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Polyaminopropyl biguanide

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Polyaminopropyl biguanide is a widely used ingredient in cosmetics, personal care, and skincare formulations. Depending on its function, it may serve as a moisturizer, preservative, emulsifier, or active ingredient to enhance the overall effectiveness and performance of a product.

Polyaminopropyl biguanide (Wikipedia)
This article is about polymer containing propyl linker between guanidine groups. For PHMB the antimicrobial polymer incorectly named Polyaminopropyl biguanide, see Polyhexanide.

Polyaminopropyl biguanide (PAPB) is a polymer containing biguanide group connected with a three methylene (propyl) linker. The polymer is a propyl analogue of polyhexamethylene biguanide. The polymer display some antibacterial activity however much lower than PHMB. As of May 2024, PAPB is not approved as a biocidal active substance under EU regulations.

Polyaminopropyl biguanide
Names
Other names
Polyamine-propyl-biguanidine
Identifiers
Abbreviations PAPB
ChemSpider
  • none
ECHA InfoCard 100.118.649 Edit this at Wikidata
UNII
Properties
(C5H11N5)n
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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