October 30, 2019

Your baby’s health and well-being should be your number one priority. As a parent, it is your duty to keep your child healthy and safe. One of the best ways to do that is to invest in a baby bottle sterilizer.

Making a habit of sterilizing your baby’s bottles ensures that no harmful bacteria or germs are taken in by your child. It is crucial to have a reliable bottle sterilizer that can do the job well.With that in mind, we have compiled a list of the best baby bottle sterilizers so you can rest easy, knowing that your child is protected.

Types of Baby Sterilizers

1. Electric Bottle Sterilizer
The most common and usually considered as the most convenient type of bottle sterilizer, for the reason that is the easiest to operate. Electric sterilizers use steam to kill bacteria. It only requires you to plug it into a regular outlet and wait anywhere from 5-15 minutes for the job to be completed. Contents inside can remain sterile for up to 24 hours with the lid closed.

The major disadvantage of an electric sterilizer is that it is generally more expensive and requires more electricity to use than the other sanitization methods that are on the market.

2. Microwave Bottle Sterilizer
The best thing about a microwave sterilizers is that it requires no chemicals or any rinsing. Heating and sterilizing of bottles take anywhere from 2-8 minutes depending on how many watts your unit has. Like the electric sterilizer, it also uses steam to kill harmful element and you will only need to fill it with water.

The only disadvantage to this method is that you can’t sterilize metal (think baby spoons, metal rings on baby bottles etc).

3. Cold Water Sterilizer
For this kind of sterilizer, you will need to purchase sterilizing tablets or liquid. You mix these in with cold water and then soak your baby bottles in the liquid for at least 30 minutes to remove bacteria. After taking out the baby bottles you must then rinse them with recently boiled water so that the baby bottles to wash out the solution.

The main disadvantage of this method is that it leaves behind a taste from the baby bottle sanitizer and is often hard to get rid of. It may also turn your baby off from using the bottle.

Why should you use a Bottle Sterilizer?

sterlize bottle

Formula milk and liquid food which have the possibility of growing harmful bacteria, viruses, and parasites inside the feeding bottle of not cleaned thoroughly. This is especially the case for the parts of bottles such as the nub where the baby sucks from; it’s a common place for all kinds of harmful bacteria and pathogens to build up and it needs to be cleaned and handled properly.

Unsterilized bottles and the subsequent cesspool of bacteria can lead to diseases in children, one of this being thrush which causes white patches, blotches, and irritation of the mouth tongue, and gums, and in serious cases it can make the baby’s mouth very sore and it can even go into the digestive tract causing severe diarrhea which can be sometimes fatal.

Furthermore, unsterilized bottles can also cause gastroenteritis which is similar to food poisoning in babies. It can cause vomiting, diarrhea, dehydration, and in worst case scenarios it can result in death.

What to look for in a Bottle Sterilizer?

High-quality Materials
A good sterilizer is made from durable materials. If it is made from plastic, it should be able to withstand extreme heat. It should also be free from BPA and other harmful chemicals.

Kills Harmful Bacteria
Whether it uses high heat steam or sterilizing liquids, it should be able to kill 99.9 percent of bacteria. Steam sterilizers must be able to reach high heat quickly and can keep contents sterile for 24 hours when kept inside.

Easy to Use
It should not be difficult to operate and user-friendly. If it utilizes a microwave, the clear instructions should be conspicuous. The part which water should be placed must be easy to locate. It must be safe to handle and must have safety lids to keep contents secure.

Best Bottle Sterilizer Reviews 2020

1. Philips AVENT Microwave Steam Sterilizer
best bottle sterilizer

The Philips AVENT Microwave Steam Sterilizer is a compact and lightweight bottle sterilizer made from imported plastic materials. It operates at a higher temperature than dishwashers and kills 99.9% of harmful bacteria in just 2 minutes.

The Microwave Steam Sterilizer uses the power of your microwave to create natural steam. Just add water and place in the microwave for 2 minutes. Contents stay sterile for up to 24 hours if the lid stays closed. Safety clips keep the lid securely closed and side grips stay cooler for safe handling. At full capacity, the sterilizer holds up to 4 9 ounces or 2 11 ounces Philips AVENT Classic or Natural bottles. You can also use it to sterilize pacifiers, non-metal utensils, and other microwave-safe baby items. It is easy to use and sterilizes fast.

The Microwave Steam Sterilizer is 6.5 inches by 11 inches, the sterilizer fits in most microwave ovens, and It is BPA free.

  • Made of quality plastic
  • Great for home use and travel
  • Comes with one set of thong
  • Operates at a higher temperature than dishwashers
  • Very affordable
  • Effective, quick, and easy to use
  • Contents can stay sterile for 24 hours if lid is closed
  • Compact and lightweight


  • Tray tends to tilt at the slightest push
  • Less functional for other bottle brands
2. Munchkin Steam Guard Microwave Sterilizer
best bottle sterilizer 2020
The Munchkin Steam Guard Microwave Sterilizer is a lightweight and compact bottle sterilizer with heat-resistant handles. It is easy to use and fast acting bottle sterilizer. Unlike traditional sterilizers, this product utilizes a microwave.

The Munchkin Steam Guard Microwave Sterilizer is a safe, natural and efficient way to kill up 99.9% of bacteria on bottles, nipples, pacifiers, teethers, small toys and breast pump accessories right in the microwave. There’s enough room to sterilize up to 4 baby bottles and 2 breast pump shields at once. This compact baby sterilizer fits all standard designed to safeguard everything inside and prevent accidental opening, too. It has an open-away latch that prevents steam burns.

