Moderate Preservative Sensitization Data

PHMB Cosmetic

Also known as: Imidodicarbonimidic diamide, N-(3-aminopropyl)-, homopolymer

INCI: POLYAMINOPROPYL BIGUANIDE

PHMB Cosmetic (CAS 133029-32-0) is a cosmetic preservative functioning as Preservative. EU Regulation 1223/2009 status: restricted, max 0.3%. Industrial safety data is also available in the chemical safety database.

View industrial chemical safety profile for CAS 133029-32-0 →

Auto-generated CPSR Part A draft with source citations
Function
Preservative
Safety Rating
MODERATE

Chemistry & Identifiers

Regulatory Status

EU EU Status restricted
EU Max Conc. 0.3%
US US Status permitted
US Notes No specific restrictions

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for PHMB Cosmetic.

Calculate MoS for your specific formulation with the MoS Calculator.

Sensitization Profile

Contact sensitization data for PHMB Cosmetic based on clinical patch test studies and IFRA standards.

Sensitization Rate
low
Allergen Class
preservative
EU Allergen Listed
no
Patch Test Positive Rate
0.3%
Cross-reactivity Group
formaldehyde-releaser-group
Reaction Type
contact-dermatitis

Source: ESSCA 2019/20; IVDK; FDA

Additional Ingredient Properties

2 property records from structured ingredient metadata.

allergen_detail
{"eu_allergen_listed": "no", "allergen_class": "preservative", "patch_test_frequency_pct": "0.2", "sensitization_rate": "low", "common_reaction_type": "contact-dermatitis", "ifra_restricted": "no", "source": "IVDK; SCCS"}
deodorant
{"cas_number": "32289-58-0", "ingredient_class": "antimicrobial_deodorant", "mechanism_of_action": "bacterial_growth_inhibition", "antiperspirant_efficacy_sweat_reduction_pct": "0", "deodorant_efficacy_hours": "24", "odor_reduction_pct": "60-80", "bacteriostatic": "yes", "bactericidal": "yes", "target_bacteria": "broad_spectrum", "microbiome_impact": "broad", "axillary_microbiome_effect": "varies …

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Antiperspirant Biocide Preservative

Expert Verdict

Expert safety assessment and concern-level summary for PHMB Cosmetic.

Regulatory Flags

EU Restricted CMR Allergen

Known Synonyms

Imidodicarbonimidic diamide, N-(3-aminopropyl)-, homopolymer

Chemical Function

Preservative Biocide Antiperspirant

Regulatory Lists

Canada; consumer_product; Substances in Products - Canada (4/2014) Canada; Personal care; Substances in PCP - Canada (4/2014) Canada; pharmaceutical

Frequently Asked Questions

Is PHMB Cosmetic safe in cosmetics?

PHMB Cosmetic has a safety rating of "MODERATE" in our database. EU status: restricted. US status: permitted.

Is PHMB Cosmetic allowed in the EU?

PHMB Cosmetic EU regulatory status: restricted. Maximum allowed concentration: 0.3%. This is based on EU Regulation 1223/2009 and its amendments.

What does PHMB Cosmetic do in cosmetics?

PHMB Cosmetic functions as: Preservative. It is classified as a Preservative in our database. CAS number: 133029-32-0.

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