Phenylalanine

INCI: PHENYLALANINE

Phenylalanine (CAS 63-91-2 (L-Phenylalanine)) is a cosmetic cosmetic ingredient functioning as Skin conditioning, anti-static. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.

View industrial chemical safety profile for CAS 63-91-2 (L-Phenylalanine) →

Auto-generated CPSR Part A draft with source citations
CAS Number
63-91-2 (L-Phenylalanine)
View industrial chemical safety profile →
Function
Skin conditioning, anti-static
Safety Rating
EXCELLENT

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Not restricted; essential amino acid, GRAS status

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Additional Ingredient Properties

3 property records from structured ingredient metadata.

acne
{"cas_number": "63-91-2", "anti_acne_mechanism": "anti_inflammatory", "comedogenicity_rating_0_to_5": "0", "acne_type_efficacy": "inflammatory", "sebum_reduction_pct_clinical": "0-5", "prescription_required_usa": "No", "otc_drug_monograph_category": "No", "max_otc_concentration_pct": "No limit", "japan_quasi_drug_anti_acne": "No", "korea_functional_cosmetic_acne": "No", "eu_cosmetic_restriction_ac…
anti_aging
{"anti_aging_claim": "barrier-repair", "mechanism_of_action": "Building block for proteins, NMF component", "target_skin_layer": "epidermis", "collagen_stimulation": "Mild", "elastin_protection": "Mild", "wrinkle_reduction_pct": "4-8", "clinical_study_duration_weeks": "8", "sample_size": "25", "double_blind": "No", "placebo_controlled": "Yes", "published_journal": "Int J Cosmet Sci", "improvement_…
sensory
{"silky": "powdery", "smooth, glides easily": "smooth, precursor", "dry-touch, non-greasy": "balanced, smooth", "instant": "moderate", "low": "low", "w/o": "o/w", "very-high": "moderate", "no": "no", "yes": "no", "1.40": "1.28", "transparent": "opaque", "colorless": "white", "excellent": "fair", "light": "light", "synthetic": "biotechnology"}

Expert Verdict

Expert safety assessment and concern-level summary for Phenylalanine.

Frequently Asked Questions

Is Phenylalanine safe in cosmetics?

Phenylalanine has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.

Is Phenylalanine allowed in the EU?

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

What does Phenylalanine do in cosmetics?

Phenylalanine functions as: Skin conditioning, anti-static. It is classified as a cosmetic ingredient in our database. CAS number: 63-91-2 (L-Phenylalanine).

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