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📊 | Life, switching plastic straws and spoons to paper and wood, from April

Photograph When switching is completed at all stores, it will lead to a reduction of about 1700 million plastic straws and spoons annually.

Life, plastic straws and spoons switched to paper and wooden, from April

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The target is 12 items such as spoons and straws distributed by retail stores, hairbrushes and toothbrushes distributed by hotels, and hangers at laundry stores.

Life Corporation, a major food supermarket, has been distributing straws and spoons at stores from paper and wood since April. → Continue reading

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hairbrush(Hairbrush)hairOr arrangeHair stylingUsed forTools.

Form / use

The material hair is an animal (Dream Pork,boarEtc.)hair,Nylon,stainlessHair made of such as is used,Handle partFor the material ofebony,Rosewood,Karin,Beech,ABS resin,PolyacetalEtc. are used.

A flat underside hairbrush is used to heal tangled hair. The hairbrush with a round baseHair DryerIt is also used for styling and curling hair.paddleShaped brushes are used to straighten and straighten hair. The thing that sandwiches two brushes, calledHair ironUsed to make straight hair in preparation for. In the brush for set blow, how to apply to the hair depending on the material, number and arrangement of the pin partHairdryerIt is necessary to examine it depending on the application because the way the wind escapes and the effect of heat will change. It is also effective for removing hair that has fallen out and improving blood circulation in the scalp.

PetIt is also used for brushing hair. Brushing your pet's hair is one of the expressions of affection,CatIt has a healing effect such as ringing the throat.dogAnd cats have their own brushes. Also,(I.e.Horse for hard haircombA brush called is used.

Comparison with comb

Also as a tool for combing haircombHowever, because the comb is plate-shaped, the teeth are lined up in a row, whereas in the brush, the pins corresponding to the teeth are made of hair, etc., and there are multiple rows, and the arrangement differs depending on the purpose of use. There is a difference.

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Toothbrush(Is a brush,British: toothbrush) IstoothSmall used to polishbrushIs[1]..A small brush used for brushing teeth.Natural teeth ordentureUsed to polish."Tooth brush" when writing in kanji[1][2].Oral hygieneOne of the tools used for care.

Since the toothbrush alone reaches only 50% of the tooth surface, it is necessary to remove plaque from other parts separately.Dental Floss,Interdental brushSuch asIntertooth cleaning suppliesIs necessary in oral care[3].

Shape and type

General products are bundled in dozens on one side of the tip of the handle.fiberHave been planted, and due to the frictionPlaqueRemove dirt such as.The toothbrush consists of three parts from the tip to the flocked part, neck, and handle, and the upper part of the flocked part is called the toe and the lower part is called the heel.[4].. The fiber bundles are arranged in rows, and in addition to general 3-row flocking, there are 6-row flocking, 5-row flocking, 4-row flocking, 2-row flocking, and 1-row flocking. There are round-cut hair and superfine hair in the shape of the tips.[5].. Hair cutting includes flat cutting and mountain cutting.

360 degree toothbrushThere is also a tip with a special shape like. Also, when you switch onmotorWorks byelectric toothbrushThere is also (electric toothbrush)[6].. Also, there is no handleFinger sackThere is also a type product[6].tooth pasteWhen using a toothbrush, it will be attached to the tip of the toothbrush and brushed, but there is also a disposable toothbrush such as a "toothbrush with powder" to which powdered toothpaste is attached from the beginning.

Process fiber or make the tip of hair 0.02 mmmachiningTo clean the dirt between the teeth and the back teeth,gumMulti-functions such as those that stimulate things are being made. Also, products for "dentist's office" are manufactured.

If you use it for a long time, the fiber will bend and the tips of the hair will open, reducing the effect of brushing teeth, so it is time to replace. When it cannot be used for brushing teeth, it may be used for cleaning tiles in bathrooms, small drains, and other areas around us. There are toothbrushes for pets, and for dogs there are large dogs and small dogs.


Made from tree branches, at least in Babylonia in 3500 BCTeeth-cleaningWas using[7]..However, customs became widespread in India and Greece, and trees suitable for each land were used.Tooth tree in ChinaYangyanagiIt became a toothpick because it used the branch of.this istoothpickInstead, it was called a toothpick, and a thin tree branch was used by chewing one end like a brush.For Buddhist texts such as IndiaBuddhaThere is a story that when he threw it to the ground using a tooth tree, it quickly took root and became a big tree, and there was a description that he made his disciples use the tooth tree, and it seems that the tooth tree was already used at that time.Until the generalization of toothbrushes in Japan, toothpicks were commonly used for toothpaste.

American Dental Associationaccording to,1498/ToChugoku Ofemperor Pig hairIt is said that the first toothbrush was the one that was planted in the handle of the bone and used for toothpaste.But in 1223宋Of a Zen monk who studied abroad inDogenThe locals said, "Kuchisu Rinmogagara made a horsetail cut into pieces with a sword of beef horns for about three minutes. The Japanese horses use this to roughen their teeth and describe the custom.[Annotation 1], The actual history seems to be even older.

From around the 17th centuryEuropeHowever, it was used, but it was not common until mass production in the 19th century.

1872/"Whale toothpick" with horse hair planted on the beard of a whale is manufactured and sold in Osaka[8],1890/Osaka Sangyo Co., Ltd. will be exhibiting at the XNUMXrd National Business Exposition under the name "Habrushi".[8]. 1903/(3rd year of the Taisho era) Tomijiro Kobayashi store (currentLion) Released "Mansei Toothbrush". 1917/Toothbrush companies were concentrated inOsaka でcelluloidProduction of toothbrushes made of[9]. Also,1938/May 2ToDuPontCompanyNylonMade a toothbrush for the first time.

