Myristoyl Pentapeptide-8 is a bioactive cosmetic peptide synthesized through the chemical modification of a natural signaling sequence.
Its unique hair growth and various cosmetic functions are attributed to a specific conserved pentapeptide fragment, Лыс-Тр-Тр-Лыс-Сер, derived from the α1 chain of type I procollagen.
Its defining action is to stimulate dermal фибробластар , thereby initiating a subsequent cascade that promotes the synthesis of both коллаген һәм фибронектин.
Әммә, rapid enzymatic degradation presents a significant barrier to its practical therapeutic application.
To overcome this, researchers have modified the peptide by conjugating it with a fatty acid сип. This modification preserves the original charge characteristics while greatly improving compatibility with the intercellular липидтар 2012 йылдың мөгөҙ ҡатламы.
Тимәк,, the modification extends the peptide’s яртылаш тарҡалыу ваҡыты and significantly improves its transdermal penetration нәтижәлелек.
Йәмғеһе ., this peptide achieves potent cosmetic efficacy, securing its place in premium skincare formulations.
Эҙмә-эҙлелек
Лыс-Тр-Тр-Лыс-Сер (КТТКС)
CAS номеры
2305730-23-6
Молекуляр формула
С37Н71Н7О10
Молекуляр ауырлыҡ
774.01
Myristoyl Pentapeptide-8 Related Research
1.Dermal-Epidermal Junction and Skin Structure Enhancement
Experimental evidence shows that Myristoyl Pentapeptide-8 mimics the biological signaling of ламинин-5, thereby reinforcing and repairing the structure and function of the dermal-epidermal junction (ҺЫУ).
It stimulates dermal fibroblasts to synthesize and assemble key подвал мембранаһы компоненттары, including collagen I, III, һәм эластин.
The end result is the fortification of the skin’s internal architecture, which reduces the depth and number of wrinkles (with loss of elasticity being a major contributing factor), leading to firmer and overall healthier-looking skin.
It also positively influences кератиноцит differentiation and кератин polymerization.
2.Direct Promotion of Dermal Collagen Regeneration
As mentioned, the peptide binds to and activates the LDL receptor-related protein (LRP/LDL receptor-related protein) on the fibroblast surface, triggering the aforementioned effects.
3.Regulation of the Hair Follicle Growth Cycle
Myristoyl Pentapeptide-8 activates the β-catenin/LEF1 signaling pathway within dermal papilla күҙәнәктәр.
This action inhibits BMP4-induced regression signals, thereby directly prolonging the anagen (үҫеү) phase of the hair follicle.
Experimental evidence from a mouse model of андроген алопеция supports this mechanism; continuous application for 21 days led to synchronized increases in eyelash, eyebrow, and scalp hair densities.
4.Enhancement of Skin Barrier Function and Antioxidant Activity
The unique structure of Myristoyl Pentapeptide-8 provides enhanced stability, with the myristoyl moiety itself inducing steric hindrance.
It lowers the activation threshold for inflammatory factors, thereby improving the skin’s resilience to environmental stress.
It supports normal epidermal cell differentiation and its metabolic cycle.
Унан да бигерәк, it promotes the synthesis of key lipids (шул иҫәптән ceramides) within the stratum corneum, ultimately reinforcing the physical barrier and creating an optimal skin environment.
The long-term result is improved skin stability.
COA
ВЭЖХ
М.С.
