Vanish
Vanish is a toilet-cleaner brand introduced in the United States in 1937 and now marketed by S. C. Johnson as part of the Scrubbing Bubbles portfolio.
Last updated August 31, 2026
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Overview
Vanish is an American toilet-cleaner brand whose history began in 1937, when inventor Judson Dunaway of Dover, New Hampshire, introduced it as a competitor to Sani-Flush. The original product belonged to the crystal toilet-bowl-cleaner category. These cleaners commonly used sodium bisulfate, also called sodium hydrogen sulfate, together with surfactants. Unlike the alkaline chemistry used by many household cleaning products, sodium-bisulfate crystal cleaners were acidic formulations intended to remove deposits from toilet bowls. The brand's early history was closely connected to a trademark and unfair-competition dispute with Hygienic Products, the maker of Sani-Flush. The dispute reflected the visual and commercial similarity between the products. Sani-Flush was sold in a yellow 22-ounce can featuring a woman pouring cleaner into a toilet. Early Vanish packaging used a white 22-ounce container and a design showing cleaning powder emerging from the bottom of the letter “I.” After the Second World War, Vanish advertising adopted imagery of a woman, and later a clearly female hand, pouring the product into a toilet bowl. Hygienic Products sued Dunaway in 1947, but Dunaway ultimately prevailed on appeal. Dunaway later sold the product to The Drackett Company. S. C. Johnson obtained the Vanish brand in 1992 through its acquisition of Drackett. Under S. C. Johnson, the name expanded beyond the original loose crystal format. In 2000, the company introduced an in-tank Vanish toilet cleaner designed to compete with automatic toilet-cleaning products such as 2000 Flushes and Clorox Automatic. In-tank products raised durability concerns because some formulations could damage toilet flappers, potentially permitting water to leak into the bowl. Requirements addressing flapper durability and product marking were added to the ASME A112.19.5 standard in 2005. The traditional sodium-bisulfate crystal toilet-cleaner format was withdrawn from the marketplace around 2009. Vanish nevertheless remained in use as a brand identifier for other toilet-cleaning formats and chemistries from the same manufacturer. S. C. Johnson also marketed a thick-liquid disinfectant bowl cleaner under the Vanish name for industrial and institutional use; that product was described as containing 9.25% hydrochloric acid by weight. In its current North American presentation, Vanish has been incorporated into the Scrubbing Bubbles brand architecture. The consumer product is sold as Scrubbing Bubbles Vanish Continuous Clean Drop-Ins, making Vanish a sub-brand within S. C. Johnson’s broader bathroom-cleaning portfolio rather than a standalone master brand. The brand’s known scope is therefore concentrated on toilet-bowl cleaning, including continuous-cleaning drop-ins and historically crystal, in-tank, and thick-liquid disinfectant formats.
History
Vanish was introduced in 1937 by Judson Dunaway, an inventor based in Dover, New Hampshire. It entered the toilet-bowl-cleaner market as a competitor to Sani-Flush, a product that had been available since 1911. The early Vanish and Sani-Flush products belonged to the same broad category of crystal bowl cleaners. Their active ingredient was sodium bisulfate, or sodium hydrogen sulfate, supported by surfactants. This acidic chemistry contrasted with the alkaline character of many other household cleaners. The brand’s early commercial identity became the subject of litigation. Sani-Flush was sold in a yellow 22-ounce can decorated with an image of a woman pouring bowl cleaner into a toilet. Vanish initially used a white 22-ounce package, with powder depicted as coming from the bottom of the letter “I” in the brand name. After the Second World War, Vanish advertising also showed a woman pouring product into a toilet bowl and later used an image of a female hand dispensing powder. Hygienic Products, the Sani-Flush manufacturer, sued Dunaway in 1947 for trademark infringement and unfair competition. Dunaway won on appeal. The Drackett Company subsequently purchased Vanish from Dunaway. In 1992, S. C. Johnson acquired Drackett and thereby obtained the Vanish brand. The acquisition brought Vanish into the S. C. Johnson household-cleaning portfolio. The company later used the name for more than the original crystal product. In 2000, it launched an in-tank toilet cleaner intended to compete with automatic toilet products such as 2000 Flushes and Clorox Automatic. In-tank toilet cleaners created a product-safety and durability concern involving toilet flappers. Certain formulations could damage the flapper, the valve that controls water flow from the tank into the bowl, potentially allowing water to leak continuously. Durability and marking requirements for flappers were added to the ASME A112.19.5 standard in 2005. The available reference material does not establish that Vanish alone caused the standard change; it identifies the requirements as a response to problems associated with in-tank cleansers generally. Around 2009, sodium-bisulfate crystal toilet-bowl cleaners were withdrawn from the marketplace. The Vanish name continued to be used for toilet cleaners in different formats and with different chemistries. One such product was Vanish Thick Liquid Disinfectant Bowl Cleaner, marketed for industrial and institutional use and described as containing 9.25% hydrochloric acid by weight. The brand later became integrated into S. C. Johnson’s Scrubbing Bubbles architecture. In North America, the consumer-facing product is identified as Scrubbing Bubbles Vanish Continuous Clean Drop-Ins. This naming reduces Vanish’s role from a standalone toilet-cleaner brand to a sub-brand associated with Scrubbing Bubbles, while preserving the historic name for continuous or automatic toilet-care products. The documented brand history therefore spans crystal cleaners, in-tank systems, institutional liquid disinfectant products, and contemporary toilet drop-ins.
