Moderate Cosmetic Ingredient NOAEL Data

Benzophenone-3 (Oxybenzone)

Also known as: BRN 1913145, EINECS 205-031-5, NCI-C60957, NSC-7778, Oxibenzonum (+3 more)

INCI: BENZOPHENONE-3

Benzophenone-3 (Oxybenzone) (CAS 131-57-7) is a cosmetic cosmetic ingredient functioning as UV Filter, Photostabilizer. NOAEL 67.9 mg/kg bw/day (PDF-verified against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: restricted, max 6% (sunscreen); 0.5% (non-UV-filter use). Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and pharmaceutical data.

View industrial chemical safety profile for CAS 131-57-7 →

Auto-generated CPSR Part A draft with source citations
Function
UV Filter, Photostabilizer
Safety Rating
MODERATE

Chemistry & Identifiers

EC Number
205-031-5

Regulatory Status

EU EU Status restricted
EU Max Conc. 6% (sunscreen); 0.5% (non-UV-filter use)
US US Status restricted
US Notes FDA 2019/2021 proposed rules: NOT GRASE pending additional safety data on systemic absorption and endocrine effects. Permitted in cosmetics generally; restriction applies to OTC sunscreen monograph specifically.

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Benzophenone-3 (Oxybenzone).

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

10 study endpoints found for Benzophenone-3 (Oxybenzone). 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 544 mg/kg bw/day oral mouse Subchronic COSMOS_DB
NOAEL =0.119 mg/kg bw/day dermal rat dermal absorption SCCS_vision_codex
NOAEL =0.119 mg/kg bw/day dermal rat dermal absorption SCCS_vision_codex
NOAEL =0.119 mg/kg bw/day dermal rat dermal absorption SCCS_vision_codex
NOAEL =0.119 mg/kg bw/day dermal rat dermal absorption SCCS_vision_codex
NOAEL =1.78 mg/kg bw/day dermal rat dermal absorption SCCS_vision_codex
NOAEL =1.78 mg/kg bw/day dermal rat dermal absorption SCCS_vision_codex
NOAEL =1.78 mg/kg bw/day dermal rat dermal absorption SCCS_vision_codex
NOAEL =1.78 mg/kg bw/day dermal rat dermal absorption SCCS_vision_codex
NOAEL =67.9 mg/kg bw/d oral - NOAEL study SCCS_vision_codex

Pre-Calculated Safety Assessment

Pre-calculated NOAEL → SED → MoS audit trail for Benzophenone-3 (Oxybenzone) across SCCS product categories, with measured dermal absorption where available.

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
LD50 >16000 mg/kg Rabbit dermal acute ECHA IUCLID
LD50 >12800 mg/kg Rat oral - ECHA IUCLID
LD50 =11600 mg/kg Rat oral - ECHA IUCLID
LD50 >1600 mg/kg Mouse injection - ECHA IUCLID
NOAEL >10000 ppm Rat oral short-term ECHA IUCLID
NOAEL >789 mg/kg-day Rat oral short-term ECHA IUCLID
NOAEL =600 mg/kg-day Rat oral subchronic ECHA IUCLID
NOAEL =393 mg/kg-day Rat oral subchronic ECHA IUCLID
NOAEL =429 mg/kg-day Rat oral subchronic ECHA IUCLID
NOAEL =4925 mg/kg-day Mouse oral subchronic ECHA IUCLID

Sensitization AOP Dashboard

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

DPRA Cys %
4.6%
DPRA Lys %
87.4%
KeratinoSens IC50
1102 µM
hCLAT CV75
59.9 µg/mL
LLNA EC3
50%
NESIL
12500 µg/cm²
LLNA: Weak (1B) GHS: 1B

Source: LLNA: CosmEur database; DPRA: Cosmetics Europe; KS: Cosmetics Europe; hCLAT: Cosmetics Europe

Endocrine Disruptor Evidence (Expanded)

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

Suspected Evidence: High (2014)
Health effects: Yes
Affected pathways: Estrogenic, Anti-androgenic, Thyroid
Regulatory framework: REACH

