Skin Conditioning

Atelocollagen

INCI: ATELOCOLLAGEN
CAS 9007-34-5 EC 232-697-4
Atelocollagen is the protein obtained when the telopeptides are enzymatically removed from collagen
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details

Description

Atelocollagen is the protein obtained when the telopeptides are enzymatically removed from collagen

Purpose

Function

Skin conditioning
Profile

Properties

Silicone
Silicone free
Compliance

Regulatory Status

EU
Permitted
Safety
MODERATE
US
Permitted
Absorptionlow
Sensitizationlow
MoSnot established
ConcernHigh
Flags
fda_food_additive
Verdict

Animal-derived (typically bovine or porcine), raising BSE/TSE sourcing considerations - suppliers must provide certificates of origin from BSE-free countries; the telopeptide removal process significantly reduces immunogenicity compared to native collagen; acute oral toxicity LD50 > 20 mL/kg (rat). Produced by enzymatic (pepsin) treatment of native collagen to cleave the immunogenic telopeptide regions while preserving the triple-helix structure; lower molecular weight than intact collagen al...

US Note

Allowed - CIR (Cosmetic Ingredient Review) Expert Panel concluded it is safe in present practices of use and concentration as part of their assessment of skin and connective tissue-derived proteins

Assessment

Ratings

Comedogenic0/5
LowHigh
Irritancy0/5
LowHigh
Reference

Identifiers

CAS Number
9007-34-5
EC Number
232-697-4
INCI
ATELOCOLLAGEN
Category
Skin Conditioning
Updated
Apr 23, 2026