Supply and demand


According to information on the 60 Second Marketer website, about 35 billion toothbrushes are sold worldwide each year.[10].

In the world as of 2018MarketThe size of the non-electric toothbrush market is about 44 billion USDollarIs[11].

The world's leading toothbrush manufacturersP & G,Colgate, Curaprox[1],Unilever, Boie USA,Sensodyne(GSK. In Japan, "Sensodyne"Brand), Dr. Collins,Sunstar, Nimbus, Dr. Fresh,Lionな ど[11].


About 4 million trees/year are produced in Japan[12]..In the 20's, Osaka Prefecture accounted for more than 90% of the national shipment value.However, as of 2009, the share of the shipment value in Osaka Prefecture dropped to 15.8% due to the relocation of factories of leading manufacturers.[12]. AlsoKintetsu Yao StationIn front of you, there is a toothbrush-type monument that states "the highest production in Japan".

Household goods quality labeling methodIt is a target item of[13]..Pattern material (polypropylene, saturated polyester resin, etc.), hair material (artificial hair (nylon, etc.), natural hair (white horse hair, pig hair, horse, etc.)), hair hardness (hard, normal, soft), Heat resistant temperature (60 degrees, 80 degrees, etc.) and display name are displayed.[14]. AlsoJapanese Industrial Standard (JIS S 3016[15]) Has provisions.

Toothbrush trauma

An infantMay fall or collide with chopsticks or sticks in your mouthOral cavity内 のSoft tissueMay be injured, but toothbrush is the leading cause, and it is reported to be more than 30%[16][17].. Symptoms are often minor due to the shape of the toothbrush, but there are many reports of cases with severe or high risk of becoming severe.[18][19] Have pointed out the need for parental awareness and monitoring[17].


[How to use footnotes]

注 釈

  1. ^ Shobogenzo No. XNUMX "wash". Dogen did not convey this custom to Japan. He decided that the toothbrush was "a tool for removing dust from shoes, not a tool for brushing teeth." However, he warns that the use of toothpicks is correct. At present, Eiheiji uses a toothbrush.


  1. ^ a b Kojien XNUMXth Edition
  2. ^ https://thesaurus.weblio.jp/content/歯刷子
  3. ^ “Current concepts in toothbrushing and interdental cleaning”. Periodontology 2000 48: 10–22. (2008). two:10.1111 / j.1600-0757.2008.00273.x. PMID 18715352. 
  4. ^ "Oral care basics/Basic knowledge of teeth and oral cavity/Toothbrush”. Lion Dental Hygiene Institute. 2012/8/16Browse.
  5. ^ "Oral care basics/Basic knowledge of teeth and oral cavity/Toothbrush”. Lion Dental Hygiene Institute. 2012/8/16Browse.
  6. ^ a b Design classification definition card (C3) Patent Office
  7. ^ Yu, Hai-Yang; Qian, Lin-Mao; Zheng, Jing (2013). Dental Biotribology. Springer. Pp. 18–19. ISBN +978-1-4614-4550-0. https://books.google.com/books?id=tsSqVeaHUv0C&pg=PA19 
  8. ^ a b "Toothbrush history”. All Japan Brush Industry Cooperative. 2018/4/4Browse.
  9. ^ Koshi Shimokawa "Environmental History Chronology Meiji / Taisho Edition (1868-1926)" p322 Kawade Shobo Shinsha November 2003, 11 National bibliographic number:20522067
  10. ^ Reference
  11. ^ a b Manual Toothbrush Market Size, Share & Trends Analysis Report
  12. ^ a b "Toothbrush manufacturing". Osaka. 2014/1/22Browse.
  13. ^ Household Goods Quality Labeling Law Enforcement Order
  14. ^ "Toothbrush". Household Goods Quality Labeling Guide for product quality labeling. Consumer Affairs Agency. 2014/1/22Browse.
  15. ^ JIS S 3016(Japanese Industrial Standards Committee,Ministry of Economy, Trade and Industry)
  16. ^ ,,,,,,,, "Clinical observation of trauma caused by puncture of oral soft tissue in children"Pediatric Oral Surgery" Vol. 19, No. 2,Japanese Society of Pediatric Oral Surgery, 2009, pp. 116-121, two:10.11265 / poms.19.116, ISSN 1884-6661, NOT 130003381602.
  17. ^ a b ,,,, "Clinico-statistical observation of oral soft tissue injury in infants by toothbrush"Journal of the Japanese Society of Oral Surgery, Vol. 51, No. 12,Japanese Society of Oral Surgery, June 2005, 12, pp. 20-630, two:10.5794 / jjoms.51.630, ISSN 0021-5163, NOT 10018954177.
  18. ^ ,,,, "A Case of Temporal Fossa Abscess Propagated by Toothbrush Insertion of Buccal Mucosa"Pediatric Oral Surgery" Vol. 3, No. 1,Japanese Society of Pediatric Oral Surgery, 1993, pp. 41-44, two:10.11265 / poms1991.3.41, ISSN 1884-6661, NOT 10012158198.
  19. ^ ,,,,, "A Case of Oral Penetration Injury in an Infant Whose Toothbrush Reached the Lateral Pharyngeal Space"Journal of the Japanese Society of Oral Surgery, Vol. 55, No. 5,Japanese Society of Oral Surgery, June 2009, 5, pp. 20-231, two:10.5794 / jjoms.55.231, ISSN 0021-5163, NOT 10027090348.

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