Collagen
AKA: Protein
Synthetic
Skin Conditioner
Hair Care
Marine
Clean
Collagens. A fibrous protein comprising one third of the total protein in mammalian organisms. It is a polypeptide containing three peptide chains and rich in proline and hydroxyproline
Effective at 8.25%
CAS #
9007-34-5
Form
Powder
State
Solid
Functions
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Moisturising
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks In Moisture
Traditional Use
Collagen has been used since ancient times in traditional medicine and skincare; animal-derived collagen gained popularity in modern cosmetics after its structure was identified in the 20th century as a hydrating and skin-plumping agent.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
4e-06%
16.5%
0%100%
Reported use
CIR reported use: 0.000004-6 | 0.00003-16.5
Regulatory Agencies
Skin Types
●all-skin-types
Best For
Loss of Elasticity
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR