Is Eucalyptus Oil safe in cosmetics?
Eucalyptus Oil has a safety rating of "MODERATE" in our database. EU status: restricted. US status: permitted. 10 toxicological study endpoint(s) are available in our database.
Eucalyptus Oil
Also known as: Oils, eucalyptus, Caswell No. 618A, EPA Pesticide Chemical Code 040503, Eucalyptus absolute, Eucalyptus citriodora (+12 more)
INCI: EUCALYPTUS OIL
Eucalyptus Oil (CAS 8000-48-4) is a cosmetic cosmetic ingredient functioning as Fragrance, masking agent, denaturant. Reported NOAEL =100 mg/kg bw/day in rat (CIR_vision_codex); EU Regulation 1223/2009 status: restricted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in pharmaceutical and food safety data.
View industrial chemical safety profile for CAS 8000-48-4 →
Auto-generated CPSR Part A draft with source citations
Function
Fragrance, masking agent, denaturant
Safety Rating
MODERATE
Regulatory Status
EU EU Status
restricted
US US Status
permitted
US Notes
Permitted — no 21 CFR restriction; CIR Panel concluded safe in present practices of use when formulated to be non-sensitizing (2023)
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Eucalyptus Oil.
Calculate MoS for your specific formulation with the MoS Calculator.
Toxicological Studies
10 study endpoints found for Eucalyptus Oil. 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 | =100 mg/kg bw/day | - | rat | NOAEL study | CIR_vision_codex |
| NOAEL | =100 mg/kg bw/day | - | rat | NOAEL study | CIR_vision_codex |
| NOAEL | =100 mg/kg bw/day | - | rat | NOAEL study | CIR_vision_codex |
| NOAEL | =100 mg/kg bw/day | - | rat | NOAEL study | CIR_vision_codex |
| NOAEL | =300 mg/kg | oral | rat | oral toxicity | CIR_vision_codex |
| NOAEL | =300 mg/kg | oral | rat | oral toxicity | CIR_vision_codex |
| NOAEL | =300 mg/kg | oral | rat | oral toxicity | CIR_vision_codex |
| NOAEL | =300 mg/kg | oral | rat | oral toxicity | CIR_vision_codex |
| NOAEL | =1000 mg/kg | oral | rat | oral toxicity | CIR_vision_codex |
| NOAEL | =1000 mg/kg | oral | rat | oral toxicity | CIR_vision_codex |
Dermal Penetration Profile
Skin absorption and penetration characteristics of Eucalyptus Oil, relevant to systemic exposure and MoS calculations.
Absorption %
18-32%
Penetration Level
epidermis
Penetration Depth
epidermis/dermis
Molecular Weight
154.3 Da
Log P
3.1
Systemic Absorption
yes
Topical Bioavailability
12-28%
Safety Margin Factor
very-high
Vehicle Dependent
Yes — absorption varies by formulation
Source: IFRA
EPA ToxValDB — Toxicity Values
3 toxicity values from EPA ToxValDB (aggregated from CCTE, HPV, ToxRefDB, IRIS, and other regulatory dossiers).
| Endpoint | Value | Species | Route | Duration | Source |
|---|---|---|---|---|---|
| LD50 | <5000 mg/kg | Rabbit | dermal | acute | ECHA IUCLID |
| LD50 | =2480 mg/kg | Rabbit | dermal | acute | ECHA IUCLID |
| LD50 | =2480 mg/kg | Rat | oral | - | TEST |
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.
