Product Description Palmitoyl pentapeptide-4, also known as palmitoyl pentapeptide-3/M-based peptide, is composed of five amino acid small molecular peptides and palmitoyl, and the amino acid sequence is lysine - threonine - threonine - lysine - serine (KTTKS). Palmitoyl pentapeptide-4 is a synthetic short peptide derived from Collagen I fragments. It was launched on the market around 2000 and is one of the earliest and most widely used peptides. As the pioneer of skin care with polypeptide ingredients, palmitoyl pentapeptide-4 has great influence on the cosmetics raw material market. Currently, the palmitoyl series polypeptides launched on the market are mostly developed based on palmitoyl pentapeptide-4. It has good anti-aging and anti-wrinkle effects. The addition amount in cosmetics is 0.01% BASIC ANALYSIS Item Specification Result Test Methods Appearance white powder Conforms Organoleptic Odor & taste Characteristic Conforms Organoleptic Mesh size Through 80 mesh Conforms 80 mesh screen Assay ≥98.0% 99.23%（HPLC） HPLC Loss on Drying ≤5.00% 2.85% Drying Method Ash ≤5.00% 0.29% Ashing Method Heavy metals Total Heavy Metals ≤10ppm Conforms Arsenic ≤1ppm Conforms GF AAS Lead ≤2ppm Conforms AFS Cadmium ≤1ppm Conforms AFS Hygrargyrum ≤0.1ppm Conforms AFS Residual Solvent Meet the requirements Conforms SOP/SA/SOP/SUM/304 Pesticide Residue Meet the requirements Not detected SOP/SA/SOP/SUM/304 Microbiological Tests Total Plate Count ≤5000cfu/g Conforms Bacterial culture Total Yeast & Mold ≤100cfu/g Conforms Bacterial culture E.Coli Negative Conforms Bacterial culture Salmonella Negative Conforms Bacterial culture Staphylococcus Negative Conforms Bacterial culture Function Palmitoyl pentapeptide-4 is used as an antioxidant, skin care products, moisturizers or other preparations in cosmetics and skin care products,Provide anti wrinkle, anti-aging, anti-oxidation, skin firming, moisturizing and other effects in beauty and care products (such as gel, lotion, AM/PM cream, eye cream, facial mask, etc.), and apply them to face, body, neck, hand and eye skin care products. Resist wrinkles and shape solid contours; It can smooth fine lines and reduce wrinkles, and can be used as an anti-aging active ingredient in facial and body care; Suppress nerve transmission and eliminate expression lines; Improve skin elasticity, skin elasticity and smoothness: Repair the skin around the eyes, reduce wrinkles and fine lines. It has good anti-aging and anti-wrinkle effects;