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ACETYL CARNITINE HCL

CAS 5080-50-2
80

Safety score · 0–100

Good

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

Acetyl Carnitine Hcl is a cosmetic ingredient used in product formulations. Its specific function may vary between products. Exercise caution due to limited available safety data.

Acetyl Carnitine HCl (CAS 5080-50-2, PubChem CID 2733928) is the hydrochloride salt of acetyl-L-carnitine, an acetylated form of L-carnitine naturally present in mitochondria. In cosmetics, it functions as a skin-conditioning agent, supporting cellular energy metabolism by facilitating fatty acid transport into mitochondria for beta-oxidation. This enhanced cellular energy production may support skin repair, collagen synthesis, and antioxidant defence. It is also used as a dietary supplement for cognitive and neurological health. No GHS hazards or EU restrictions apply.

Skin benefits

  • Supports cellular energy metabolism
  • May enhance skin repair and regeneration
  • Antioxidant properties
  • Skin conditioning

Known concerns

  • Limited published cosmetic safety studies
  • Skin penetration and bioavailability in topical formulations not well-characterised

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.