Also known as: 1,2-Dihydroxyoctane, EINECS 214-254-7, NSC 71546, UNII-00YIU5438U, 1,2-octylene glycol (+3 more)
INCI: CAPRYLYL GLYCOL
Caprylyl Glycol (CAS 1117-86-8) is a cosmetic humectant functioning as Humectant, skin conditioning agent, antimicrobial booster. NOAEL 150 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); 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 pharmaceutical data.
US NotesCIR reviewed as 1,2-glycol group; safe at reported use concentrations; antimicrobial booster at 0.3-1%
For full compliance data across multiple jurisdictions, use the
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Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Caprylyl Glycol.
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Pre-Calculated Safety Assessment
Pre-calculated NOAEL → SED → MoS audit trail for Caprylyl Glycol across SCCS product categories, with measured dermal absorption where available.
Sensitization Profile
Contact sensitization data for Caprylyl Glycol based on clinical patch test studies and IFRA standards.
Sensitization Rate
low
Allergen Class
preservative
EU Allergen Listed
no
Patch Test Positive Rate
0.1%
Cross-reactivity Group
none
Reaction Type
contact-dermatitis
Source: ESSCA; IVDK; NACDG
Dermal Penetration Profile
Skin absorption and penetration characteristics of Caprylyl Glycol, relevant to systemic exposure and MoS calculations.
Absorption %
10-18%
Penetration Level
epidermis
Penetration Depth
epidermis
Molecular Weight
146.2 Da
Log P
1.0
Systemic Absorption
minimal
Topical Bioavailability
6-14%
Safety Margin Factor
moderate
Vehicle Dependent
Yes — absorption varies by formulation
Source: Cosmetic Science
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
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
CN
permitted_preservative
-
All cosmetics
Typical Use Concentrations
Reported concentration ranges per product category from SCCS/CIR/industry sources.
Product Category
Typical Range
Max Reported
Source
Face Cream
0.3–0.8
1
CIR Safety Assessment
Serum
0.3–0.8
1
CIR Safety Assessment
Function Categories & List Membership
Cosmetic/Chemical Function Categories
AntioxidantBiocideDeodorizerFragranceHumectantPreservativeSoftener and conditioner
Regulatory List Membership (3)
EU Regulated in Personal CareIFRA Fragrance Transparency ListEPA Safer Chemical Ingredients List (SCIL)
Editorial summary
Preliminary editorial summary for Caprylyl Glycol — not a computed safety verdict. See the sourced toxicological data above.
Caprylyl Glycol has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Is Caprylyl Glycol allowed in the EU?
Caprylyl Glycol EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Caprylyl Glycol do in cosmetics?
Caprylyl Glycol functions as: Humectant, skin conditioning agent, antimicrobial booster. It is classified as a Humectant in our database. CAS number: 1117-86-8.
Is Caprylyl Glycol used outside cosmetics?
Caprylyl Glycol 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.
Compliance Tools
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