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Cleansing Gel

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Cleansing Gel.jpg
Cleansing Gel
General information

Aperture Science

Used by


Game information



Pongthep Charnchaichujit (original design)[1]

Cleansing Gel,[2] also known as Water,[3] is a testing element used in the Enrichment Center several decades before Portal and introduced in Portal 2. It is one of four types of Mobility Gels.


  • With a water-like appearance, Cleansing Gel is used to completely cleanse other Gels during tests, adding difficulty to said test.
  • Cleansing Gel can be used to wash off testing elements covered in other Gels.
  • Cleansing Gel behaves in exactly the same way as other gels and can be sent through portals in the same way.


List of appearances[edit]