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Walk into any Japanese drugstore, such as Matsumoto Kiyoshi, Sundrug or Don Quijote, and you will find a whole wall of toothbrushes. Many visitors notice that the heads are small, the bristles very fine.
This guide is only about manual toothbrushes, interdental brushes, floss. It explains the Japanese words on the packs, what to check, then 7 products sold in Japan with prices checked on 11 November 2026. There is no ranking, and we did not test them. Facts come from the makers’ own pages, from Japanese local government health pages.
Looking for toothpaste? See our best Japanese toothpaste guide. For how drugstores work, see our Japan drugstore shopping guide. Electric toothbrushes are a separate topic, so they are not covered here.
📌 What you will learn
In a hurry? Japanese drugstores sell toothbrushes with small, thin heads, plus very fine bristles. On the pack, look for the head size, such as 超コンパクト, extra compact, the bristle type, such as 極細毛, extra-fine, plus the hardness: やわらかめ soft, ふつう medium, かため firm. Most cost about ¥200 to ¥400. For the gaps between teeth, buy 歯間ブラシ, interdental brushes, in sizes from SSSS to L. Replace your brush when the bristles spread out.
- Why Japanese toothbrushes look different
- Check before you buy
- 5 toothbrushes to look for
- 2 interdental brushes, all 7 compared
- Buying at drugstores, tax-free
- Frequently asked questions
- The short version
※ Prices include tax and were checked on 11 November 2026 at Yodobashi.com, a large Japanese retailer. Prices in drugstores differ. We did not test these products.
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Why Japanese toothbrushes look different
Japanese makers sell the same brush in several head sizes, several hardness levels. Lion, one of the biggest makers, says on its システマ, Systema, page that a brush that is too big or too small cleans less well: 「ハブラシは大きすぎても小さすぎても清掃効果が低くなってしまいます。」 Makers often say a thin, compact head reaches the back of your back teeth more easily. Lion says the head of its クリニカアドバンテージ brush is only 2.6 mm thin.
The other point is the bristles. Many Japanese brushes use extra-fine bristles, or bristles with tapered tips, which get thinner toward the end. Makers say these reach into the gap where the tooth meets the gum, 歯周ポケット.
Japanese words on toothbrush packs
Most packs are only in Japanese. These are the key words to look for:
| Japanese on the pack | Reading | English meaning |
|---|---|---|
| 超コンパクト | chō konpakuto | Extra compact head, the smallest adult size |
| コンパクト | konpakuto | Compact head |
| レギュラー | regyurā | Regular head, the largest of the three |
| 3列 / 4列 / 6列 | san-retsu, yon-retsu, roku-retsu | Number of bristle rows. More rows mean a wider head |
| やわらかめ | yawarakame | Soft |
| ふつう | futsū | Medium, normal |
| かため | katame | Firm, hard |
| 特にやわらかめ | toku ni yawarakame | Extra soft |
| 極細毛 / 超極細毛 | gokuboso-ke, chō-gokuboso-ke | Extra-fine bristles, super-fine bristles |
| 先細毛 / 超先細毛 | sakiboso-ke, chō-sakiboso-ke | Tapered bristles: the tips get thinner |
| フラット毛 | furatto-ke | Flat-cut bristles, all the same length |
| 歯周ポケット | shishū poketto | The gap between tooth, gum |
| 歯間ブラシ | shikan burashi | Interdental brush, for gaps between teeth |
| デンタルフロス / 糸ようじ | dentaru furosu, ito-yōji | Dental floss, floss on a holder |
※ Words taken from the makers’ product pages, packs listed at Yodobashi.com.
Check before you buy
✅ Check before you buy
- Head size: if your current brush feels big at the back of your mouth, try コンパクト, compact, or 超コンパクト, extra compact
- Hardness: やわらかめ is soft, ふつう is medium. Not every brush comes in かため, firm. Clinica Advantage, for example, comes only in soft, medium
- Bristles: 極細, 超極細, 超先細 all mean very fine or tapered tips, made for the gum line
- Rows: 3列 is narrow, 4列 is standard, 6列 or more is a wide head
- Model code: some brands print a code such as A41 on the pack. Lion says the Systema code is also printed under the handle, so you can buy the same one again
- Interdental brush size: sizes run from SSSS, the thinnest, to L. Start small. Do not force a brush into a gap
How often should you change your toothbrush?
