Undecylenoyl Phenylalanine is a lipophilic peptide-like compound widely used in the skincare industry, particularly for its skin-brightening and pigmentation-correcting properties. It is a synthetic molecule formed by conjugating undecylenic acid (an unsaturated fatty acid) with phenylalanine (an essential amino acid). This combination creates a substance that functions as a potent and selective inhibitor of melanin production in the skin.

Its primary mechanism of action is through competitively binding to alpha-melanocyte-stimulating hormone (α-MSH) receptors on melanocytes, the cells responsible for producing melanin. By blocking the attachment of α-MSH, a key signal for triggering melanogenesis, Undecylenoyl Phenylalanine effectively reduces the overproduction and transfer of melanin to surrounding skin cells. This makes it a highly effective ingredient for treating conditions like melasma, age spots, post-inflammatory hyperpigmentation, and for promoting a more uniform skin tone.

As a cosmetic ingredient, it is valued for its targeted action, high stability, and excellent skin compatibility. It is often incorporated into serums, creams, and spot-treatment products. Unlike some other brightening agents, it is generally considered gentle and suitable for long-term use, working synergistically with other active ingredients like retinoids, vitamin C, and sunscreens to provide comprehensive skin brightening and anti-pigmentation care.

Product Name	Undecylenoyl Phenylalanine
CAS NO	175357-18-3
Other name	N/A
Appearance	white powder
Purity	98% HPLC
Application	massive health
Shelf Life	24 Months
Storage	Store at a temperature of 2-8 degrees, protected from light.