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Calpis

A Japanese fermented milk beverage brand recognized for its light, sweet-tart flavor and distinctive polka-dot packaging.

Last updated October 14, 2026

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Overview

Calpis is a Japanese fermented milk beverage brand created by Kaiun Mishima and introduced commercially on July 7, 1919. The drink has a light, mildly acidic and somewhat milky taste that is commonly compared with plain or vanilla-flavored yogurt. Its core formulation uses water, dry milk and lactic acid, with fermentation by lactic acid bacteria providing the characteristic flavor. The brand is sold both as a concentrated syrup that consumers dilute before drinking and in ready-to-drink formats, most notably Calpis Water and the carbonated Calpis Soda. It is also used as a flavoring for kakigori, cocktails and chuhai-style alcoholic drinks. The product concept arose from Mishima's experience in Mongolia in 1902, where he encountered airag, a cultured milk product traditionally made through fermentation. After observing that the drink helped restore his digestion, he became interested in developing a commercially practical Japanese cultured-milk beverage. Several early experiments preceded Calpis. Daigomi, introduced in 1916, used cream cultured with lactic acid bacteria but was difficult to manufacture at scale because of limited cream yields and the creation of excess skimmed milk. Daigoso attempted to use cultured skimmed milk, but sales were weak. Lacto Caramel, another experiment containing live lactic acid bacteria, was abandoned because it melted in warm weather. Calpis emerged when Mishima added sugar to Daigoso and left the mixture overnight. Dilution with water made the drink economical and helped it gain broad acceptance. The brand was initially positioned as a special beverage associated with gifts and occasions rather than an everyday refreshment. By about 1965, however, it had become a normal household drink in Japan. Product diversification followed: orange flavor appeared in 1958, while pineapple and grape variants followed in 1960. Calpis Soda was introduced in 1974, extending the brand into carbonated soft drinks. A major convenience-oriented development arrived with Calpis Water in 1991; the ready-to-drink product reportedly sold 20.5 million cases during its first year, according to the cited Wikipedia reference. Calpis has also been defined by visual and linguistic choices. Its name combines references to calcium and the Sanskrit term sarpis, associated with a highly valued flavor in Buddhist tradition. The familiar polka-dot design represents the Milky Way and connects the packaging to Japan's Tanabata festival. The dots were originally white on blue; the color arrangement was inverted in 1953. In North America, the beverage is generally marketed as Calpico because the Japanese name can sound like an English slang term. The brand's historical advertising also included a 1923 logo that later became controversial because it depicted a stereotyped Black figure. After criticism, the logo was altered and ultimately removed in January 1990. Today, Calpis remains an active Asahi Group brand with a portfolio spanning concentrated beverages, chilled or shelf-stable ready-to-drink products, carbonated variants and flavored extensions. Its enduring positioning combines fermentation heritage, a distinctive sweet-sour taste and flexible preparation, while its distribution and naming differ by market.

History

Calpis developed from Kaiun Mishima's interest in cultured milk. During a 1902 journey in Mongolia, Mishima encountered airag, a traditional fermented milk beverage. He associated the drink's lactic-acid fermentation with an improvement in his digestion and subsequently sought to create a commercially viable Japanese product based on a similar principle. Mishima's first commercial experiment was Daigomi, released in 1916. It was made by culturing cream with lactic acid bacteria, but production was constrained by the small amount of cream obtainable from milk. The process also generated skimmed milk as a problematic by-product. Mishima then developed Daigoso using cultured skimmed milk, but poor consumer response led to its discontinuation. A further attempt, Lacto Caramel, incorporated live lactic acid bacteria into a confectionery product. It was abandoned because the product melted during summer conditions. The breakthrough came when Mishima added sugar to Daigoso and allowed the mixture to stand overnight. This accidental development became the basis for Calpis. The beverage was released on July 7, 1919, at a price of ¥1.60 per bottle. Because it was sold as a concentrate, customers could dilute it with water, making it economical and helping it spread beyond an occasional novelty. The brand initially carried the image of a special drink suitable for gifts and celebrations. Around 1965, it began to be regarded more commonly as an everyday household beverage. Calpis's name was developed through a combination of linguistic, scientific and religious references. Mishima first considered “Calpir,” combining “cal” from calcium with “pir” associated with sarpir-maṇḍa, a Sanskrit term connected with an especially valued flavor in Buddhist tradition. After discussions with musician Kōsaku Yamada and Buddhist priest Kaigyoku Watanabe, he selected “pis,” derived from sarpiṣ. The resulting name became Calpis in English transliteration and Karupisu in Japanese. The brand expanded through flavor and format innovation. Orange Calpis was introduced in 1958, followed by pineapple and grape versions in 1960. Calpis Soda, a carbonated interpretation, arrived in 1974. The company also introduced Calpis Water, a pre-diluted ready-to-drink format, in 1991. The ready-to-drink product reduced the preparation required from consumers and became a significant extension of the brand; the cited reference reports first-year sales of 20.5 million cases. Calpis has also been used in shaved-ice preparations and as a mixer for cocktails and chuhai. Packaging has played an important role in the brand's identity. The polka-dot design was originally white dots on a blue background, with the colors reversed in 1953. The pattern was intended to evoke the Milky Way and the Tanabata festival. In 1919, Calpis collaborated with Japan's Ministry of Foreign Affairs on an international poster exhibition intended to support European painters affected by postwar inflation. A German artist, Otto Dünkelsbühler, won third place, and a logo based on his design was adopted in 1923. That logo later became controversial because it showed a Black figure in a stereotyped manner, including exaggerated lips and a Panama hat. Criticism led first to a reversal of the figure's colors and later to the logo's complete removal in January 1990. The complaint was initially associated with Futoshi Arita, who was twelve years old and a member of an organization opposing anti-Black racism. In North America, the product is generally called Calpico rather than Calpis to avoid an unfavorable association with an English slang term. Calpis is now an active brand within the Asahi Group. Its portfolio continues to cover concentrated fermented milk beverages, ready-to-drink products, carbonated drinks and flavor variants, while the brand's central identity remains its lightly milky, sweet-tart and fermented taste.

