Atelocollagen
AKA “Soluble Collagen, Acid-Soluble Collagen”
Skin Conditioning
Ingredient Facts
Atelocollagen
AKA: Soluble Collagen, Acid-Soluble Collagen
Skin Conditioning · Skin Conditioning · EWG: 1
Synthetic
Skin Conditioner
Marine
Clean
Atelocollagen is the protein obtained when the telopeptides are enzymatically removed from collagen
Effective at 8.25%
CAS #
9007-34-5
Form
Powder
See origin →
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Boosts collagen production
Locks in moisture
Traditional Use
Derived from collagen with the terminal telopeptides removed, developed in the 1970s-1980s to reduce allergenicity while maintaining collagen's historical use in skincare for skin firmness and hydration.
Skin Types
●all-skin-types, gentle
Best For
Loss of Elasticity
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
ewg-1
medical-approval
pregnancy-nursing-safe
all-shades-safe
Concentration Guide
4e-06%
16.5%
0%100%
Effective Range
CIR reported use: 0.000004-6 | 0.00003-16.5
Regulatory Agencies
Atelocollagen
European Commission
EU Cosmetic Ingredient Database (CosIng)
Soluble Collagen
European Commission
EU Cosmetic Ingredient Database (CosIng)
Atelocollagen
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Soluble Collagen
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Jun 2026
Data: CosIng · EWG · CIR