Moderate Cosmetic Ingredient Sensitization Data

Phenylacetaldehyde

INCI: PHENYLACETALDEHYDE

Phenylacetaldehyde (CAS 122-78-1 [^1_17]) is a cosmetic cosmetic ingredient functioning as Fragrance (powerful floral/hyacinth note). EU Regulation 1223/2009 status: restricted. Industrial safety data is also available in the chemical safety database.

View industrial chemical safety profile for CAS 122-78-1 [^1_17] →

Auto-generated CPSR Part A draft with source citations
CAS Number
122-78-1 [^1_17]
View industrial chemical safety profile →
Function
Fragrance (powerful floral/hyacinth note)
Safety Rating
MODERATE

Regulatory Status

EU EU Status restricted
US US Status permitted
US Notes FEMA 2874; GRAS for food; not specifically restricted by FDA in cosmetics

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Sensitization Profile

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

Sensitization Rate
low
Allergen Class
fragrance
EU Allergen Listed
yes
Patch Test Positive Rate
0.2%
Cross-reactivity Group
none
Reaction Type
contact-dermatitis
IFRA Restricted

Source: EU 2023/1545; SCCS

IFRA Concentration Limits (12 Product Categories)

International Fragrance Association standards per product category. Restriction: Restriction. Effective: 2021-02-10.

Category Max % Category Max %
1 (Lip products) 0.04% 7a (Deodorant – not spray) 0.079%
2 (Body spray) 0.012% 7b (Deodorant spray) 0.079%
3 (Body cream) 0.04% 8 (Face cream) 0.013%
4 (Fine fragrance) 0.16% 9 (Soap) 0.2%
5a (Body lotion) 0.04% 10a (Household – non-spray) 0.2%
5b (Face cream leave-on) 0.04% 10b (Household – spray) No Restriction%
5c (Hand cream) 0.04% 11a (Intimate – leave-on) 0.013%
5d (Baby cream) 0.013% 11b (Intimate – rinse) 0.013%
6 (Mouthwash) 0.04% 12 (Not for consumer exposure) No Restriction%

Additional Ingredient Properties

1 property record from structured ingredient metadata.

allergen_detail
{"eu_allergen_listed": "yes", "allergen_class": "fragrance", "patch_test_frequency_pct": "0.2", "sensitization_rate": "low", "common_reaction_type": "contact-dermatitis", "ifra_restricted": "yes", "source": "EU 2023/1545; SCCS"}

Expert Verdict

Expert safety assessment and concern-level summary for Phenylacetaldehyde.

Regulatory Flags

potential-allergen fragrance-component ifra_fragrance fda_food_additive jecfa_safe

NOAEL Studies Summary

View details ->

Public NOAEL study rows linked to Phenylacetaldehyde by CAS number or substance name.

Studies
8
Lowest NOAEL
25 mg/kg bw/day
Highest NOAEL
100 mg/kg bw/day
ToxValDB_ECHA_IUCLID ECHA_REACH_reach_study_results_dossiers_23-05-2023.zip

Frequently Asked Questions

Is Phenylacetaldehyde safe in cosmetics?

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

Is Phenylacetaldehyde allowed in the EU?

Phenylacetaldehyde EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does Phenylacetaldehyde do in cosmetics?

Phenylacetaldehyde functions as: Fragrance (powerful floral/hyacinth note). It is classified as a cosmetic ingredient in our database. CAS number: 122-78-1 [^1_17].

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