- 2009
Crystal cleaner format is withdrawn
[1]Sodium-bisulfate toilet-bowl crystals were withdrawn from the marketplace around this period, while Vanish continued in other product formats.
- 2005
Flapper durability requirements are added
[1]ASME A112.19.5 incorporated durability and marking requirements for toilet flappers in the context of in-tank cleanser concerns.
- 2000
In-tank product launches
[1]Vanish expanded into in-tank automatic toilet cleaning, targeting the same use case as 2000 Flushes and Clorox Automatic.
- 1992
S. C. Johnson acquires the brand through Drackett
[1]S. C. Johnson obtained Vanish when it purchased The Drackett Company.
- 1947
Trademark and unfair-competition litigation
[1]Hygienic Products sued Judson Dunaway over similarities involving Vanish and Sani-Flush; Dunaway ultimately won on appeal.
- 1937
Vanish is introduced
[1]Judson Dunaway introduced Vanish as a competitor to Sani-Flush in the American toilet-bowl-cleaner market.
Products and positioning
A toilet-cleaning brand positioned around bowl cleaning and automatic or continuous maintenance, now presented primarily as a Vanish sub-brand within S. C. Johnson’s Scrubbing Bubbles bathroom-care range.
Toilet-bowl cleaner · 1937
Vanish crystal toilet-bowl cleaner
The original Vanish product was a crystal toilet-bowl cleaner introduced in 1937. The documented formulation category used sodium bisulfate, also known as sodium hydrogen sulfate, along with surfactants. This format competed directly with Sani-Flush and represented the brand’s first market identity. Sodium-bisulfate crystal bowl cleaners were withdrawn from the marketplace around 2009.
Automatic toilet cleaner · 2000
Vanish in-tank toilet cleaner
Introduced in 2000, the in-tank Vanish product was designed to provide automatic cleaning from inside a toilet tank. It was positioned against products such as 2000 Flushes and Clorox Automatic. The product category was associated with concerns about chemical damage to toilet flappers, which led to additional durability and marking requirements in the ASME A112.19.5 standard in 2005.
Industrial and institutional toilet cleaner
Vanish Thick Liquid Disinfectant Bowl Cleaner
This thick-liquid disinfectant bowl cleaner was sold for industrial and institutional use rather than ordinary consumer retail. The documented product description identifies hydrochloric acid at 9.25% by weight. The available reference material does not establish its launch date or current availability.
Continuous-cleaning toilet product
Scrubbing Bubbles Vanish Continuous Clean Drop-Ins
The contemporary consumer presentation of Vanish in North America is Scrubbing Bubbles Vanish Continuous Clean Drop-Ins. The product places the historic Vanish name within the Scrubbing Bubbles bathroom-cleaning portfolio and represents the brand’s continued use for automatic or continuous toilet care.
Brand decisions
2009
Move away from sodium-bisulfate crystalsGeneration changeBackground
Sodium-bisulfate crystal toilet cleaners were withdrawn from the marketplace around this period.
Action taken
The Vanish name continued on toilet-cleaning products using formats and chemistries other than the original crystal formulation.
Aftermath
Vanish’s identity shifted toward automatic, continuous, and liquid toilet-care products, including products connected with Scrubbing Bubbles.
2000
Launch of an in-tank Vanish cleanerProduct launchBackground
Automatic in-tank toilet-cleaning products were an established competitive segment, including 2000 Flushes and Clorox Automatic.
Action taken
S. C. Johnson introduced an in-tank toilet cleaner under the Vanish name.
Aftermath
The in-tank category prompted broader attention to toilet-flapper durability and contributed to later standard requirements, although the available source does not attribute those requirements solely to Vanish.
1992
Transfer of Vanish to S. C. JohnsonM&ABackground
The Drackett Company owned Vanish after purchasing the product from inventor Judson Dunaway. S. C. Johnson acquired Drackett in 1992.
Action taken
S. C. Johnson took ownership of Vanish and incorporated it into its household-cleaning portfolio.
Aftermath
Vanish later appeared in multiple toilet-cleaning formats and became associated with the Scrubbing Bubbles brand as a sub-brand.
Recent events
- 2009
Traditional sodium-bisulfate crystal cleaners leave the marketplace[1]
Product generation · Other
Sodium-bisulfate toilet-bowl crystals were withdrawn from the marketplace around this time, while the Vanish name continued on toilet-cleaning products using other formats and chemistries.
- 2005
Toilet-flapper durability requirements added to plumbing standard[1]
Regulation
The ASME A112.19.5 standard added durability and marking requirements for toilet flappers following concerns that some in-tank cleaners could damage flappers and permit leakage.
- 2000
Vanish in-tank toilet cleaner introduced[1]
Product launch · Product generation
An in-tank automatic toilet cleaner was introduced under the Vanish name to compete with established automatic products including 2000 Flushes and Clorox Automatic.
- 1992
S. C. Johnson obtains Vanish through Drackett acquisition[1]
M&A
S. C. Johnson acquired The Drackett Company and obtained the Vanish brand as part of that transaction.
- 1947
Hygienic Products files trademark and unfair-competition suit[1]
Lawsuit
The maker of Sani-Flush sued Judson Dunaway, alleging trademark infringement and unfair competition based partly on similarities in packaging and advertising. Dunaway later won on appeal.
- 1937
Judson Dunaway introduces Vanish toilet cleaner[1]
Product launch
Judson Dunaway introduced Vanish in New Hampshire as a competing toilet-bowl cleaner to Sani-Flush.
Sources1 sources
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