Moderate Cosmetic Ingredient Sensitization Data

Sodium Butylparaben

INCI: SODIUM BUTYLPARABEN

CAS Number
36457-20-2
Function
Preservative (sodium salt of butylparaben)
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status prohibited
EU Max Conc. 0.14%
🇺🇸 US Status permitted
US Notes Permitted; FDA considers parabens safe at current use levels; no concentration restrictions under federal law (some state-level restrictions emerging)

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Sensitization Profile

Contact sensitization data for Sodium Butylparaben 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

HIGH PRIORITY. Endocrine disruptor classification; SCCS 2024 opinion found current 0.14% limit potentially unsafe for multi-product exposure in children; anticipate further EU restrictions. Do not use in baby/children's products. Body lotion use flagged as too risky even at low concentrations

⚠️
Concern Level: Moderate

Regulatory Flags

preservative

Frequently Asked Questions

Is Sodium Butylparaben safe in cosmetics?

HIGH PRIORITY. Endocrine disruptor classification; SCCS 2024 opinion found current 0.14% limit potentially unsafe for multi-product exposure in children; anticipate further EU restrictions. Do not use in baby/children's products. Body lotion use flagged as too risky even at low concentrations The EU classifies Sodium Butylparaben as "prohibited". Safety rating: MODERATE.

Is Sodium Butylparaben allowed in the EU?

Sodium Butylparaben EU regulatory status: prohibited. Maximum allowed concentration: 0.14%. This is based on EU Regulation 1223/2009 and its amendments.

What does Sodium Butylparaben do in cosmetics?

Sodium Butylparaben functions as: Preservative (sodium salt of butylparaben). It is classified as a cosmetic ingredient in our database. CAS number: 36457-20-2.

What is the Margin of Safety for Sodium Butylparaben?

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 Sodium Butylparaben compliance across multiple jurisdictions:

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Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
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Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
 ⚗️
Heavy Metal Limits
Compare limits across jurisdictions

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