of 3 years.

• What is the intensity of the water pressure? Which mode should I choose?

  This flosser features three pressure modes: high (Clean), medium (Message), and low (Soft). First-time users should start with the gentle Soft mode. Any initial gum bleeding is normal and should subside quickly as gums adapt.

• Do you need to add water a lot during use?​

  No, this water tank ​​has an upgraded, super-large capacity of 300ml, which is enough for a 2-minute cleaning session.​​

• Where can you get replacement tips?

  Nozzle Replacement: For best results, replace every 3 months. Find accessories on our product page, website, and COSLUS store.

• Does the package include the charging adapter?

  ​​The​​ adapter is not included to avoid ​​waste​​. You can charge it using any standard 5V adapter (like one from a phone or tablet). If needed, you can purchase a compatible adapter from COSLUS.