Also known as: Glucono delta lactone, Deltagluconolactone, EINECS 202-016-5, Gluconic delta-lactone, D-Gluconic delta-lactone (+14 more)
INCI: GLUCONOLACTONE
Glucono Delta-Lactone (CAS 90-80-2) is a cosmetic cosmetic ingredient functioning as pH adjuster, chelating agent, humectant, exfoliant (PHA). NOAEL 560 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, pharmaceutical, and food safety data.
US NotesGRAS status as food additive; widely used in cosmetics as PHA exfoliant; no concentration restrictions
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Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Glucono Delta-Lactone.
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Toxicological Studies
8 study endpoints found for Glucono Delta-Lactone. 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
500 mg/kg bw/day
oral
rat
Chronic
COSMOS DB
NOAEL
560 mg/kg bw/day
oral
hamster
Developmental
COSMOS DB
NOAEL
594 mg/kg bw/day
oral
rat
Developmental
COSMOS DB
NOAEL
695 mg/kg bw/day
oral
mouse
Developmental
COSMOS DB
NOAEL
780 mg/kg bw/day
oral
rabbit
Developmental
COSMOS DB
NOAEL
=560 mg/kg bw/day
oral
Hamster
reproduction developmental
ECHA
NOAEL
=594 mg/kg bw/day
oral
Rat
reproduction developmental
ECHA
NOAEL
=695 mg/kg bw/day
oral
Mouse
reproduction developmental
ECHA
Pre-Calculated Safety Assessment
Pre-calculated NOAEL → SED → MoS audit trail for Glucono Delta-Lactone across SCCS product categories, with measured dermal absorption where available.
Dermal Penetration Profile
Skin absorption and penetration characteristics of Glucono Delta-Lactone, relevant to systemic exposure and MoS calculations.
Absorption %
2-5%
Penetration Level
surface
Penetration Depth
stratum corneum
Molecular Weight
178.1 Da
Log P
-2.1
Systemic Absorption
minimal
Topical Bioavailability
1-3%
Safety Margin Factor
minimal
Vehicle Dependent
Yes — absorption varies by formulation
Source: Dermatol Surg 2004
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
Function Categories & List Membership
Cosmetic/Chemical Function Categories
AntioxidantChelating agentChemical reaction regulatorFlavouring and nutrientFood preservativeFragranceHumectantLeavening agentPreservativeProcessing aids not otherwise specified
Regulatory List Membership (2)
EPA Safer Chemical Ingredients List (SCIL)FDA Substances Added to Food (EAFUS)
Editorial summary
Preliminary editorial summary for Glucono Delta-Lactone — not a computed safety verdict. See the sourced toxicological data above.
Glucono Delta-Lactone has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted. 8 toxicological study endpoint(s) are available in our database.
Is Glucono Delta-Lactone allowed in the EU?
Glucono Delta-Lactone EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Glucono Delta-Lactone do in cosmetics?
Glucono Delta-Lactone functions as: pH adjuster, chelating agent, humectant, exfoliant (PHA). It is classified as a cosmetic ingredient in our database. CAS number: 90-80-2.
What is the NOAEL for Glucono Delta-Lactone?
The NOAEL (No Observed Adverse Effect Level) for Glucono Delta-Lactone is 500 mg/kg bw/day based on a Chronic study via oral route in rat. A total of 8 study endpoints are available. Source: COSMOS DB.
Is Glucono Delta-Lactone used outside cosmetics?
Glucono Delta-Lactone also appears in industrial chemical safety, pharmaceutical, and food safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
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