Lion’s Clinica page suggests changing your brush about once a month. A leaflet from the Tokyo Metropolitan Government health bureau, 東京都保健医療局, explains why: as you use a brush, the bristles lose their spring, so it removes less dirt. It also says to replace it when the bristles spread out, even before one month: 「1 か月未満であっても、歯ブラシの毛先が開いてきたら交換しましょう。」
The same leaflet says that if the bristles spread out within one to two weeks, you may be brushing too hard, and suggests asking your dentist. If your gums bleed or hurt, see a dentist rather than just changing brushes.
5 toothbrushes to look for
Three popular drugstore brushes, a wide-head brush, then a gift-style brush.
1. ライオン クリニカアドバンテージ ハブラシ (Lion Clinica Advantage)
Clinica is one of Lion’s main oral care brands. Lion says the Advantage brush has a head only 2.6 mm thin, made to reach behind the back teeth. It comes in five head types. The 3-row head has a slim shape for brushing one tooth at a time; the 4-row head has a tapered shape for deep areas. The bristles are called 弾力フィット毛, springy bristles that fit into gaps. The slim six-sided handle is made for holding like a pen. There is no firm version.
| Japanese name | クリニカアドバンテージ ハブラシ |
|---|---|
| Maker | ライオン, Lion |
| Head sizes | 3列超コンパクト, 3列コンパクト, 4列超コンパクト, 4列コンパクト, 4列レギュラー |
| Bristles, maker | 弾力フィット毛, springy bristles |
| Hardness | ふつう, やわらかめ |
| Pack | 1 brush |
| Price | ¥218 for 4列超コンパクト at Yodobashi.com, 11 Nov 2026. Some other types cost up to ¥274 |
2. ライオン システマハブラシ A41 (Lion Systema)
Systema is Lion’s brand for the gum line. Lion says its 超極細毛, super-fine bristles, go into the gap between tooth and gum without force, to remove plaque there. The A41 is the extra compact, 4-row, medium version. Other codes give other sizes: A31 compact, A21 regular, B31 a slim 3-row head. The しっかり毛腰タイプ, D-series, has stiffer bristles, in medium plus firm. The code is printed under the handle.
| Japanese name | システマハブラシ A41 超コンパクト 4列ヘッド ふつう |
|---|---|
| Maker | ライオン, Lion |
| Head sizes | 超コンパクト, コンパクト, レギュラー; 4列, 3列スリム |
| Bristles, maker | 超極細毛, super-fine bristles |
| Hardness | ふつう, やわらかめ; D-series ふつう, かため |
| Pack | 1 brush |
| Price | ¥216 at Yodobashi.com, 11 Nov 2026 |
3. サンスター ガム・プラス デンタルブラシ #366 (Sunstar GUM Plus)
GUM is Sunstar’s gum-care brand. The GUM Plus series is aimed at the line where teeth meet gums. Sunstar suggests it for people who notice changes in their gums, or find food often stuck between teeth. The bristles are springy, 弾力毛, with extra-fine tips, 極細. The neck is long to reach the back teeth, and the straight handle is made for a pencil grip, エンピツ持ち.
| Japanese name | ガム・プラス デンタルブラシ #366 4列超コンパクト |
|---|---|
| Maker | サンスター, Sunstar |
| Head sizes | #066 3列超コンパクト, #226 3列コンパクト, #366 4列超コンパクト, #466 4列コンパクト |
| Bristles, maker | 弾力毛 with 極細 tips |
| Hardness | ふつう, やわらかめ |
| Pack | 1 brush |
| Price | ¥276 at Yodobashi.com, 11 Nov 2026 |
4. エビス プレミアムケアハブラシ 6列コンパクト B-3600M (EBISU Premium Care)
EBISU is a Japanese toothbrush maker known for wide heads with many rows. This one has 6 rows, 54 tufts. The product page says it mixes 超先細毛, very tapered bristles with 0.01 mm tips for the gum line, with flat bristles for the tooth surface. The outer bristles are softer, to be gentle on the gums. The head is about 25% thinner than the maker’s older model. Made in Japan. The maker asks you to brush gently, then change the brush when the bristles spread out.