  • 1991

    Calpis Water launches

    [1]

    The brand introduces a pre-diluted ready-to-drink version, Calpis Water.

  • 1990

    Controversial historical logo is removed

    [1]

    The older logo depicting a stereotyped Black figure is discontinued after criticism.

  • 1974

    Calpis Soda launches

    [1]

    The brand adds a carbonated format known as Calpis Soda.

  • 1960

    Pineapple and grape variants follow

    [1]

    Pineapple- and grape-flavored versions expand the brand's product range.

  • 1958

    Orange Calpis launches

    [1]

    The first cited flavored extension, orange Calpis, is introduced.

  • 1953

    Polka-dot colors are inverted

    [1]

    The brand's packaging changes from white dots on blue to blue dots on white, retaining the Milky Way-inspired motif.

  • 1923

    A new Calpis logo is adopted

    [1]

    The company begins using a logo based on a design by German painter Otto Dünkelsbühler.

  • 1919

    Calpis is commercially released

    [1]

    Calpis launches on July 7 as a concentrated fermented milk beverage intended to be diluted with water.

  • 1916

    Daigomi is launched

    [1]

    Mishima introduces Daigomi, an early cultured-cream product that is later discontinued because of production limitations.

  • 1902

    Mishima encounters airag in Mongolia

    [1]

    Kaiun Mishima encounters a traditional cultured milk beverage in Mongolia and becomes interested in lactic-acid fermentation.

Products and positioning

A heritage Japanese beverage brand positioned around lactic-acid fermentation, a refreshing sweet-tart taste, cultural familiarity and flexible consumption as either a diluted concentrate or a ready-to-drink product.

  • Concentrated fermented milk beverage · 1919

    Calpis Water

    The original Calpis product is a concentrated, lactic-acid-fermented milk beverage made with water, dry milk and lactic acid. Consumers traditionally dilute it with water before drinking, although it can also be mixed with milk. Its light, milky and slightly acidic flavor is central to the brand and has also made the concentrate useful in shaved ice and mixed drinks. Calpis Water is the pre-diluted, ready-to-drink expression of the brand. It preserves the original beverage's pale appearance and sweet-tart fermented profile while removing the preparation step associated with the concentrate. Its introduction helped extend Calpis from a pantry-style syrup into a convenient packaged beverage.

  • Carbonated soft drink · 1974

    Calpis Soda

    Calpis Soda is the carbonated version of the brand's fermented milk beverage. It combines the recognizable Calpis flavor with carbonation, allowing the brand to compete in a broader soft-drink occasion and offering a more sparkling alternative to both the concentrate and Calpis Water.

  • International market name

    Calpico

    Calpico is the name generally used for Calpis products in North America. The alternate name was adopted to avoid an unfavorable association between the Japanese brand name and an English slang term, while the Japanese Calpis name remains visible on some packaging.

Controversies

  • 1990

    Removal of a racist historical logo

    A Calpis logo introduced in 1923 depicted a stereotyped Black figure. The image was criticized as offensive; after an earlier alteration reversing the figure's colors, the company removed the logo completely in January 1990.

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Marketing campaigns

  • 1919International poster exhibition

    Japan · Europe

    Calpis held an international poster exhibition in cooperation with Japan's Ministry of Foreign Affairs. The event was intended to support European painters facing economic hardship associated with post-World War I inflation. Otto Dünkelsbühler won third place, and a logo based on his design was later adopted by Calpis.

    Outcome. Otto Dünkelsbühler won third place, and a logo based on his design was later adopted by Calpis.

Brand decisions

  • 1991

    Launch Calpis WaterProduct launch

    Background

    The original concentrate required consumers to dilute the drink before consumption, creating an opportunity for a convenience-oriented format.

    Action taken

    The company introduced Calpis Water as a pre-diluted ready-to-drink product.

    Aftermath

    The cited reference reports sales of 20.5 million cases in the product's first year.

    Cases sold. 20.5 million cases (First year after the 1991 launch)

  • 1990

    Retire the controversial historical logoStrategy

    Background

    The logo's depiction of a Black figure was increasingly regarded as racist and offensive.

    Action taken

    After an earlier color reversal, the company removed the logo from use in January 1990.

    Aftermath

    Calpis continued with alternative visual branding, including its polka-dot packaging identity.

  • 1974

    Enter carbonated soft drinks with Calpis SodaProduct launch

    Background

    The brand sought to extend its fermented milk beverage identity into a sparkling soft-drink format.

    Action taken

    Calpis Soda was introduced as a carbonated version of the beverage.

    Aftermath

    The launch broadened the brand's format portfolio beyond concentrate and diluted still beverages.

  • 1973

    Price increase causes a sales declinePrice change

    Background

    The cited reference states that Calpis sales fell sharply after the product's price was raised.

    Action taken

    The company increased the product price; no further details about the pricing decision are provided in the source.

    Aftermath

    Sales reportedly declined during the first year after the increase.

  • 1919

    Launch Calpis as a dilute-at-home concentrateProduct launch

    Background

    Earlier cultured-milk experiments had encountered manufacturing, sales and storage problems. A sweetened version of Daigoso offered a more practical formulation.

    Action taken

    The company released Calpis as a concentrated beverage that consumers could mix with water.

    Aftermath

    The economical preparation method helped the product gain popularity and eventually become an everyday household beverage.

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