Polyaminopropyl Biguanide
A preservative and antiseptic (PHMB). Effective at low concentrations, common in micellar water and sensitive-skin products. The EU caps its concentration (Regulation 1223/2009); within that limit it is well tolerated.
Supporting ingredient
It gives a product its texture, stability or shelf life. It has no claimed effect on the skin, so an efficacy tier does not apply. What is known about its safety is below
Tolerability and safety
- Irritation potential
- Low
- Allergen risk
- Moderate
- Pregnancy
- Safe
- Suitable for
- Normal, Dry, Combination, Oily, Sensitive
- Use with caution
- Sensitive
Frequently asked questions
Is Polyaminopropyl Biguanide safe during pregnancy?
Polyaminopropyl Biguanide is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
What skin types is Polyaminopropyl Biguanide for?
Polyaminopropyl Biguanide suits: normal, dry, combination, oily, sensitive. Use with caution in: sensitive.
What is Polyaminopropyl Biguanide and what does it do in cosmetics?
A preservative and antiseptic (PHMB).
What's the INCI name for Polyaminopropyl Biguanide?
The INCI name is Polyaminopropyl Biguanide. It may also appear as: PHMB, Polyhexamethylene Biguanide.
See Polyaminopropyl Biguanide in a product composition right on the store page
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Similar role in the formula
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