Moderate Fragrance NOAEL Data Sensitization Data Dermal Penetration

Geraniol

INCI: GERANIOL

Geraniol (CAS 106-24-1) is a cosmetic fragrance functioning as fragrance; antimicrobial. NOAEL 300 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: restricted, max 10 ppm in leave-on products, 100 ppm in rinse-off products. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in pharmaceutical data.

View industrial chemical safety profile for CAS 106-24-1 →

Auto-generated CPSR Part A draft with source citations
Function
fragrance; antimicrobial
Safety Rating
MODERATE

Chemistry & Identifiers

EC Number
203-377-1

Regulatory Status

EU EU Status restricted
EU Max Conc. 10 ppm in leave-on products, 100 ppm in rinse-off products
US US Status permitted
US Notes No US federal individual fragrance ingredient disclosure requirement; listed as fragrance only under FDA rules

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

3 study endpoints found for Geraniol. 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 50 mg/kg bw/day oral rat Subchronic COSMOS_DB
NOAEL 500 mg/kg bw/day oral rat Subchronic COSMOS_DB
NOAEL =300 mg/kg bw/day dermal Rat developmental ToxValDB_ECHA_IUCLID

Pre-Calculated Safety Assessment

Pre-calculated NOAEL → SED → MoS audit trail for Geraniol across SCCS product categories, with measured dermal absorption where available.

Sensitization Profile

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

Sensitization Rate
moderate
Allergen Class
fragrance
EU Allergen Listed
yes
Patch Test Positive Rate
1.1%
Cross-reactivity Group
fragrance-mix-I
Reaction Type
contact-dermatitis
IFRA Restricted — max 5.0% in finished products

Source: ESSCA/IVDK

Dermal Penetration Profile

Skin absorption and penetration characteristics of Geraniol, relevant to systemic exposure and MoS calculations.

Absorption %
18-32%
Penetration Level
epidermis
Penetration Depth
epidermis/dermis
Molecular Weight
154.3 Da
Log P
3.28
Systemic Absorption
yes
Topical Bioavailability
12-28%
Safety Margin Factor
high
Vehicle Dependent
Yes — absorption varies by formulation

Source: SCCS/1459/11, IFRA

EPA ToxValDB — Toxicity Values

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

Endpoint Value Species Route Duration Source
NOAEL =345 mg/kg-day Rat oral chronic EFSA
LD50 =3600 mg/kg-day Rat oral - EFSA
NOAEL =300 mg/kg-day Rat dermal - ECHA IUCLID
NOAEL =300 mg/kg-day Rat dermal - ECHA IUCLID
NOAEL =300 mg/kg-day Rat oral - ECHA IUCLID
LD50 >5000 mg/kg Rabbit dermal - ChemIDplus
LD50 =3600 mg/kg Rat oral - ChemIDplus

EU CLP Annex VI Harmonized Classification

Legally binding harmonized classification per Regulation (EC) No 1272/2008 (CLP) Annex VI.

Signal Word
Warning
Pictograms
Harmful / Irritant
Hazard Class and Category
Skin Sens. 1
Hazard Statements
  • H317 May cause an allergic skin reaction

Inserted via ATP: ATP15

Sensitization AOP Dashboard

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

DPRA Cys %
0%
DPRA Lys %
2.6%
KeratinoSens IC50
875 µM
hCLAT CV75
184.5 µg/mL
LLNA EC3
16.1%
NESIL
2362 µg/cm²
LLNA: Weak (1B) GHS: 1B Human: positive

Source: LLNA: Lalko et al. (2004) (RIFM DB #37070) | Lalko et al. (2004)(RIFM DB #37071); DPRA: Natsch et al. 2013 [DOI:10.1002/jat.2868] | Nukada et al. 2013 [DOI:10.1016/j.tiv.2012.11.006]; KS: Urbisch et al. 2015 [DOI:10.1016/j.yrtph.2014.12.008] | Joint Research Centre of the European Union 2014; hCLAT: Ashikaga et al. 2010 [DOI:10.1177/026119291003800403] | Unilever commissioned, IIVS; HPPT: [184] Opdyke DLJ (1974): Geraniol. Personal communication, unpublished.

HRIPT Human Patch Test Studies

5 human repeat insult patch tests aggregated from dermatological literature.

