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  • 10 Best Tried and True Japanese Toilet Deodorizers in 2022 (S.T. Corporation, Kobayashi Chemicals, and More) 1
  • 10 Best Tried and True Japanese Toilet Deodorizers in 2022 (S.T. Corporation, Kobayashi Chemicals, and More) 2
  • 10 Best Tried and True Japanese Toilet Deodorizers in 2022 (S.T. Corporation, Kobayashi Chemicals, and More) 3
  • 10 Best Tried and True Japanese Toilet Deodorizers in 2022 (S.T. Corporation, Kobayashi Chemicals, and More) 4
  • 10 Best Tried and True Japanese Toilet Deodorizers in 2022 (S.T. Corporation, Kobayashi Chemicals, and More) 5

10 Best Tried and True Japanese Toilet Deodorizers in 2022 (S.T. Corporation, Kobayashi Chemicals, and More)

Wouldn't it be nice to not have to worry about the smell coming from your bathroom? Then how about purchasing a toilet deodorizer that'll both sanitize and leave your bathroom smelling fresh? Nowadays, there are a number of different kinds of toilet deodorizers; there are ones you simply place in the corner or on a shelf, sprays, and ones with automatic sensors. But just which one would be right for you and your bathroom?


Luckily, our editors searched Japanese e-commerce sites like Amazon, Rakuten, and Yahoo! Shopping for the 19 most popular toilet deodorizers. Then we put them to the test!


We tested each product for the following two criteria.


  1. How well does it deodorize?
  2. Does it have a pleasant scent?

So, which ones will stand out above the rest? Use this article as a reference to help you make your purchase!

Last updated 09/26/2023

Quick List - Top Japanese Toilet Deodorizers

1

S.T. Corporation

Toilet Deodorizer Citric Acid Plus
Toilet Deodorizer Citric Acid Plus

The Power of Citric Acid Deodorizes Three-Fold!

2

S.T. Corporation

Unscented Toilet Deodorizer
Unscented Toilet Deodorizer

The Perfect Unscented Deodorizer

3

Kobayashi Pharmaceuticals

Calming Charcoal Toilet Deodorizer
Calming Charcoal Toilet Deodorizer

A Toilet Deodorizer with a Calming Scent

4

Lion Chemicals

Aqua Refresh Beads
Aqua Refresh Beads

A Toilet Deodorizer for People with a Little Extra Space

5

Grease

EPD Basic Granule S
EPD Basic Granule S

A Granular Type Toilet Deodorizer That Gets Rid of Odors

Koji Matsubayashi
Expert
Odor Judge and Specialist
Koji Matsubayashi

Nationally certified as a judge of odor, he goes around providing advice and countermeasures for troubling smells, everywhere from large factories to simple households. Representative director of Kyosei Air Techno Co. Ltd. Company website: http://www.201110.gr.jp/ Blog: http://ameblo.jp/nioideka/

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Guide
Editing Dept.
mybest US Editors

mybest US' editing team consists of experienced members who have backgrounds in writing, editing, translation, and more. We are dedicated to researching what makes a product or service the best to users in the US in order to create top-quality articles. From skincare, to kitchen appliances, and to DIY supplies, our mission is to find the best ones for you.

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The expert oversees the Buying Guide only, and does not determine the products and services featured.

Table of Contents

How to Choose a Toilet Deodorizer - Buying Guide

Before purchasing your toilet deodorizer, we would like you to consider the following four points

1

Choose One Made Specifically for Bathrooms

Choose One Made Specifically for Bathrooms

Odors arise because of a number of different reasons. 


Most bathroom odors are caused by nitrogen compounds like ammonia or sulfuric compounds like hydrogen sulfide. Toilet deodorizers are specifically manufactured to deal with these types of odors so they would be wisest to choose.

2

Decide What You Need it for

Decide What You Need it for

For those of you wishing to freshen up your whole bathroom space and rid it of unwanted odors, we recommend getting a stand-up type. 


Stand-up toilet deodorizers come in liquid, bead, and gel types, so you can choose the one that's right for you. Some come in the form of well-designed bottles or card-types, allowing you to choose the one that best accents your bathroom decor. 

3

Choose between Deodorizers, Aromatic Deodorizers, and Deodorizing Absorbent

There are a few types of deodorizer you can purchase: a regular deodorizer, an aromatic deodorizer, or a deodorizing absorbent.

