Poor Cosmetic Ingredient

Ponceau SX

INCI: PONCEAU SX

CAS Number
4548-53-2
Function
Colorant (monoazo dye)
Safety Rating
POOR

Regulatory Status

🇪🇺 EU Status prohibited
🇺🇸 US Status restricted
US Notes FD&C Red No. 4 — restricted to externally applied drugs and cosmetics only; prohibited in food, lip products, and eye-area products

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Azo dye with potential for reductive cleavage to aromatic amines; prohibited in EU cosmetics; FDA restricts to external application only, excluding lips, mucous membranes, and eye area.

⚠️
Concern Level: High

Regulatory Flags

colorant eu_banned_cosmetics eu_children_restricted epa_safer_alternative ifra_fragrance fda_food_additive eu_cosing_listed jecfa_concern

Frequently Asked Questions

Is Ponceau SX safe in cosmetics?

Azo dye with potential for reductive cleavage to aromatic amines; prohibited in EU cosmetics; FDA restricts to external application only, excluding lips, mucous membranes, and eye area. The EU classifies Ponceau SX as "prohibited". Safety rating: POOR.

Is Ponceau SX allowed in the EU?

Ponceau SX EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Ponceau SX do in cosmetics?

Ponceau SX functions as: Colorant (monoazo dye). It is classified as a cosmetic ingredient in our database. CAS number: 4548-53-2.

What is the Margin of Safety for Ponceau SX?

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.

Compliance Tools

Check Ponceau SX compliance across multiple jurisdictions:

🔬
Ingredient Decoder
Paste a full ingredient list for instant analysis
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82 Allergen Checker
Check for EU declarable fragrance allergens
 🧪
Substance Compliance
Check compliance across 55 jurisdictions
 🧮
MoS Calculator
Calculate Margin of Safety using SCCS methodology
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Heavy Metal Limits
Compare limits across jurisdictions

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