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PALMITOYL CARNITINE.

Valuable CAS 1935-18-8 / 2364-67-2 / SKIN CONDITIONING

Palmitoyl Carnitine is an ester derivative of L-Carnitine, essential to cellular fatty acid metabolism. Topically, it functions as a multifaceted skin conditioner, contributing to improved texture, firmness, and elasticity while offering antioxidant benefits and assisting in sebum regulation.

Summary

Skin conditioning Antioxidant Anti-aging Sebum regulation Skin texture refinement Collagen preservation Penetration enhancer

Science

Mechanism of Action

Operating as an ester derivative, Palmitoyl Carnitine facilitates the transport of fatty acids, such as palmitic acid, into cellular mitochondria for beta-oxidation, generating energy (ATP). In skincare, this mechanism supports a reduction in fatty acid accumulation within sebaceous glands, which can visibly reduce sebum secretion, particularly benefiting oily and acne-prone skin. It further acts as an antioxidant, neutralizing free radicals and inhibiting matrix metalloproteinases (MMP-1 and MMP-2) that degrade collagen, thereby preserving skin elasticity and firmness and promoting a radiant complexion. Its structure may also enhance the skin penetration and bioavailability of other active ingredients.

Research

Clinical Evidence

Medium confidence
Effective range 0.5–2%
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

Palmitoyl-L-carnitine (chloride) exhibits slight solubility in warmed, sonicated water. Aqueous solutions are not recommended for storage beyond one day. Palmitoyl-DL-carnitine (chloride) is soluble in organic solvents such as ethanol, DMSO, and DMF.

Synergies

  • Enhances skin penetration and bioavailability of other active ingredients
  • Synergistic with EGCG for sebum reduction

Safety

Safety Profile

CIR Status
Safe as used | safe with restrictions
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel concluded that Palmitoyl Carnitine is safe in current practices of use and concentration when formulated to be non-irritating. The Environmental Working Group (EWG) also notes its safety for cosmetic use with certain qualifications based on CIR findings. No specific maximum concentration for cosmetic use was identified by CIR in the available research data. Studies on L-Carnitine have shown good tolerability for sensitive skin.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

A valuable derivative of carnitine, Palmitoyl Carnitine offers benefits for skin texture, elasticity, and sebum regulation, and can enhance the efficacy of other skincare actives, making it suitable for a wide range of skin types and concerns.

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