Test Type N Sensitized Dose µg/cm² NESIL µg/cm² Potency
HRIPT 112 0 11811 11811 non-sensitizer
HRIPT 109 0 5905 5905 non-sensitizer
HRIPT 110 0 2362 2362 non-sensitizer
HRIPT - 0 11811 11811 weak
HMT - 0 3240 - -

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: fragrance
Receptor targets: TR (thyroid histopathology)
LOEC: 50 mg/kg/day (LOAEL in vivo; EOGRTS)
EU status: allowed (allergen labeling ≥0.001% leave-on)

modulator (thyroid)

ECHA REACH Registration

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

Registration Type
Full
Tonnage Band
1,000 - 10,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
Hazard classification: Restricted (Annex XVII)

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.

SA Saudi SFDA (III - Restricted)
BRIN Brazil/India Cosmetics
Brazil: Restricted (Fragrance Allergen) · max >0.001% leave-on / >0.01% rinse-off requires labeling
India: Restricted
Additional Jurisdictional Restrictions (2)
Jurisdiction Status Max % Product Type
AU restricted 5.0 fragrances
GCC restricted 0.001 Leave-on products

Expanded Dermal Absorption Data

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

EPA Dryad Skin Absorption (physics-based)
MW: 154.253
LogP: 3.55828
Kp epidermis: 0.09682 cm/h
% dose epidermis: 0.84%
% dose stratum corneum: 0.9%
% dose dermis: 0.88%

Source: EPA_Dryad_Skin_Absorption_2024

Roberts Skin Permeation (Mendeley 2022)
MW: 154.25
Log Kow: 3.56
Log Kp: -1.0140143705888278
Log Jmax: -7.143573851798894

Source: Roberts_Cheruvu_Mendeley_2022

Aggregated DA Values (1 records across 5 sources)
Type DA % Method Skin Model SCCS Ref
measured_in_vitro 3.5-7.3 In vitro; flow-through diffusion cells; [14C]-labelled Human cadaver skin; occluded Gilpin et al. 2010 (Dermatitis) (2010)

IFRA Concentration Limits (12 Product Categories)

International Fragrance Association standards per product category. Restriction: Restriction. Effective: 2024-01-01.

Category Max % Category Max %
1 (Lip products) 0.5% 7a (Deodorant – not spray) 1.0%
2 (Body spray) 0.15% 7b (Deodorant spray) 1.0%
3 (Body cream) 0.5% 8 (Face cream) 0.17%
4 (Fine fragrance) 2.0% 9 (Soap) 2.5%
5a (Body lotion) 0.5% 10a (Household – non-spray) 2.5%
5b (Face cream leave-on) 0.5% 10b (Household – spray) No Restriction%
5c (Hand cream) 0.5% 11a (Intimate – leave-on) 0.17%
5d (Baby cream) 0.17% 11b (Intimate – rinse) 0.17%
6 (Mouthwash) 0.5% 12 (Not for consumer exposure) No Restriction%

Typical Use Concentrations

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

Product Category Typical Range Max Reported Source
Perfume 0.01–1 5 CIR/VCRP

Additional Ingredient Properties

10 property records from structured ingredient metadata.

