buffering agent

2Na Succinic Acid

Buffering agent, pH adjuster, mild exfoliant, antimicrobial
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details

Description

Buffering agent, pH adjuster, mild exfoliant, antimicrobial

Purpose

Function

Buffering agent, pH adjuster, mild exfoliant, antimicrobial
Profile

Properties

Silicone
Silicone free
Compliance

Regulatory Status

EU
Permitted
Safety
GOOD
US
Permitted
Absorptionlow
Sensitizationlow
MoSnot established
NOAEL950 mg/kg
ConcernLow
Verdict

Succinic Acid (CAS 110-15-6) is permitted in cosmetics under EC Regulation 1223/2009 with no Annex restrictions. US: No FDA restrictions. CIR review of dicarboxylic acids group is ongoing with draft presented June 2025. Non-sensitizing but severe eye irritant in neat form; use appropriate eye protection during handling. Endogenous metabolite with wide de facto safety margin at typical cosmetic concentrations of 0.5-2%.

US Note

No FDA restrictions for cosmetic use. Not classified as a drug or sunscreen active. CIR Dicarboxylic Acids review draft presented June 2025; final safety conclusion pending. No ADI established by EU for food additive E 363.

Assessment

Ratings

Comedogenic0/5
LowHigh
Irritancy0/5
LowHigh
Reference

Identifiers

Category
buffering agent
Updated
Apr 23, 2026

No registry identifiers available for this ingredient.