| Japanese name | プレミアムケアハブラシ・6列コンパクト B-3600M |
|---|---|
| Maker | エビス, EBISU |
| Head size | 6列コンパクト, wide; 6列レギュラー, 7列レギュラー also sold |
| Bristles | 超先細毛 plus フラット毛 |
| Hardness | ふつう M, やわらかめ S, 特にやわらかめ SS |
| Pack | 1 brush |
| Heat limit | 80°C |
| Price | ¥394 at Yodobashi.com, 11 Nov 2026 |
5. 夢職人 MISOKA (Yumeshokunin Misoka)
MISOKA is a Japanese toothbrush that is often sold as a gift. The maker, 夢職人, Yumeshokunin, calls it 「水だけで磨ける歯ブラシ」, a toothbrush you can use with just water. Each bristle tip has a coating of nano-size minerals. The product page says to dip the brush in a cup of water before brushing. These are the maker’s own claims; we did not test them.
| Japanese name | MISOKA |
|---|---|
| Maker | 夢職人, Yumeshokunin |
| Head size | Not stated |
| Bristles | Nylon, 0.178 mm, mineral-coated tips |
| Hardness | ふつう. Other options not confirmed |
| Pack | 1 brush |
| Price | ¥1,320 at Yodobashi.com, 11 Nov 2026 |
Two more brands you will see: Kao’s ピュオーラ ハブラシ, Pure Oral, costs about ¥225 at Yodobashi.com, but we could not reach Kao’s page to check details. Lion also sells DENT.EX brushes, a line for dental clinics, and some are sold in shops, for example DENT.EX システマ genki at ¥440.
2 interdental brushes, all 7 compared
A toothbrush does not reach well into the gaps between teeth. For these gaps Japanese shops sell 歯間ブラシ, small brushes on a wire or rubber stick, plus デンタルフロス, floss. Edogawa City in Tokyo says on its health page that interdental brushes come in sizes, so you should ask a dentist or dental hygienist which thickness and method suit you: 「自分にあった太さと使い方を歯科医師・歯科衛生士にご相談下さい。」
Interdental brush sizes
Sizes use letters. Sunstar’s GUM packs also add a number:
| Size on pack | GUM number | Meaning |
|---|---|---|
| SSSS | 0 | Thinnest. For very narrow gaps |
| SSS | 1 | Very thin |
| SS | 2 | Thin |
| S | 3 | Small |
| M | 4 | Medium |
| L | 5 | Large, for wider gaps |
※ GUM L字型 sizes. Sunstar says its sizes follow a voluntary industry standard, 日本歯ブラシ工業組合, while SSSS is its own standard. Exact gap sizes in mm were not confirmed.
Sunstar’s advice: choose the size that moves without resistance, 無理なく動かせるサイズ. If even SSSS will not go in, use dental floss instead.
6. 小林製薬 やわらか歯間ブラシ 極細タイプ SSS-S (Kobayashi soft interdental brush)
Kobayashi Pharmaceutical sells this under its 糸ようじ, Ito-yōji, floss brand. It is a rubber type, ゴムタイプ, with no metal wire. The maker says the thin tip goes into narrow gaps, and the rubber is gentle on gums. This 極細タイプ, extra-thin type, is meant for people who use SSS, SS, S wire brushes. Other packs: SSSS-SS, SS-M, M-LL.
| Japanese name | やわらか歯間ブラシ 極細タイプ SSS-Sサイズ |
|---|---|
| Maker | 小林製薬, Kobayashi |
| Type | Rubber, no wire, straight |
| Size range | SSS–S. Other packs SSSS–SS, SS–M, M–LL |
| Pack | 20 pieces; 40-piece pack also sold |
| Price | ¥314 for 20 at Yodobashi.com, 11 Nov 2026 |
7. サンスター ガム・歯間ブラシ L字型 (Sunstar GUM interdental brush, L-shape)
A wire interdental brush with an L-shaped handle to reach the back teeth. Sunstar says it uses triangular bristles, 三角毛, to scrape plaque, with antibacterial wire. You can wash it, use it again. Each size is sold in its own pack, from SSSS, size 0, to L, size 5.
| Japanese name | ガム・歯間ブラシ L字型 |
|---|---|
| Maker | サンスター, Sunstar |
| Type | Wire, L-shaped handle |
| Size range | SSSS 0, SSS 1, SS 2, S 3, M 4, L 5 |
| Pack | 10 pieces |
| Price | ¥429–443 for 10 at Yodobashi.com, 11 Nov 2026 |
Prefer floss? Kobayashi’s 糸ようじ フロス&ピック, floss on a plastic holder, costs ¥638 for 60 at Yodobashi.com.
