Lauroyl Proline

AKA: N-Dodecanoyl-L-proline, 1-(1-Oxododecyl)-L-proline, 58725-39-6, N-Lauroyl-L-proline, L-Proline, N-DODECANOYLPROLINE, (S)-N-DODECANOYLPROLINE
Synthetic
Skin Conditioner
Barrier Support
Hair Care
Amino Acid
Not Clean
The panel concluded that the 115 amino acid alkyl amides listed below are safe in the present practices of use and concentration in cosmetics, when formulated to be non-irritating...Lauroyl Proline...
Formula
C17H31NO3
Mol. Weight
297.40
CAS #
58725-39-6
Form
Powder
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.
Skin Protecting
Helps rebuild and strengthen your skin barrier — the invisible shield that keeps moisture in and irritants out. Essential after over-exfoliating or harsh weather.
Nourishes & Protects
Traditional Use
Modern synthetic derivative combining lauric acid with the amino acid proline, developed for conditioning and skin-care benefits in contemporary cosmetic formulations.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing
🛡️Safety-assessed1 review
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR