Cosmetic Ingredient

Ammonia

INCI: AMMONIA
CAS 7664-41-7 EC 231-635-3
Ammonia, anhydrous
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details

Description

Ammonia, anhydrous

Purpose

Function

pH adjuster, buffering agent
Profile

Properties

Silicone
Silicone free
Compliance

Regulatory Status

EU
Restricted
Safety
MODERATE
US
Permitted
EU Max Concentration6%
Absorptionlow
Sensitizationlow
MoSadequate
NOAEL37.3 mg/kg
ConcernModerate
Flags
endocrine_disruptoreu_cosing_listed
Verdict

Corrosive and caustic at high concentrations; severe respiratory irritant; causes chemical burns to eyes and mucous membranes; strict pH ceilings mandated in EU.

US Note

Permitted; no specific concentration limits under FDA. Subject to general safety requirements under MoCRA.

Assessment

Ratings

Comedogenic0/5
LowHigh
Irritancy0/5
LowHigh
Reference

Identifiers

CAS Number
7664-41-7
EC Number
231-635-3
INCI
AMMONIA
Category
Cosmetic Ingredient
Updated
Apr 2, 2026