Source list: II

Cosmetic-Specific Mechanism
Category: UV filter
Receptor targets: ERα, ERβ, AR, TR
LOEC: 1.56 µM
EU status: restricted (max 6% rinse-off, 2% face leave-on)

agonist (ER); antagonist (AR, TR)

Dose-Response Data Points
Endpoint Target Value Direction
EC50_ER ERα 19.5 µM agonist
IC50_AR AR 4.98 µM antagonist
dermal_RF skin 0.01 mg/cm² (0.5% of applied dose) mg/cm² -
dermal_RF_16h skin 1.0 ± 0.4 µg/cm² -
Cell proliferation ER EC50/IC50: ~2 uM (EC50); LOEC: ~0.3 uM; NOEC: 0.1 uM mixed agonist
ERE-driven luciferase induction ERa EC50/IC50: EC50 not determinable (partial plateau at 1 uM); LOEC: 1 uM; NOEC: 0.1 uM mixed weak agonist
SIN List ED: Suspected ED Cosmetic relevance: direct

ECHA REACH Registration

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

Registration Type
Full
Tonnage Band
100 - 1,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

EU CosIng Annex Listing

European Commission CosIng database Annex references per Regulation (EC) No 1223/2009.

Annex VI — Permitted UV Filters
Product type: a) Face products, hand products, and lip products, excluding propellant and pump spray products b) Body products, including propellant and pump spray products c) Other products
Max: a) 6% b) 2,2% c) 0,5% Footnote 1: However, cosmetic products containing '2-Hydroxy-4-methoxy-benzophenone/Oxybenzone' and complying with the restrictions set out in Regulation (EC) No 1223/2009 as applicable on 27 July 2022 may be placed on the Union market until 28 January 2023 and be made available on the Union market until 28 July 2023.
For a) and b): Contains Benzophenone-3 (*) Footnote (*): Not required if concentration is 0,5 % or less and when it is used only for product protection purposes.

Expanded Jurisdictional Detail

Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.

KR Korea MFDS Annex 2 (Restricted)
Category: UV Filter. Max: 2.4% (face/hand/lip: 5%).
SA Saudi SFDA (VI - UV Filters)
Max: 6% Reg (EU) 2017/238 of 10 February 2017- date of application from September 2017.
JPKR Japan/Korea Cosmetics
Japan (Positive (UV Absorber)): max 5.0
Korea (Restricted): max 2.4
Japan (Restricted): max Wash-away: No limit | Leave-on: 5.0% | Mucosa: 5.0%
BRIN Brazil/India Cosmetics
India: Permitted UV Filter · max 6% Reg (EU) 2017/238 of 10 February 2017- date of application from September 2017
Additional Jurisdictional Restrictions (9)
Jurisdiction Status Max % Product Type
JP restricted Wash-away: No limit | Leave-on: 5.0% | Mucosa: 5.0% Wash-away: No limit | Leave-on: 5.0% | Mucosa: 5.0%
CN permitted_uv_filter 10 All cosmetics
IN permitted_uv_filter 10.0 sunscreen and other cosmetic products
AU restricted - sunscreens (therapeutic)
GCC restricted 6.0 All cosmetics
UK restricted - -
ID permitted_uv_filter 10% (current ASEAN-wide); Vietnam 2026 new limits: 6% facial/hand/lip; 2.2% body; 0.5% other; Indonesia reducing -
ID restricted Reducing from 10% (exact new limit TBC; Indonesia aligning with EU) Sunscreen products

Expanded Dermal Absorption Data

Cross-database dermal penetration: EPA Dryad physics-based, Roberts Mendeley permeation, and SCCS-aggregated measured values.

