Polyaminopropyl Biguanide

Polyaminopropyl Biguanide is a cosmetic ingredient used as a preservative agent. It is used in 106 products in our dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex).

INCI namePOLYAMINOPROPYL BIGUANIDE
FunctionPRESERVATIVE
CAS number32289-58-0 [1]/27083-27-8 [2]/28757-47-3 [3]/ 133029-32-0 [4]
EC number608-723-9 [1]/608-042-7 [2]/923-111-4 [3]/- [4]
Prevalence106 products (0.11% of dataset)
Most used inSkincare
EU statusRestricted (annex )
Monthly searches320

Used in

Makeup Removers 67%Face Cleansers 9.4%Serums 6.6%Toners 4.7%General Moisturizers 3.8%Shampoos 1.9%

Frequently asked

What does Polyaminopropyl Biguanide do in skincare?
Polyaminopropyl Biguanide functions as a preservative agent in cosmetic formulas.
Is Polyaminopropyl Biguanide allowed in cosmetics?
Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
What products contain Polyaminopropyl Biguanide?
It is most commonly found in Skincare products, especially makeup removers (67% of its uses).

Manufacturers with experience using Polyaminopropyl Biguanide

Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.