Good Cosmetic Ingredient Sensitization Data

Potassium Methylparaben

INCI: POTASSIUM METHYLPARABEN

CAS Number
26112-07-2 (potassium salt of methylparaben, CAS 99-76-3)
Function
Preservative (antimicrobial)
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
EU Max Conc. 0.4%
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted preservative; listed in FDA's cosmetic ingredient database

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
moderate
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Sensitization Profile

Contact sensitization data for Potassium Methylparaben based on clinical patch test studies and IFRA standards.

Sensitization Rate
low
Allergen Class
preservative
EU Allergen Listed
no
Patch Test Positive Rate
0.2%
Cross-reactivity Group
paraben-group
Reaction Type
contact-dermatitis

Source: ESSCA; IVDK; SCCS/1348/10

Expert Verdict

Subject to ongoing public and regulatory scrutiny regarding endocrine activity; some retailers impose voluntary restrictions and several countries require labeling.

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Concern Level: Moderate

Regulatory Flags

preservative

Frequently Asked Questions

Is Potassium Methylparaben safe in cosmetics?

Subject to ongoing public and regulatory scrutiny regarding endocrine activity; some retailers impose voluntary restrictions and several countries require labeling. The EU classifies Potassium Methylparaben as "permitted". Safety rating: GOOD.

Is Potassium Methylparaben allowed in the EU?

Potassium Methylparaben EU regulatory status: permitted. Maximum allowed concentration: 0.4%. This is based on EU Regulation 1223/2009 and its amendments.

What does Potassium Methylparaben do in cosmetics?

Potassium Methylparaben functions as: Preservative (antimicrobial). It is classified as a cosmetic ingredient in our database. CAS number: 26112-07-2 (potassium salt of methylparaben, CAS 99-76-3).

What is the Margin of Safety for Potassium Methylparaben?

adequate The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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