Excellent Antioxidant SCCS/CIR Reviewed

Ubiquinone

Also known as: Coenzyme Q(sub 10), CoQ(sub 10), EINECS 206-147-9, Emitolon, Heartcin (+15 more)

INCI: UBIQUINONE

Ubiquinone (CAS 303-98-0) is a cosmetic antioxidant functioning as Antioxidant; mitochondrial electron transport chain protector; anti-pollution. EU Regulation 1223/2009 status: permitted; 5 safety opinions reviewed (cir). 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 303-98-0 →

Auto-generated CPSR Part A draft with source citations
Function
Antioxidant; mitochondrial electron transport chain protector; anti-pollution active; HEV mitochondrial stress protectant; endogenous lipophilic antioxidant; energy metabolism cofactor
Safety Rating
EXCELLENT

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes CIR Expert Panel found safe as used in cosmetics; widely used at 0.01–1% in anti-aging, anti-pollution, and mitochondrial protection formulations; no concentration restrictions

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Safety Opinions

Official safety assessments from the Scientific Committee on Consumer Safety (SCCS) and Cosmetic Ingredient Review (CIR).

cir April 14, 2022
Verdict: safe
NOAEL: 600 mg/kg/d (oral)

ne ingredients as used in cosmetic formulations. The Panel concluded that these 4 Ubiquinone ingredients are safe in the present practices of use and concentrations described in this safety assessment. The Panel noted that Hydroxydecyl Ubiquinone is a synthetic analog of Ubiquinone with a shorter chain structu

cir April 14, 2022
Verdict: safe
NOAEL: 500 mg/kg/d (not specified)

ne ingredients as used in cosmetic formulations. The Panel concluded that these 4 Ubiquinone ingredients are safe in the present practices of use and concentrations described in this safety assessment. The Panel noted that Hydroxydecyl Ubiquinone is a synthetic analog of Ubiquinone with a shorter chain structu

cir April 14, 2022
Verdict: safe
NOAEL: 200 mg/kg/d (oral)

ne ingredients as used in cosmetic formulations. The Panel concluded that these 4 Ubiquinone ingredients are safe in the present practices of use and concentrations described in this safety assessment. The Panel noted that Hydroxydecyl Ubiquinone is a synthetic analog of Ubiquinone with a shorter chain structu

cir April 14, 2022
Verdict: safe
NOAEL: 1200 mg/kg/d (not specified)

ne ingredients as used in cosmetic formulations. The Panel concluded that these 4 Ubiquinone ingredients are safe in the present practices of use and concentrations described in this safety assessment. The Panel noted that Hydroxydecyl Ubiquinone is a synthetic analog of Ubiquinone with a shorter chain structu

cir April 14, 2022
Verdict: safe
NOAEL: 1200 mg/kg/d (oral)

ne ingredients as used in cosmetic formulations. The Panel concluded that these 4 Ubiquinone ingredients are safe in the present practices of use and concentrations described in this safety assessment. The Panel noted that Hydroxydecyl Ubiquinone is a synthetic analog of Ubiquinone with a shorter chain structu

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.

JPKR Japan/Korea Cosmetics
Japan (Restricted): max 0.03
Japan (Restricted): max 0.03%
Additional Jurisdictional Restrictions (1)
Jurisdiction Status Max % Product Type
JP restricted 0.03% Wash-away: 0.03% | Leave-on: 0.03% | Mucosa: Prohibited

Typical Use Concentrations

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

Product Category Typical Range Max Reported Source
Face Cream 0.05–0.3 1 CIR/VCRP

Additional Ingredient Properties

1 property record from structured ingredient metadata.

baby_pediatric
{"cas_number": "303-98-0", "ingredient_class": "other", "pediatric_safety_rating": "good", "minimum_age_months": "12", "neonatal_safe": "no", "premature_infant_safe": "insufficient_data", "skin_barrier_maturity_consideration": "Coenzyme Q10", "transepidermal_absorption_risk_pediatric": "low", "systemic_exposure_concern_pediatric": "low", "dose_per_kg_body_weight_concern": "Appropriate dosing impor…

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Antioxidant Pharmaceutical Softener and conditioner

Expert Verdict

Expert safety assessment and concern-level summary for Ubiquinone.

Regulatory Flags

anti-pollution hev-protection mitochondrial-protector lipophilic age-related-decline electron-transport-chain endogenous vitamin-e-synergy anti-aging

Known Synonyms

Coenzyme Q(sub 10) CoQ(sub 10) EINECS 206-147-9 Emitolon Heartcin Inokiten Justquinon Terekol Ubiquinone Q(sub 10) Udekinon Luvacor Mitoquinone Ubidecarenona Ubidecarenonum Coenzyme Q 10 UNII-EJ27X76M46 Co-enzyme Q-10 (all-E)-2,3-dimethoxy-5-methyl-6-(3,7,11,15,19,23,27,31-octamethyl-2,6,10,14,18,22,26,30-dotriacontaoctaenyl)-2,5-Cyclohexadiene-1,4-dione (all-E)-2-(3,7,11,15,19,23,27,31,35,39-decamethyl-2,6,10,14,18,22,26,30,34,38-tetracontadecaenyl)-5,6-dimethoxy-3-methyl-2,5-Cyclohexadiene-1,4-dione 2-(3,7,11,15,19,23,27,31,35,39-Decamethyl-2,6,10,14,18,22,26,30,34,38-tetracontadecaenyl)-5,6-dimethoxy-3-methyl-p-Benzoquinone

Chemical Function

Antioxidant Softener and conditioner Pharmaceutical

Regulatory Lists

Canada; consumer_product; Substances in Products - Canada (4/2014) pharmaceutical Canada; pharmaceutical pharmaceutical Canada; pharmaceutical Canada; pharmaceutical Canada; pharmaceutical pharmaceutical Canada; Personal care; Substances in PCP - Canada (4/2014)

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
UBIDECARENONE
ChEMBL ID
CHEMBL454801
Max Phase
3
Adverse Event Associations
4018
View full pharmaceutical profile →

Frequently Asked Questions

Is Ubiquinone safe in cosmetics?

Ubiquinone has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted. This ingredient has been reviewed by cir.

Is Ubiquinone allowed in the EU?

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

What does Ubiquinone do in cosmetics?

Ubiquinone functions as: Antioxidant; mitochondrial electron transport chain protector; anti-pollution active; HEV mitochondrial stress protectant; endogenous lipophilic antioxidant; energy metabolism cofactor. It is classified as a Antioxidant in our database. CAS number: 303-98-0.

Is Ubiquinone used outside cosmetics?

Ubiquinone 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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