Regular Deodorizers are Effective at Odor Control

Regular Deodorizers are Effective at Odor Control

These deodorizers suppress the bacteria that cause odors in the first place. Unscented deodorizers are usually of this type. We recommend this type for those of you who don't like the fragrant smell that usually accompanies deodorizers

Aromatic Deodorizers Can Control and Cover Odors

Aromatic Deodorizers Can Control and Cover Odors

These deodorizers come in two types: ones that also suppress the bacteria that cause odors, and ones that only release fragrant chemicals to mask them. In other words, the latter doesn't get rid of bacteria or odor at all but just covers smells.


We recommend this kind of deodorizer for those of you who would like to replace the odors found in their bathroom with a scent of their liking. 


Note that these are different from ordinary air fresheners, which only have strong scents.

Absorbent Deodorizers Trap Bad Smells

Absorbent Deodorizers Trap Bad Smells

These deodorizers use activated carbon or clay to absorb the bacteria molecules that cause odor. We find that these work the best in smaller spaces

Air Fresheners

Air Fresheners

All air fresheners do is mask unwanted odors with a strong scent of their own. 


These don't get to the root of the cause like other deodorizers do. Placing one of these in an enclosed space like a bathroom would inundate it with its scent, making it almost unbearable. We don't recommend purchasing one of these. 

4

Check How Long They Last

Check How Long They Last

Most products will have how long they last written right on the label. 


This will of course affect cost per day so choose one that suits both your spending needs as well as how long you'd like to continue using the product itself

Was the Buying Guide helpful?

10 Best Japanese Toilet Deodorizers

Here are the best Japanese Toilet Deodorizers, ranked according to the relevant research (as of 11-04-2022). The products are ranked independently by mybest.
Popularity

Products

Image

Click to purchase

Key features

1

S.T. Corporation

Toilet Deodorizer Citric Acid Plus

S.T. Corporation Toilet Deodorizer Citric Acid Plus 1

The Power of Citric Acid Deodorizes Three-Fold!

2

S.T. Corporation

Unscented Toilet Deodorizer

S.T. Corporation Unscented Toilet Deodorizer 1

The Perfect Unscented Deodorizer

3

Kobayashi Pharmaceuticals

Calming Charcoal Toilet Deodorizer

Kobayashi Pharmaceuticals Calming Charcoal Toilet Deodorizer 1

A Toilet Deodorizer with a Calming Scent

4

Lion Chemicals

Aqua Refresh Beads

Lion Chemicals Aqua Refresh Beads 1

A Toilet Deodorizer for People with a Little Extra Space

5

Grease

EPD Basic Granule S

Grease EPD Basic Granule S 1

A Granular Type Toilet Deodorizer That Gets Rid of Odors

6

Kobayashi Chemicals

Muko Kukan Large Toilet Deodorizer

Kobayashi Chemicals Muko Kukan Large Toilet Deodorizer 1

An Overall Decent Toilet Deodorizer

7

Tispa

Real Toilet Deodorizer

Tispa Real Toilet Deodorizer 1

An Artificial Enzyme Filter That Lasts 2 Years!

8

Taiyo

Kininaru Odor-Concerned Bird

Taiyo Kininaru Odor-Concerned Bird 1

A Card-Type Toilet Deodorizer That Won't Take up Space

9

Earth Corporation

Toilet Fresh!

Earth Corporation Toilet Fresh! 1

A Strong-Smelling Citrus Toilet Deodorizer

10

Kobayashi Chemicals

Sawaday Lemon-Scented Toilet Deodorizer

Kobayashi Chemicals Sawaday Lemon-Scented Toilet Deodorizer 1

A Toilet Deodorizer with an Intense Scent

If you don't see the product you're looking for, you can request that it be listed.
No.1

S.T. Corporation
Toilet Deodorizer Citric Acid Plus

Toilet Deodorizer Citric Acid Plus 1
Reference price
$3.00
Low Mid
Reference price
$3.00
Low Mid

The Power of Citric Acid Deodorizes Three-Fold!

This toilet deodorizer uses nano-powder to get your bathroom clean and smelling fresh


Also, the alkalinity in the citric acid will counteract any smell of ammonia in your bathroom. By just placing this product somewhere in your bathroom, you won't have to worry about bad smells at all!