Additional Jurisdictional Restrictions (1)
| Jurisdiction | Status | Max % | Product Type |
|---|---|---|---|
| CA | restricted | 25% | All cosmetics |
Additional Ingredient Properties
10 property records from structured ingredient metadata.
comedogenicity_detail
{"comedogenicity_rating": "0", "irritancy_rating": "3", "skin_type_suitability": "oily,combination", "acne_safe": "caution", "source": "Essential oil studies"}
dermal_absorption
{"molecular_weight_da": "154.3", "log_p_value": "3.1", "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": "very-high", "source": "I…
ecotoxicity
{"biodegradable": "yes", "biodegradation_days": "28-60", "bioaccumulative": "no", "aquatic_toxicity_level": "moderate", "coral_reef_safe": "yes", "marine_toxicity": "moderate aquatic toxicity", "freshwater_toxicity": "toxic at high conc", "endocrine_disruptor": "no", "persistent_organic_pollutant": "no", "microplastic": "no", "nano_particle": "no", "hawaii_banned": "no", "eu_restricted_environment…
fragrance_ifra
{"cas_number": "8000-48-4", "ifra_amendment_number": "49", "ifra_restriction_type": "Restricted", "ifra_max_use_level_category_1_pct": "0.17", "ifra_max_use_level_category_4_pct": "2.6", "ifra_max_use_level_category_7_pct": "0.40", "ifra_max_use_level_category_11_pct": "0.080", "eu_allergen_declaration_required": "No", "eu_26_allergens_list": "No", "sccs_opinion_available": "Yes", "sensitization_p…
hair_care
{"hair_function": "scalp-care", "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": "no", "heat_protectant": "yes", "color_safe": "neutral", "kerati…
interactions
{"ingredient_2": "Retinol", "interaction_type": "sensitizing_combo", "severity": "avoid", "effect": "1,8-cineole irritation on compromised barrier", "recommendation": "Avoid; incompatible with barrier-disrupting actives", "data_source": "Formulation science literature, dermatological research, cosmetic chemistry best practices", "last_updated": "2026-03-05"}
microbiome_impact
{"microbiome_effect": "mixed", "prebiotic": "no", "probiotic_compatible": "no", "antimicrobial_spectrum": "broad", "preservative_effect_on_microbiome": "Broad antimicrobial; reduces microbiome diversity; can disrupt commensals", "skin_flora_disruption": "moderate", "gut_microbiome_risk": "low", "microbiome_recovery_time": "7-14 days", "selective_antimicrobial": "partial", "pathogen_inhibition": "S…
pediatric_safety
{"safe_for_newborn_0_6m": "avoid", "safe_for_infant_6_12m": "avoid", "safe_for_toddler_1_3y": "avoid", "safe_for_child_3_12y": "avoid", "safe_for_teen_12_18y": "caution", "pediatric_max_concentration_pct": "0.0", "adult_max_concentration_pct": "1.0", "pediatric_dermal_absorption_factor": "higher", "immature_skin_barrier_risk": "high", "oral_ingestion_risk": "high", "eye_irritation_risk": "moderate…
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Biocide
Deodorizer
Flavouring and nutrient
Fragrance
Humectant
Pharmaceutical
Softener and conditioner
Regulatory List Membership (5)
EU Regulated in Personal Care
EU Restricted for Children (Cosmetics)
IFRA Fragrance Transparency List
FDA Substances Added to Food (EAFUS)
Consumer Product Chemical
Expert Verdict
Expert safety assessment and concern-level summary for Eucalyptus Oil.
Regulatory Flags
plant-oil
potential-allergen
fragrance-component
eu_children_restricted
ifra_fragrance
fda_food_additive
NOAEL Studies Summary
View details ->Public NOAEL study rows linked to Eucalyptus Oil by CAS number or substance name.
Studies
12
Lowest NOAEL
100
Highest NOAEL
1000
Units vary across source rows: mg/kg bw/day, mg/kg
CIR_vision_codex
Known Synonyms
Oils, eucalyptus
Caswell No. 618A
EPA Pesticide Chemical Code 040503
Eucalyptus absolute
Eucalyptus citriodora
Eucalyptus citriodora distillate
Eucalyptus globulus oil
Eucalyptus oil citriodora
FEMA No. 2466
Oil eucalyptus globulus or macarthuri
Essential oils, eucalyptus
Oils, essential, eucalyptus
Essential eucalyptus oil
Eucalyptus terpene oil
Eukalyptus oel
UNII-2R04ONI662
UNII-M63U6N96EB
Chemical Function
Fragrance
Regulatory Lists
IFRA Transparency
IFRA Transparency
consumer_product
IFRA Transparency
IFRA Transparency
IFRA Transparency
Europe; Personal care
Europe; Personal care
Europe; Personal care
Europe; Personal care
children; Europe; Personal care
children; Europe; Personal care - specialized bath products - bubble bath
IFRA Transparency
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
Australian Status
AICIS status: listed
Cross-Vertical Safety Context
Same-CAS public records found in pharmaceutical and food safety data.
