Make sure there’s not blockage on the vents. You can wash it in running water, or sterilize it in boiling water for 5 minutes.

Make sure that the nipple, ring, and bottle base is aligned properly and screwed tightly and thoroughly.

Over time, milk residues can get trapped in the vent and prevent it from working properly. The best thing to do is to make sure that the ends of the vents (back of the nipple) are clear and free from any blockage. You can easily clean them by kneading the vent tips in warm water. Also, you can sterilize the nipple in boiling water for 5 minutes to clear out anything that may be clogging in the vent.

To get rid of the the smell in the bottle, we first recommend sterilizing the bottles in boiling water for 5 minutes with a tablespoon of baking soda and let them air-dry. If this doesn’t fully get the job done, you can fill the bottle with warm water, and add a teaspoon of baking soda. Leave this overnight and clean and rinse the bottle next day. Hope this helps!

Although our bottles are excellent in helping breastfed babies easily transition to bottles, they are really designed for all babies, and to make parents lives a little bit easier.

Yes! Our bottles are perfectly safe in microwaves. If you are using microwave steam bag sterilizers, please follow the instruction provided. However, if you are looking to heat breast milk or formulas, please note that the overwhelming consensus is that microwaves are not recommended. Common reason for this is that microwaves do not heat evenly and can produce “hot spots”. Also, there are claims that microwaves can compromise the nutritional value of the breast milk or formulas.

Absolutely! Comotomo baby bottle and nipple is made with hygienic silicone that is free of BPA and other toxic chemicals.

You’re in luck! Our bottles are perfectly safe in dishwashers. But please place them on the top rack to avoid being too close to the heating coils.

While we don’t sell these parts separately, we’d love to help you out.

There are a lot of different opinions about how frequently you should sterilize baby bottles in general. First, you should absolutely sterilize the bottles and all the parts before using them for the first time. We recommend simply placing them in boiling water for about 5 minutes and then letting them air dry. After that many pediatricians feel that thoroughly cleaning with hot soapy water, or in dishwashers will do the job of keep the bottles and nipples clean and germ free.

That being said, here are our thoughts. Prior to 6 months, your little one’s immune systems aren’t quite fully developed.  So until that point, we’d recommend that you sterilize the bottles as frequently as you can. After 6 months, we think that it’s still good practice (and for your peace of mind) to sterilize the bottles and nipples once a week. Lastly, if your baby is sick for any reason, we’d strongly recommend frequent sterilization just to remove any doubt.

Comotomo baby bottles and teethers are made in South Korea.