Compared to other deodorizers, this particular one has a scent of soap that isn't too strong on the senses. You'll be able to enjoy a relaxing scent while deodorizing your bathroom with our number one ranked toilet deodorizer!

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No.2

S.T. Corporation
Unscented Toilet Deodorizer

Unscented Toilet Deodorizer 1
Reference price
$7.33
High Mid
Reference price
$7.33
High Mid

The Perfect Unscented Deodorizer

Here we have the best choice for an unscented toilet deodorizer! Instead of filling your bathroom with another strong scent, it completely gets rid of bad odors. 


The tiny holes in the body and nano-powder help to absorb nasty odors. We recommend this product for those of you wishing to rid your bathroom of bad odors without just covering them up. 

No.3

Kobayashi Pharmaceuticals
Calming Charcoal Toilet Deodorizer

Calming Charcoal Toilet Deodorizer 1
Reference price
$3.40
Low Mid
Reference price
$3.40
Low Mid

A Toilet Deodorizer with a Calming Scent

This particular product's deodorizing ability was surprisingly effective compared to citrus deodorizers. We didn't find the charcoal scent unpleasant when mixed with other odors either. 


To be honest, some thought it smelled more like incense than it did charcoal. Others thought it smelled like hairspray, so our testers were divided.

No.4

Lion Chemicals
Aqua Refresh Beads

Aqua Refresh Beads 1
Reference price
$8.94
High
Reference price
$8.94
High

A Toilet Deodorizer for People with a Little Extra Space

This toilet deodorizer does a great job of suppressing unwanted odors. However, that deodorizing power isn't reflected in its large size


It's supposed to be unscented, but the beads themselves have their own scent to them. Also, we wouldn't recommend this product unless you have space to spare in your bathroom for such a large container. 

No.5

Grease
EPD Basic Granule S

EPD Basic Granule S 1
Reference price
$6.06
Mid
Reference price
$6.06
Mid

A Granular Type Toilet Deodorizer That Gets Rid of Odors

This granular type toilet deodorizer comes in a pouch with a sticky tab allowing you to stick it to a place of your choosing. It does a great job of getting rid of strong odors


Despite its deodorizing ability, it might not look so cool or fashionable at first sight. A container for it is available but it's rather expensive and requires electricity, so we wouldn't recommend going through the trouble of purchasing it. 

No.6

Kobayashi Chemicals
Muko Kukan Large Toilet Deodorizer

Muko Kukan Large Toilet Deodorizer 1
Reference price
$5.28
Mid
Reference price
$5.28
Mid

An Overall Decent Toilet Deodorizer

We didn't find this deodorizer to be fast-acting and the beads themselves had a certain scent to them. There have been reports of it being effective against strong odors as well as reports stating the opposite, so it seems to depend on the kind of odors you're trying to get rid of. 


It comes in a rather large size, so it's not recommended for those of you with smaller bathrooms. 

No.7

Tispa
Real Toilet Deodorizer

Real Toilet Deodorizer 1
Reference price
$6.71
High Mid
Reference price
$6.71
High Mid

An Artificial Enzyme Filter That Lasts 2 Years!

This toilet deodorizer comes with activated carbon and an artificial enzyme filter that absorbs and eliminates unwanted odors. Although it's odorless, it also gets rid of that strong ammonia smell common to bathrooms. 


At such a small size and low price, you can imagine how surprised we were to find out you can use it for up to two years! Some of you might even enjoy the design. 

No.8

Taiyo
Kininaru Odor-Concerned Bird

Kininaru Odor-Concerned Bird 1
Reference price
$6.73
High Mid
Reference price
$6.73
High Mid

A Card-Type Toilet Deodorizer That Won't Take up Space

Here we have the very rare card-type toilet deodorizer. Since you hang it instead of placing it somewhere, it won't take up space in your bathroom. 


It rated averagely in both categories but the strong deodorizer might smell good to some. If you'd like to purchase this product, you could also cut the sheets into smaller sizes to reduce the strength of the scent. 

No.9

Earth Corporation
Toilet Fresh!

Toilet Fresh! 1
Source:my-best.net
Reference price
$2.70
Low Mid
Reference price
$2.70
Low Mid

A Strong-Smelling Citrus Toilet Deodorizer

Here we have a liquid-type deodorizer with a strong citrus scent that masks unwanted odors instead of getting rid of them. 


