Excellent Antioxidant NOAEL Data

Tocopherol

Also known as: 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,5,7,8-tetramethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-, (2R)-, D-alpha-Tocopherol, E Prolin, (all-R)-alpha-Tocopherol, Antisterility vitamin (+15 more)

INCI: TOCOPHEROL

Tocopherol (CAS 59-02-9) is a cosmetic antioxidant functioning as Antioxidant; chain-breaking free radical scavenger (HAT mechanism); lipophilic. Reported NOAEL =180 mg/kg bw/day in Rat (ToxValDB_ECHA_IUCLID); EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety, pharmaceutical, and food safety data.

View industrial chemical safety profile for CAS 59-02-9 →

Auto-generated CPSR Part A draft with source citations
Function
Antioxidant; chain-breaking free radical scavenger (HAT mechanism); lipophilic skin-conditioning agent; product stabiliser against oxidative rancidity; photoprotective booster
Safety Rating
EXCELLENT

Chemistry & Identifiers

EC Number
200-412-2

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes FDA GRAS for food use (21 CFR 182.3890). CIR Expert Panel final report confirms safety of tocopherol, tocopheryl acetate, and mixed tocopherols as used in cosmetics at typical use levels (0.01–1%). No concentration limits for cosmetic use.

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

5 study endpoints found for Tocopherol. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.

Endpoint Value Route Species Study Type Source
NOAEL =180 mg/kg bw/day oral Rat subchronic ToxValDB_ECHA_IUCLID
NOAEL =1028 mg/kg bw/day oral Rat developmental ToxValDB_ECHA_IUCLID
NOAEL =1086 mg/kg bw/day oral Rat subchronic ToxValDB_ECHA_IUCLID
NOAEL =1600 mg/kg bw/day oral Rat developmental ToxValDB_ECHA_IUCLID
NOAEL =2000 mg/kg bw/day oral Rat chronic ToxValDB_ECHA_IUCLID

EPA ToxValDB — Toxicity Values

10 toxicity values from EPA ToxValDB (aggregated from CCTE, HPV, ToxRefDB, IRIS, and other regulatory dossiers).

Endpoint Value Species Route Duration Source
NOAEL =540 mg/day Human oral - EFSA
LOEL =50 mg/kg-day Rat injection subchronic ECOTOX
NOEL =50 mg/kg-day Rat injection subchronic ECOTOX
NOEL =50 mg/kg-day Rat injection short-term ECOTOX
NOEL =100 mg/kg-day Rat injection subchronic ECOTOX
LOAEL =125 mg/kg-day Rat oral subchronic ECHA IUCLID
LOAEL =500 mg/kg-day Rat oral chronic ECHA IUCLID
LOAEL =21 mg/kg-day Rat oral - ECHA IUCLID
NOAEL =1600 mg/kg-day Rat oral - ECHA IUCLID
NOAEL =1600 mg/kg-day Rat oral - ECHA IUCLID

Sensitization AOP Dashboard

Adverse Outcome Pathway data across 5 assays (DPRA, KeratinoSens, hCLAT, LLNA, NESIL) aggregated from public sources.

DPRA Cys %
0%
DPRA Lys %
7.1%
KeratinoSens IC50
2000 µM
hCLAT CV75
1000 µg/mL
GHS: inconclusive

Source: DPRA: Hoffmann et al., 2018; KS: No reference provided in NICEATM database; hCLAT: Urbisch et al. 2015 [DOI:10.1016/j.yrtph.2014.12.008]

Endocrine Disruptor Evidence (Expanded)

Cross-referenced EDC classifications, mechanism data, and dose-response evidence from EDLists, SIN List, and cosmetic-specific detail sources.

Cosmetic-Specific Mechanism
Category: other
Receptor targets: ERα (limited evidence)
LOEC: 100 µM
EU status: allowed

weak modulator

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
10 - 100 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

Typical Use Concentrations

Reported concentration ranges per product category from SCCS/CIR/industry sources.

Product Category Typical Range Max Reported Source
Face Cream 0.1–1 2 CIR/VCRP
Body Lotion 0.1–1 2 CIR/VCRP
Sunscreen 0.1–0.5 1 CIR/VCRP

Additional Ingredient Properties

6 property records from structured ingredient metadata.