SOURCE
ChEMBL / DrugCentral / FAERS
DB_PHARMA count match
Pharmaceutical Data
Same-CAS rows from the pharmaceutical spoke database.
Adverse Event Associations
26
SOURCE
EFSA / FDA GRAS
food_additives
Food Safety Data
Same-CAS food additive or FDA GRAS records from the core public database.
Food Name
EUCALYPTUS, OIL (EUCALYPTUS GLOBULUS LABILLE)
Food Category
flavoring
Frequently Asked Questions
Is Eucalyptus Oil allowed in the EU?
Eucalyptus Oil EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.
What does Eucalyptus Oil do in cosmetics?
Eucalyptus Oil functions as: Fragrance, masking agent, denaturant. It is classified as a cosmetic ingredient in our database. CAS number: 8000-48-4.
What is the NOAEL for Eucalyptus Oil?
The NOAEL (No Observed Adverse Effect Level) for Eucalyptus Oil is =100 mg/kg bw/day based on a NOAEL study study via oral route in rat. A total of 10 study endpoints are available. Source: CIR_vision_codex.
Is Eucalyptus Oil used outside cosmetics?
Eucalyptus Oil also appears in pharmaceutical and food safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check Eucalyptus Oil compliance across multiple jurisdictions:
Ingredient Decoder
Paste a full ingredient list for instant analysis
82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
Related Ingredients
2,6-Dimethyl-7-octen-2-ol (Dihydromyrcenol)
Excellent
Same category
Fragrance (perfuming), masking
2-Ethoxy-2,6,6-Trimethyl-9-Methylenebicyclo[3.3.1]Nonane (Boisiris™)
Excellent
Same category
Fragrance (rich woody, orris/iris roo...
3,6-Dimethyl-3-Octyl Acetate
Excellent
Same category
Fragrance / Perfuming agent with flor...
3-Methyl-5-(2,2,3-Trimethyl-3-Cyclopentenyl)Pent-4-En-2-Ol (Sandalore)
Excellent
Same category
Perfuming / Fragrance (sandalwood note)
4-Tert-Butylcyclohexyl Acetate
Excellent
Same category
Fragrance
Acetoin
Excellent
Same category
Skin conditioning, fragrance
(20S)-Protopanaxadiol
Moderate
Similar safety
(Cnidium Officinale/Coptis Chinensis/Glycyrrhiza Uralensis) Root Extract
Moderate
Similar safety
Skin conditioning
(Cryptomeria Japonica/Chamaecyparis Obtusa) Stem Ferment Extract
Moderate
Similar safety
Antimicrobial, antioxidant, humectant
(Eclipta Prostrata/Houttuynia Cordata) Leaf Extract
Moderate
Similar safety
Skin conditioning
(Lepidium Meyenii/Sarcodon Aspratus) Root Water
Moderate
Similar safety
Skin conditioning
(Licorice/Reynoutria Japonica) Root/Stem Extract
Moderate
Similar safety
Skin conditioning, antioxidant
Allium Sativum Bulb Oil
Good
Chemical family
Masking, Skin conditioning
Cardamom Seed Oil
Moderate
Chemical family
Fragrance, Tonic, Antimicrobial, Anti...
Carum Carvi Fruit Oil
Moderate
Chemical family
Perfuming, skin conditioning, masking...
Is Eucalyptus Oil in Your Products?
Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.
Try Piro Free →Analyze Your Full Ingredient List
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Eucalyptus Oil in your formulation.