Ingredient
Polyaminopropyl Biguanide
What is Polyaminopropyl Biguanide?
Polyaminopropyl Biguanide is a synthetic polymer used primarily for its antimicrobial properties. It is created through chemical synthesis that results in a compound effective in controlling bacteria and fungi.
This ingredient is commonly used as a preservative in cosmetics and personal care products, like sunscreen, to extend shelf life and prevent product spoilage. Health evidence suggests it effectively reduces microbial growth, but there are discussions about its safety at consistently high exposures.
When you see Polyaminopropyl Biguanide on a label, it's usually present to ensure product safety by preventing bacterial contamination.
Commonly found in: Sunscreens, Lotions, Creams, Cleansers, Deodorants
What to watch
- Polyaminopropyl Biguanide has been associated with rare allergic reactions in sensitive individuals.
Benefits
- It effectively inhibits microbial growth, extending the product's shelf life.
The FDA does not currently restrict its use but advises manufacturers to ensure safety through rigorous testing in their formulations.
Research indicates effective antimicrobial properties, but there are mixed findings on potential skin sensitization.
Polyaminopropyl Biguanide is synthetic and generally considered vegan.
Scout's take
Polyaminopropyl Biguanide is used as a preservative in cosmetics. It helps to prevent microbial growth and extend the shelf life of the product. It is generally considered safe for use in cosmetics.
The case against
There are minimal risks associated with this ingredient, though it may cause irritation in sensitive individuals.
from the analysis of Sun Bum Signature SPF 30 LotionThe case for
It helps to preserve the product and prevent microbial contamination.
from the analysis of Sun Bum Signature SPF 30 LotionFound in 1 product
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