Palmitoyl Pentapeptide: Biological Roles, Mechanisms of Anti-ageing, Efficacy and Applications
Jan 30,2024
General Description
Palmitoyl Pentapeptide is a biologically active peptide that promotes collagen and extracellular matrix synthesis, making it beneficial for wound healing and anti-aging skincare applications. Its mechanism of action involves promoting the production of essential skin proteins such as elastin, fibronectin, hyaluronic acid, and collagens (especially type I, III, and IV). Palmitoyl Pentapeptide has been shown to reduce the formation of wrinkles and fine lines, improve skin roughness, and increase elastin fiber density and thickness. Its efficacy and versatility have made it a highly sought-after ingredient in the skincare industry, used in both facial and body care products.
Figure 1. Palmitoyl pentapeptide
Biological Roles
Palmitoyl Pentapeptide, also known as "micro-collagen," is a highly specific and biologically active small molecule peptide. It functions by stimulating the synthesis of elastin, fibronectin, glucosaminoglycans, and collagen (especially type I, type III, and type IV collagens) to replenish the extracellular matrix and promote wound healing. Experimental studies have shown that Palmitoyl Pentapeptide significantly enhances the production of type I and type III collagens. It also stimulates the generation of another skin connective tissue matrix molecule, fibronectin, and regulates the biosynthesis of the extracellular matrix through independent mechanisms. Furthermore, Palmitoyl Pentapeptide is capable of reducing the formation of wrinkles. By promoting collagen synthesis and enhancing the production of other essential components of the extracellular matrix, this peptide helps improve skin elasticity, firmness, and overall appearance. Its ability to stimulate wound healing processes makes it a valuable ingredient in skincare products aimed at reducing signs of aging and promoting healthier, more youthful-looking skin. In summary, Palmitoyl Pentapeptide is a biologically active peptide that promotes collagen and extracellular matrix synthesis, making it beneficial for wound healing and anti-aging skincare applications. 1
Mechanisms of Anti-ageing
Palmitoyl Pentapeptide is a type of peptide that has been proven to have anti-aging effects on the skin. Its mechanism of action involves promoting the production of extracellular matrix proteins, such as elastin, fibronectin, hyaluronic acid, and collagen (especially type I, III, and IV collagen). Elastin, fibronectin, and collagen are important structural components of the skin, helping to maintain its stability and preventing the formation of wrinkles. Additionally, other extracellular matrix components help to maintain the microenvironment of tissue cells, delaying cell senescence and maintaining skin hydration. Palmitoyl Pentapeptide is related to the precursor of type I collagen in its structure, and it mainly increases the production of both type I and III collagens through the biosynthesis pathway. In conclusion, Palmitoyl Pentapeptide plays a critical role in reducing the visible signs of aging by stimulating the production of essential skin proteins and maintaining the skin's microenvironment. Its effectiveness in anti-aging skincare has been supported by various scientific studies and is widely used in cosmetic formulations. 2
Efficacy and Applications
Palmitoyl Pentapeptide is a powerful active ingredient used in skincare for its numerous benefits and applications. Firstly, it is known for its anti-wrinkle properties. Studies have shown that Palmitoyl Pentapeptide can reduce the formation of wrinkles. In one study, participants applied a cream containing 0.005% Palmitoyl Pentapeptide to the area around their right eye twice daily for 28 days. The sample group experienced an impressive 18% reduction in wrinkle depth, a 37% decrease in wrinkle thickness, and a 21% improvement in skin roughness compared to the control group. In addition to its wrinkle-reducing effects, Palmitoyl Pentapeptide-4 is widely used as an anti-aging active ingredient in both facial and body care products. It helps repair the skin around the eyes and minimizes the formation of wrinkles and fine lines. Clinical trials involving 93 volunteers focused on fine lines and wrinkles as indicators of improvement. The experimental group using Palmitoyl Pentapeptide showed significant improvements in skin roughness, wrinkle volume, and wrinkle depth compared to the placebo group. Furthermore, data suggests that Palmitoyl Pentapeptide is associated with an increase in elastin fiber density and thickness, as well as improved regulation of type IV collagen at the dermal-epidermal junction. To summarize, Palmitoyl Pentapeptide is an effective ingredient with multiple benefits, including wrinkle reduction, anti-aging properties, and the ability to repair the skin around the eyes. Its applications span from facial care to body care, making it a highly sought-after ingredient in the skincare industry. 3
Reference
1. Robinson LR, Fitzgerald NC, Doughty DG, Dawes NC, Berge CA, Bissett DL. Topical palmitoyl pentapeptide provides improvement in photoaged human facial skin. Int J Cosmet Sci. 2005;27(3):155-160.
2. Park H, An E, Cho Lee AR. Effect of Palmitoyl-Pentapeptide (Pal-KTTKS) on Wound Contractile Process in Relation with Connective Tissue Growth Factor and α-Smooth Muscle Actin Expression. Tissue Eng Regen Med. 2017;14(1):73-80.
3. Aruan RR, Hutabarat H, Widodo AA, Firdiyono MTCC, Wirawanty C, Fransiska L. Double-blind, Randomized Trial on the Effectiveness of Acetylhexapeptide-3 Cream and Palmitoyl Pentapeptide-4 Cream for Crow's Feet. J Clin Aesthet Dermatol. 2023;16(2):37-43.
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