ROSMARINUS OFFICINALIS LEAF EXTRACT

ROSMARINUS OFFICINALIS LEAF EXTRACT (CAS 84604-14-8) is a cosmetic antioxidant functioning as Botanical antioxidant preservative and active from Rosmarinus officinalis. 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 and food safety data.

View industrial chemical safety profile for CAS 84604-14-8 →

Auto-generated CPSR Part A draft with source citations
Function
Botanical antioxidant preservative and active from Rosmarinus officinalis (rosemary) leaves. Active constituents: carnosic acid and carnosol (diterpene phenols — primary chain-breaking antioxidants), rosmarinic acid (polyphenol — radical scavenger and anti-inflammatory), ursolic acid, and caffeic acid. Multiple antioxidant mechanisms: HAT (carnosic acid/carnosol), SET (rosmarinic acid), and chelation of pro-oxidant metal ions. ISO 16128 NI=1. Used as natural alternative to synthetic antioxidants (BHT, BHA) for product stabilisation and as anti-inflammatory skin active. Anti-microbial secondary activity (limited broad-spectrum efficacy vs synthetic preservatives).
Safety Rating
GOOD

Chemistry & Identifiers

EC Number
283-291-9

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Permitted without restriction. GRAS for food use (rosemary extract). ISO 16128 NI=1. CRITICAL STABILITY WARNING: rosemary extract (ORE) acts as a pro-oxidant at 40°C in fatty acid/oil systems (documented in raspberry seed oil nanoemulsion stability study). This is temperature-sensitive behaviour not seen with synthetic antioxidants (BHT remained stable at 40°C in the same study). Stability testing at 40°C/75% RH is mandatory for products using rosemary as primary antioxidant. MoCRA safety substantiation required.

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for ROSMARINUS OFFICINALIS LEAF EXTRACT.

Calculate MoS for your specific formulation with the MoS Calculator.

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

Typical Use Concentrations

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

Product Category Typical Range Max Reported Source
Face Cream 0.01–0.5 1 CIR/VCRP

Additional Ingredient Properties

1 property record from structured ingredient metadata.

anti_aging
{"anti_aging_claim": "antioxidant-protection, anti-wrinkle", "mechanism_of_action": "Carnosic acid, rosmarinic acid", "target_skin_layer": "epidermis", "collagen_stimulation": "No", "elastin_protection": "Mild", "wrinkle_reduction_pct": "6-12", "clinical_study_duration_weeks": "8", "sample_size": "30", "double_blind": "Yes", "placebo_controlled": "Yes", "published_journal": "Phytotherapy Research,…

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Antioxidant Biocide Deodorizer Flavouring and nutrient Fragrance Humectant Softener and conditioner
Regulatory List Membership (3)
EU Regulated in Personal Care EU Restricted for Children (Cosmetics) FDA Substances Added to Food (EAFUS)

Expert Verdict

Expert safety assessment and concern-level summary for ROSMARINUS OFFICINALIS LEAF EXTRACT.

Regulatory Flags

antioxidant natural-source iso-16128-ni1 pro-oxidant-at-40c temperature-sensitive stability-risk not-standalone-preservative anti-inflammatory cosmos-approved warm-climate-caution eu_children_restricted fda_food_additive

Chemical Function

Biocide Antioxidant Deodorizer

Regulatory Lists

inert_ingredient; non_food_use; Pesticides Europe; Personal care - body oil food_additive; Substances Added to Food (formerly EAFUS) (2/2019) active_ingredient; Europe; Pesticides Europe; Personal care children; Europe; Personal care Europe; Personal care Europe; Personal care Europe; Personal care Europe; Personal care Europe; Personal care Europe; Personal care Europe; Personal care Europe; Personal care Europe; Personal care Europe; Personal care

Australian Status

AICIS status: listed

Cross-Vertical Safety Context

Same-CAS public records found in food safety data.

SOURCE EFSA / FDA GRAS food_additives

Food Safety Data

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

Food Name
Rosemary extract
E Number
E392
ADI
Temporary ADI of 0–0.3 mg/kg bw (expressed as carnosic acid and carnosol) mg/kg bw
Food Category
preservative
View full food safety profile →

Frequently Asked Questions

Is ROSMARINUS OFFICINALIS LEAF EXTRACT safe in cosmetics?

ROSMARINUS OFFICINALIS LEAF EXTRACT has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.

Is ROSMARINUS OFFICINALIS LEAF EXTRACT allowed in the EU?

ROSMARINUS OFFICINALIS LEAF EXTRACT EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does ROSMARINUS OFFICINALIS LEAF EXTRACT do in cosmetics?

ROSMARINUS OFFICINALIS LEAF EXTRACT functions as: Botanical antioxidant preservative and active from Rosmarinus officinalis (rosemary) leaves. Active constituents: carnosic acid and carnosol (diterpene phenols — primary chain-breaking antioxidants), rosmarinic acid (polyphenol — radical scavenger and anti-inflammatory), ursolic acid, and caffeic acid. Multiple antioxidant mechanisms: HAT (carnosic acid/carnosol), SET (rosmarinic acid), and chelation of pro-oxidant metal ions. ISO 16128 NI=1. Used as natural alternative to synthetic antioxidants (BHT, BHA) for product stabilisation and as anti-inflammatory skin active. Anti-microbial secondary activity (limited broad-spectrum efficacy vs synthetic preservatives).. It is classified as a Antioxidant in our database. CAS number: 84604-14-8.

Is ROSMARINUS OFFICINALIS LEAF EXTRACT used outside cosmetics?

ROSMARINUS OFFICINALIS LEAF EXTRACT also appears in industrial chemical safety and food safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

Does ROSMARINUS OFFICINALIS LEAF EXTRACT have different safety status in cosmetics vs industrial chemicals?

ROSMARINUS OFFICINALIS LEAF EXTRACT is classified GHS Danger (H226, H304, H317, H332, H371, H373, H411) in the chemicals database but is allowed in EU cosmetics.

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