acne
{"cas_number": "106-24-1", "anti_acne_mechanism": "antibacterial", "comedogenicity_rating_0_to_5": "2", "acne_type_efficacy": "inflammatory", "p_acnes_mic_ug_per_ml": "100-500", "sebum_reduction_pct_clinical": "5-10", "prescription_required_usa": "No", "otc_drug_monograph_category": "No", "max_otc_concentration_pct": "Max 1%", "japan_quasi_drug_anti_acne": "No", "korea_functional_cosmetic_acne": "…
allergen_detail
{"eu_allergen_listed": "yes", "allergen_class": "fragrance", "cross_reactivity_group": "fragrance-mix-I", "patch_test_frequency_pct": "1.1", "sensitization_rate": "moderate", "common_reaction_type": "contact-dermatitis", "ifra_restricted": "yes", "ifra_max_level_pct": "5.0", "source": "ESSCA/IVDK"}
concentration
{"min_concentration_pct": "0.01", "max_concentration_pct": "0.5", "typical_concentration_pct": "0.2", "product_type": "Moisturizer", "function_at_concentration": "Fragrance component, floral", "source": "EU Cosmetics Regulation (labeling required)"}
cost_pricing
{"cost_tier": "mid-range", "estimated_cost_per_kg_usd_low": "45", "estimated_cost_per_kg_usd_high": "85", "natural_premium_markup_pct": "0", "organic_certified_premium_pct": "0", "supply_chain_volatility": "medium", "primary_source_region": "China/India", "bulk_discount_threshold_kg": "50", "seasonal_price_variation": "medium", "commodity_or_specialty": "specialty", "substitute_ingredients": "Citr…
deodorant
{"cas_number": "106-24-1", "ingredient_class": "antimicrobial_deodorant", "mechanism_of_action": "bacterial_growth_inhibition", "antiperspirant_efficacy_sweat_reduction_pct": "0", "deodorant_efficacy_hours": "6-10", "odor_reduction_pct": "35-55", "bacteriostatic": "yes", "bactericidal": "yes", "target_bacteria": "Staphylococcus", "microbiome_impact": "selective", "axillary_microbiome_effect": "var…
dermal_absorption
{"molecular_weight_da": "154.3", "log_p_value": "3.28", "skin_penetration_level": "epidermis", "penetration_depth": "epidermis/dermis", "absorption_pct": "18-32", "systemic_absorption": "yes", "penetration_enhancer": "yes", "occlusion_effect": "no", "vehicle_dependent": "yes", "skin_barrier_effect": "neutral", "bioavailability_topical_pct": "12-28", "safety_margin_factor": "high", "source": "SCCS/…
ecotoxicity
{"biodegradable": "yes", "biodegradation_days": "7-14", "bioaccumulative": "no", "aquatic_toxicity_level": "moderate", "coral_reef_safe": "yes", "marine_toxicity": "moderate toxicity to fish", "freshwater_toxicity": "LC50 fish 1-10 mg/L", "endocrine_disruptor": "no", "persistent_organic_pollutant": "no", "microplastic": "no", "nano_particle": "no", "hawaii_banned": "no", "eu_restricted_environment…
fragrance
{"cas_number": "106-24-1", "ingredient_class": "natural_isolate", "chemical_class": "terpene", "odor_family": "floral", "odor_description": "Sweet rose, geranium-like with citrus notes", "odor_strength": "strong", "odor_tenacity_hours": "2.8", "top_note": "yes", "heart_note": "yes", "base_note": "no", "blending_factor_1_10": "8.0", "threshold_of_detection_ppb": "40.0", "molecular_weight_Da": "154.…

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Biocide Deodorizer Flavouring and nutrient Fragrance Humectant No specific technical function
Regulatory List Membership (6)
EU Regulated in Personal Care EU Restricted for Children (Cosmetics) IFRA Fragrance Transparency List FDA Substances Added to Food (EAFUS) Consumer Product Chemical EU CosIng Cosmetics Ingredient Database

Expert Verdict

Expert safety assessment and concern-level summary for Geraniol.

Regulatory Flags

eu-26-allergen label-declaration-required contact-allergen natural-origin eu_children_restricted ifra_fragrance fda_food_additive eu_cosing_listed jecfa_safe

NOAEL Studies Summary

View details ->

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

Studies
21
Lowest NOAEL
50 mg/kg bw/day
Highest NOAEL
1000 mg/kg bw/day
COSMOS_DB ToxValDB_ECHA_IUCLID ECHA_REACH_reach_study_results_dossiers_23-05-2023.zip

Dermal Absorption

View details ->
Absorption % Method Vehicle
3.5-7.3 In vitro; flow-through diffusion cells; [14C]-labelled 3:1 DEP/ethanol

Chemical Function

Fragrance

Regulatory Lists

Europe; Personal care; restricted Europe air; Cleaning products and household care - air freshener; detected; emissions; Europe Cleaning products and household care - air freshener; Europe Cleaning products and household care - air freshener; Europe active_ingredient; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides active_ingredient; Europe; Pesticides Cleaning products and household care - air freshener; detected; Europe; Vehicle - car interior - auto air freshener Europe; Personal care - body hygiene - hand soap active_ingredient; Europe; Pesticides active_ingredient; Pesticides

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
GERANIOL
ChEMBL ID
CHEMBL25719
View full pharmaceutical profile →

Frequently Asked Questions

Is Geraniol safe in cosmetics?

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

Is Geraniol allowed in the EU?

Geraniol EU regulatory status: restricted. Maximum allowed concentration: 10 ppm in leave-on products, 100 ppm in rinse-off products. This is based on EU Regulation 1223/2009 and its amendments.

What does Geraniol do in cosmetics?

Geraniol functions as: fragrance; antimicrobial. It is classified as a Fragrance in our database. CAS number: 106-24-1.

What is the NOAEL for Geraniol?

The NOAEL (No Observed Adverse Effect Level) for Geraniol is 50 mg/kg bw/day based on a Subchronic study via oral route in rat. A total of 3 study endpoints are available. Source: COSMOS_DB.

Is Geraniol used outside cosmetics?

Geraniol also appears in pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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