Unlike the liquid types we see today, the bottle part is pushed up, letting you use it until the very last drop. However, it might be because of such a design, but it runs out rather fast, only really giving you a month's worth of effective deodorizing power. 

No.10

Kobayashi Chemicals
Sawaday Lemon-Scented Toilet Deodorizer

Sawaday Lemon-Scented Toilet Deodorizer 1
Reference price
$2.22
Low
Reference price
$2.22
Low

A Toilet Deodorizer with an Intense Scent

The intense lemon scent will mask any odor that comes its way but since it doesn't actually get rid of any smells, it sometimes mixes with the bad smell making it quite unpleasant


Although we found the smell a little overwhelming, it's better compared to other deodorizers with their distinct smell of alcohol. And since it comes in an array of scents, those of you who don't like the scent of lemon can choose one that's right for you. 

How We Tested the Products

How We Tested the Products

We purchased the top best-selling Japanese toilet deodorizers from Japanese websites like Amazon and Rakuten and put them to the test!


We tested each product for the following two criteria.


① Deodorizing ability

Pleasantness of scent

Test ① Deodorizing Ability

Test ① Deodorizing Ability

First, we tested each deodorizer for its ability to get rid of odors. 


We placed a sheet of paper soaked in ammonia in a plastic bag, sealed it, then put each deodorizer in it. We then waited a few minutes and had our expert smell inside the bag to see just how good their deodorizing power was. We rated each with a score of A+ to D

The Unscented Gel and Bead-Types Were Slow to Work

The Unscented Gel and Bead-Types Were Slow to Work

The effect of the gel and bead-type deodorizers (the ones that absorb the odor first to deodorize it) was difficult to measure since they usually aren't fast acting and each test was done in only a few minutes' time. 


On the other hand, liquid-type deodorizers were exceptionally fast-acting. For those of you not into fragrant deodorizers, go with an unscented one. 

Koji Matsubayashi
Odor Judge and Specialist
Koji Matsubayashi

"Gel and bead-type deodorizers absorb odors and freshen the room over time, so we couldn't count on them to eliminate odors in such a short period of time. Also, eliminating these odors is not only a question of time but also space. The smaller your bathroom is, the easier it will be for the deodorizer to eliminate odors.


Odor molecules are heavier than normal air molecules so unscented deodorizers should be kept somewhere on the bathroom floor whereas scented ones should be kept on a window sill or other elevated location."

Test ② Was it Pleasant to Use?

Test ② Was it Pleasant to Use?

Next, we tested each deodorizer for how good or bad they smelled after being mixed in with bathroom odors


After recreating odors found in the bathroom and mixing them with our deodorizers, we tested each mixture to see just how awful each smell became and gave them a rating of A+ to D

Strong-Smelling Deodorizers Had a Negative Effect

Strong-Smelling Deodorizers Had a Negative Effect

You can instantly feel the effects of a strong-smelling deodorizer, but the fragrance itself mixed in with the scent of ammonia is less than desirable. Even unscented deodorizers can have a strong smell of alcohol or other active ingredients. We recommend getting yourself one with just a hint of fragrance. 


S.T.'s Citric Acid Plus, coming in first in our examination, is the perfect example of a mild-smelling deodorizer, giving us absolutely no sense of unpleasantness at all

Koji Matsubayashi
Odor Judge and Specialist
Koji Matsubayashi

"There are a lot of overbearing deodorizers out there, made in hopes that they'll be able to mask the unwanted smells in your bathroom, thereby proving themselves a good product. Even some unscented ones have a certain chemical smell to them.


The level of unpleasantness will differ depending on the scent of the deodorizer. Soap-like scents prove to be much more unpleasant than citrus.


Yet, of course, whether a scent is pleasant or not solely depends on the person smelling it. Just make sure you purchase one that suits your liking."

Top 5 Japanese Toilet Deodorizers

No. 1: S.T. CorporationToilet Deodorizer Citric Acid Plus

No. 2: S.T. CorporationUnscented Toilet Deodorizer

No. 3: Kobayashi PharmaceuticalsCalming Charcoal Toilet Deodorizer

No. 4: Lion ChemicalsAqua Refresh Beads

No. 5: GreaseEPD Basic Granule S

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The descriptions of each product are referenced from content available on manufacturer, brand, and e-commerce sites.

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