baby_pediatric
{"cas_number": "59-02-9/10191-41-0", "ingredient_class": "preservative_baby_safe", "pediatric_safety_rating": "excellent", "minimum_age_months": "0", "neonatal_safe": "yes", "premature_infant_safe": "yes", "skin_barrier_maturity_consideration": "Vitamin E, antioxidant, safe, skin-beneficial", "transepidermal_absorption_risk_pediatric": "very_low", "dose_per_kg_body_weight_concern": "Safe - vitamin…
comedogenicity_detail
{"comedogenicity_rating": "2", "irritancy_rating": "1", "skin_type_suitability": "dry,combination,normal,mature", "acne_safe": "caution", "source": "Vitamin E"}
hair_care
{"hair_function": "color-protection", "hair_type_suitability": "all", "curl_pattern_suitability": "all", "porosity_suitability": "all", "protein_sensitivity": "neutral", "moisture_protein_balance": "yes", "cg_method_approved": "not-a-silicone", "silicone_type": "not-a-sulfate", "sulfate_type": "no", "drying_alcohol": "no", "fatty_alcohol": "yes", "heat_protectant": "yes", "color_safe": "neutral", …
regulatory
{"eu_status": "allowed", "us_status": "allowed"}
solubility_hlb
{"water_soluble": "no", "oil_soluble": "yes", "soluble_in": "oils, ethanol", "insoluble_in": "water, glycerin, propylene glycol", "log_p": "10.2", "melting_point_c": "2-3", "appearance": "amber viscous liquid", "source": "DSM"}
synergy
{"inci_name_2": "Ascorbyl Palmitate + BHT", "synergy_type": "color-stability", "synergy_description": "Antioxidant system for oil-phase color protection", "combined_benefit": "Enhanced color stability, oxidation prevention, extended shelf life", "efficacy_multiplier": "2.5x", "mechanism_of_action": "Multiple antioxidants provide synergistic protection against oxidation preventing discoloration", "…

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Antioxidant Binder Fragrance Pharmaceutical Preservative Softener and conditioner
Regulatory List Membership (3)
EU Regulated in Personal Care IFRA Fragrance Transparency List EPA Safer Chemical Ingredients List (SCIL)

Expert Verdict

Expert safety assessment and concern-level summary for Tocopherol.

Regulatory Flags

antioxidant lipophilic hat-mechanism chain-breaking uv-sensitive unstable-pure-form opaque-packaging-required synergistic-with-vitamin-c photoprotective cir-reviewed gras anti-aging epa_safer_alternative ifra_fragrance

NOAEL Studies Summary

View details ->

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

Studies
5
Lowest NOAEL
180 mg/kg bw/day
Highest NOAEL
2000 mg/kg bw/day
ToxValDB_ECHA_IUCLID

Known Synonyms

2H-1-Benzopyran-6-ol, 3,4-dihydro-2,5,7,8-tetramethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-, (2R)- D-alpha-Tocopherol E Prolin (all-R)-alpha-Tocopherol Antisterility vitamin 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-, (2R-(2R*(4R*,8R*)))- Covi-Ox EINECS 200-412-2 2,5,7,8-Tetramethyl-2-(4',8',12'-trimethyltridecyl)-6-chromanol alpha-Tocopherol acid alpha-Tokoferol Viprimol Vitamin E alpha Viterra E alpha Tocopherol UNII-N9PR3490H9 Tocopherol alpha alpha-Tocopherol, D- (+)-a-Tocopherol (+)-alpha-Tocopherol

Chemical Function

Softener and conditioner Fragrance Antioxidant Pharmaceutical Preservative Binder

Regulatory Lists

inert_ingredient; non_food_use; Pesticides IFRA Transparency SCIL (9/2019) Europe; supplements Europe; food_additive; supplements Europe; Personal care

Cross-Vertical Safety Context

Same-CAS public records found in pharmaceutical and food safety data.

SOURCE ChEMBL / DrugCentral / FAERS DB_PHARMA CAS match

Pharmaceutical Data

Same-CAS rows from the pharmaceutical spoke database.

Compound
ALPHA-TOCOPHEROL
ChEMBL ID
CHEMBL47
Adverse Event Associations
467
View full pharmaceutical profile →
SOURCE EFSA / FDA GRAS food_additives

Food Safety Data

Same-CAS food additive or FDA GRAS records from the core public database.

Food Name
Alpha-tocopherol
E Number
E307
ADI
0.15 mg/kg bw
Food Category
preservative
View full food safety profile →

Frequently Asked Questions

Is Tocopherol safe in cosmetics?

Tocopherol has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted. 5 toxicological study endpoint(s) are available in our database.

Is Tocopherol allowed in the EU?

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

What does Tocopherol do in cosmetics?

Tocopherol functions as: Antioxidant; chain-breaking free radical scavenger (HAT mechanism); lipophilic skin-conditioning agent; product stabiliser against oxidative rancidity; photoprotective booster. It is classified as a Antioxidant in our database. CAS number: 59-02-9.

What is the NOAEL for Tocopherol?

The NOAEL (No Observed Adverse Effect Level) for Tocopherol is =180 mg/kg bw/day based on a subchronic study via oral route in Rat. A total of 5 study endpoints are available. Source: ToxValDB_ECHA_IUCLID.

Is Tocopherol used outside cosmetics?

Tocopherol also appears in industrial chemical safety, pharmaceutical, and food safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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