It is BPA Free, Phthalate Free, PVC Free, Latex Free, and Nitrosamine Free. It has a one tab latch to open the lid and fits all standard microwaves.

  • Simple and fully-functional design
  • Large capacity and puts together well
  • Easy to use and sterilizes fast
  • Very affordable and convenient
  • Easy to assemble and use
  • Can fit leaves things very wet on the inside and takes all day today
  • Works in all standard microwaves
  • Open-away latch prevents steam burns


  • Leaks getting scorching hot water all over you
  • Leaves things very wet on the inside and takes all day to dry
3. Dr. Brown's Microwave Steam Sterilizer
best electric steam bottle sterilizer
The Dr. Brown’s Microwave Steam Sterilizer sanitizes and disinfects your baby’s feeding bottles. It effectively kills all harmful household bacteria and germs. The sterilizer is made from the high-quality plastic material.

It has a sterilizing tray, which is custom molded to hold 4 Dr. Brown’s baby bottles. The tray is also removable for easy cleaning. This feeding bottle sterilizer comes with a pair of tongs to remove the sterilized bottles. This product is BPA free and ensures your bottles are clean and safe for your baby. It can sterilize up to 4 bottles at a time and can hold standard or wide neck bottles. It is dishwasher safe and uses tap water.

This product is made in the US. Simple yet functional design and very affordable.

  • There are little holes and places to put all of the pieces
  • Everything comes out sterilized
  • Fits in a small 1000 watt microwave
  • Easy and convenient to use
  • Utilizes tap water
  • Made from BPA free materials
  • Comes with a pair of tongs
  • Clean and safe to use
  • Can sterilize up to 4 bottles at a time
  • Good for both standard and wide-neck bottles
  • Dishwasher safe
  • Tray is removable for easy cleaning
  • Very simple but highly functional design


  • The nipples and collars don’t exactly fit in their places
  • Too large for standard microwaves
4. Philips AVENT 3-in-1 Electric Steam Sterilizer
bottle sterilizer 2020
The Philips AVENT 3-in-1 Electric Steam Sterilizer is a feeding bottle sterilizer that kills 99.9 percent of germs through intense steam sterilization. Simply plug the unit into any standard electrical outlet to safely and effectively eliminate most household germs in as little as six minutes.

The Philips AVENT 3-in-1 Electric Steam Sterilizer has a 6-minute automatic shut off for speed and safety. The sterilizer does not work for 10 minutes after a sterilizing cycle, it needs to cool down first. Wait for 10 minutes, before you turn it on again. 3-in-1 adjustable modular design allows you to fit a variety of bottles, pumps and accessories at full capacity, fits up to 6 Philips Avent 11-ounce bottles.

The adjustable size allows you to customize to your needs. It is suitable for all wide neck and narrow neck bottles. With adjustable size, it takes up less kitchen space.

  • Spacious enough to fit 6 bottles
  • Easy and convenient to use
  • Can sterilize 6 bottles at a time
  • Auto turn off, no more need to set timer when using boiling water method
  • Compact size doesn’t take much space
  • Can be plug in any standard electrical outlet
  • 3-in-1 adjustable modular design
  • Adjustable size and takes up less space
  • Kills bacteria in 6 minutes
  • Can be used for washing both bottle and nipples


  • Need to clean every after use
  • Prawn to rust and bad odor
5. Tommee Tippee Microwave Travel Steam Baby Bottle Sterilizer
electric steam sterilizer
The Tommee Tippee Microwave Steam Sterilizer is a feeding bottle sterilizer measuring 27cm wide x 15 cm tall so fits in most regular microwaves. The sterilizer is easy to use, simply fill the base with 200ml of cold water, load basket and sterilize.

Its easy-loading basket is designed especially for closer to nature baby bottles and accessories. The sterilizer has a fast, 4 to 8-minute sterilizing cycle (plus 3 minutes allowance for cooling. It is designed to hold four closer to nature bottles, nipples, and lids. The product is a chemical free sterilizing system designed to kill 99.9 of bacteria. Its contents stay sterile for a full 24 hours (if the lid stays closed).

No need to separate test and screw ring for sterilization. Lid doubles as a sterile work surface for feeding preparation. The Closer to Nature microwave steam sterilizer is BPA free.

  • Comes bottle, pacifier, and a formula storage cup
  • Fits and holds more than four bottles
  • Fit in standard size microwave with plenty of room to spare
  • Bottles sterilized in 5 minutes
  • Convenient to use and sterilizes fast
  • Sturdy and durable
  • Easy to clean
  • Very affordable
  • Contents stay sterile all day and night
  • No need to separate test and screw ring for sterilization
  • Easy loading system for closer to nature bottles and accessories


  • Doesn’t fit 9 oz bottles
  • Sides easy to open but difficult to close

My Choice

After looking into the pros and cons of the 5 bottle sterilizer that I reviewed, I, therefore, conclude that the Philips AVENT Microwave Steam Sterilizer is the best overall. I chose this product for the following reasons.

  • Made of imported high-quality plastic
  • BPA free
  • Operates at high temperature than dishwasher
  • Fits in most microwave
  • Effective, quick, and easy to use

The Philips AVENT Microwave Steam Sterilizer has clearly topped other bottle sterilizer brands.

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I'm a mama to three lovely kids. I'm passionate about mothering and parenting, and am eager to share what I know on topics such as parenting, natural living and child safety.

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