Aggregated DA Values (1 records across 5 sources)
Type DA % Method Skin Model SCCS Ref
measured_in_vitro 8.0 In vitro — Franz diffusion cells - SCCS/1223/09 (2013) (2013)

Typical Use Concentrations

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

Product Category Typical Range Max Reported Source
Sunscreen 2–6 10 CIR/FDA OTC

Additional Ingredient Properties

1 property record from structured ingredient metadata.

anti_pollution
{"cas_number": "131-57-7", "ingredient_class": "blue_light_filter", "primary_mechanism": "film_forming_barrier", "pollution_types_targeted": "UV_A/UV_B", "IR_A_protection": "no", "visible_light_protection": "no", "digital_screen_protection_claim": "no", "PAH_neutralization": "no", "ozone_protection": "no", "mitochondrial_protection": "no", "Nrf2_activation": "no", "AhR_pathway_modulation": "no", "…

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Fragrance UV stabilizer
Regulatory List Membership (4)
EU Regulated in Personal Care IFRA Fragrance Transparency List FDA Indirect Food Contact Additives EU CosIng Cosmetics Ingredient Database

Expert Verdict

Expert safety assessment and concern-level summary for Benzophenone-3 (Oxybenzone).

Regulatory Flags

highly_sensitizing high_dermal_absorption photoallergen fda_not_grase eu_concentration_limit endocrine_concern avoid_skin_contact_formulas ifra_fragrance eu_cosing_listed

NOAEL Studies Summary

View details ->

Public NOAEL study rows linked to Benzophenone-3 (Oxybenzone) by CAS number or substance name.

Studies
139
Lowest NOAEL
0.119
Highest NOAEL
9500

Units vary across source rows: mg/kg bw/day, mg/kg bw/d, mg/kg/ day

COSMOS_DB ToxValDB_ECHA_IUCLID SCCS_vision_codex

Dermal Absorption

View details ->
Absorption % Method Vehicle
8.0 In vitro — Franz diffusion cells Sunscreen o/w / w/o emulsion

Known Synonyms

BRN 1913145 EINECS 205-031-5 NCI-C60957 NSC-7778 Oxibenzonum Sunscreen UV-15 Oxybenzonum UNII-95OOS7VE0Y

Chemical Function

UV stabilizer Fragrance

Regulatory Lists

Cleaning products and household care - shoes; Europe drinking_water; Europe; manufacturing; plastic_additive Europe; Personal care Europe; Personal care Europe; Food contact items Europe; restricted IFRA Transparency Cleaning products and household care - shoes; Europe inert_ingredient; non_food_use; Pesticides active_ingredient; Australia pharmaceutical Indirect additives food contact (10/2018) detected; Europe; Personal care - nails - nail polish Canada; pharmaceutical Canada; pharmaceutical Europe; Personal care

Australian Status

AICIS status: listed

Cross-Vertical Safety Context

Same-CAS public records found in pharmaceutical data.

SOURCE ChEMBL / DrugCentral / FAERS DB_PHARMA CAS match

Pharmaceutical Data

Same-CAS rows from the pharmaceutical spoke database.

Compound
OXYBENZONE
ChEMBL ID
CHEMBL1625
Max Phase
4
Adverse Event Associations
51
View full pharmaceutical profile →

Frequently Asked Questions

Is Benzophenone-3 (Oxybenzone) safe in cosmetics?

Benzophenone-3 (Oxybenzone) has a safety rating of "MODERATE" in our database. EU status: restricted. US status: restricted. 10 toxicological study endpoint(s) are available in our database.

Is Benzophenone-3 (Oxybenzone) allowed in the EU?

Benzophenone-3 (Oxybenzone) EU regulatory status: restricted. Maximum allowed concentration: 6% (sunscreen); 0.5% (non-UV-filter use). This is based on EU Regulation 1223/2009 and its amendments.

What does Benzophenone-3 (Oxybenzone) do in cosmetics?

Benzophenone-3 (Oxybenzone) functions as: UV Filter, Photostabilizer. It is classified as a cosmetic ingredient in our database. CAS number: 131-57-7.

What is the NOAEL for Benzophenone-3 (Oxybenzone)?

The NOAEL (No Observed Adverse Effect Level) for Benzophenone-3 (Oxybenzone) is 544 mg/kg bw/day based on a Subchronic study via oral route in mouse. A total of 10 study endpoints are available. Source: COSMOS_DB.

Is Benzophenone-3 (Oxybenzone) used outside cosmetics?

Benzophenone-3 (Oxybenzone) also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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