All 7 at a glance
| Product | Head, type | Bristles | Hardness, sizes | Pack | Price, 11 Nov 2026 |
|---|---|---|---|---|---|
| Clinica Advantage | 3列, 4列; 超コンパクト to レギュラー | 弾力フィット毛 | ふつう, やわらかめ | 1 | ¥218 |
| Systema A41 | 4列超コンパクト | 超極細毛 | ふつう; range has やわらかめ, かため | 1 | ¥216 |
| GUM Plus #366 | 4列超コンパクト | 極細 tips | ふつう, やわらかめ | 1 | ¥276 |
| EBISU B-3600M | 6列コンパクト | 超先細毛, フラット毛 | ふつう; range has soft, extra soft | 1 | ¥394 |
| MISOKA | Not stated | Mineral-coated nylon | ふつう | 1 | ¥1,320 |
| Kobayashi やわらか歯間ブラシ | Rubber interdental | Rubber | SSS–S | 20 | ¥314 |
| GUM 歯間ブラシ L字型 | Wire interdental, L-shape | Triangular bristles | SSSS–L | 10 | ¥429–443 |
※ Prices at Yodobashi.com including tax. Drugstore prices differ. Features as stated by the makers.
Buying at drugstores, tax-free
Where to find them
Toothbrushes are in the oral care aisle, オーラルケア. Interdental brushes, floss usually hang next to them. One brand’s brushes hang side by side in different sizes, so read the small label on each pack. For tips on finding things in Japanese drugstores, see our drugstore shopping guide.
Can I buy toothbrushes tax-free?
Since 1 November 2026, Japan uses a refund method. According to the Japan Tourism Agency, 観光庁, you pay the full price with tax, and the tax comes back after customs confirms the goods when you leave Japan. You need to spend at least ¥5,000 before tax in one shop on one day. At departure you use a tax-free terminal with your passport, within 90 days of buying. You must have all the goods with you, so do not put them in checked baggage first. If one item on a receipt is missing, nothing on that receipt is refunded.
The agency says consumable goods such as food, drinks, cosmetics that are used in Japan cannot be refunded. Toothbrushes are not named on that page, so keep tax-free brushes unopened. Brushes cost ¥200 to ¥400, so you would need other goods from the same shop to reach ¥5,000. Read more in our Japan tax-free shopping guide.
⚠️ Good to know
- If your gums bleed or hurt, see a dentist. A new brush is not a treatment
- Do not push an interdental brush into a gap where it does not fit. Try a smaller size, or floss
- Brushing harder is not better. EBISU asks you to brush gently; the Tokyo leaflet says bristles that spread out in 1 to 2 weeks may mean too much force
Frequently asked questions
Why are Japanese toothbrush heads so small?
Makers sell several head sizes. Lion says a brush that is too big or too small cleans less well, and makers say compact, thin heads reach the back teeth more easily.
Should I choose soft or medium?
Makers offer やわらかめ, soft, ふつう, medium, with some in かため, firm. The makers on this page do not say which is right for you. If your gums bleed or hurt, see a dentist and ask.
How often should I change my toothbrush?
Lion suggests about once a month. A Tokyo Metropolitan Government leaflet says to change it when the bristles spread out, even before one month.
Which interdental brush size should I buy?
Start with a small size, such as SSS or SS. Sunstar says to choose a size that moves without resistance, and Edogawa City says to ask a dentist or hygienist which size suits you.
Can I buy toothbrushes tax-free?
Only if you spend at least ¥5,000 before tax in one shop on one day under the refund method. Keep the items unused, carry them with you when you leave.
Is MISOKA really used with only water?
Its maker calls it a toothbrush you can use with just water, thanks to a mineral coating on the bristles. That is the maker’s claim; we did not test it.
The short version
Japanese toothbrushes come in many head sizes, hardness levels. Read three words on the pack: the head size, such as 超コンパクト, the bristles, such as 極細毛, plus the hardness, やわらかめ / ふつう. For a small head, try Lion’s クリニカアドバンテージ, Lion’s システマ or Sunstar’s GUM Plus #366, all about ¥220 to ¥280. For a wide head, there is EBISU’s 6-row プレミアムケア. For a gift, there is MISOKA. For gaps between teeth, add a 歯間ブラシ: rubber from Kobayashi, wire from GUM, starting with a small size. Change your brush about once a month, sooner if the bristles spread out, and see a dentist if your gums bleed. For toothpaste, see our toothpaste guide.
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