AKA: Acetyl-DL-carnitine, 14992-62-2, DL-O-Acetylcarnitine, DL-Acetylcarnitine, 3-(acetyloxy)-4-(trimethylazaniumyl)butanoate, 3-Acetoxy-4-(trimethylammonio)butanoate
WHAT IS IT? Synthetic
Skin Conditioner
Clean
Origin Synthesized from L-carnitine, a naturally occurring amino acid derivative found in animal tissues and bacteria. Produced through acetylation of L-carnitine using acetic anhydride or acetyl-CoA in controlled chemical reactions.
1-Propanaminium, 2-(Acetyloxy)-3-Carboxy-N,N,N-Trimethyl-, Inner Salt; Acetylcarnitine
IS IT FOR ME? Pregnancy & Breastfeeding Safe
Yes
WHAT’S IT DO? 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.
CAN I TRUST THIS? The paper trail
🛡️ Safety-assessed 2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
IS IT CLEAN? Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2012
Regulatory Status
JAPAN ⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR
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