Ammonium Hydrolyzed Collagen
AKA: Hydrolyzed collagen ammonium salt
Synthetic
Skin Conditioner
Hair Care
Marine
Not Clean
Collagen, hydrolyzates, ammonium salts
Effective at 8.25%
CAS #
222400-34-2
Form
Powder
Functions
Antistatic
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
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
Collagen has been traditionally valued in Asian skincare for its moisturizing properties; the hydrolyzed form was developed in the 20th century to create smaller, more bioavailable protein molecules. The ammonium salt variant is a modern formulation strategy with no independent traditional use.
EWG
4
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-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR