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Polyaminopropyl Biguanide

What Polyaminopropyl Biguanide is & what it does

A gentle, broad-spectrum antimicrobial preservative effective at low levels. It is well tolerated and used in many modern systems.

What does Polyaminopropyl Biguanide do in skincare?

Polyaminopropyl Biguanide is used mainly as a preservative in cosmetic formulas. It helps protect products against the growth of microbes such as bacteria, which keeps the formula stable over its shelf life. It is typically used at low concentrations for this purpose.

Is Polyaminopropyl Biguanide safe?

Polyaminopropyl Biguanide is a commonly used cosmetic preservative included at low levels. As with many preservatives, it is intended for use within established concentration limits. If you have a known sensitivity, it is best to review the ingredient list and consult a professional.

Is Polyaminopropyl Biguanide natural or synthetic?

Polyaminopropyl Biguanide is a synthetic ingredient, a polymeric compound made through chemical processes. It is not derived directly from a plant or mineral source. It belongs to the biguanide family used in antimicrobial applications.

Sunscreens with Polyaminopropyl Biguanide

We rate 24 sunscreens that contain it, showing the top 10 by overall score:

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