Leuphasyl Solution 100 ml

A peptide solution designed to soften the look of expression lines

Leuphasyl Solution is a concentrated trypeptide preparation that acts as a gentle muscle relaxant on the skin surface, reducing the intensity of nerve-muscle signaling in the treated area and softening the appearance of expression lines, particularly across the forehead and around the eyes. This ingredient belongs to the Myorelaxants category, which brings together actives focused on visually smoothing wrinkles without injectable procedures. The strongest global demand for such peptides comes from the professional anti-aging skincare sector, where relaxing serums and concentrates remain one of the fastest-growing categories among premium and mid-range brands worldwide.

The 100 ml size suits laboratories and small cosmetic manufacturers preparing trial and small-batch runs of serums, ampoules, and concentrates before scaling a formula further. This volume makes it practical to repeatedly test dosage levels and explore synergy with other actives without committing to large raw material investments.

The recommended usage level in a finished emulsion or serum ranges from 3 to 8 percent of the total formula weight, with the exact dosage depending on the peptide concentration in a given batch of solution. The ingredient should be added during the final cold-processing stage, once the base emulsion has cooled to no more than 40 degrees Celsius, to prevent the peptide structure from breaking down under heat. After incorporation, the formula should be stirred gently and slowly to avoid introducing excess air into the texture.

Leuphasyl pairs well with other peptide complexes from the same functional group, allowing formulators to build multi-peptide anti-aging systems with a cumulative visual effect. One notable combination involves Inyline Solution, another expression-line relaxing peptide that enhances overall results when used together over a treatment course. Another popular pairing is with BoNT L Peptide, since both ingredients complement each other through their action on facial muscle fibers, a combination frequently chosen by developers of intensive concentrates for mature skin.

Beyond pure anti-aging applications, this solution is used in eye contour creams, forehead-focused serums, and multi-active intensive ampoules. When developing trial batches meant to have a pleasant scent for consumer testing, some formulators add a small amount of aromatic composition to the base, such as Cherry Food Flavor, to gauge how potential buyers respond to the product before finalizing a formula.

Store the solution in a tightly sealed container, away from direct light, at a temperature between 2 and 8 degrees Celsius, avoiding temperature fluctuations that could reduce the stability of the peptide structure. Once opened, use the contents within the timeframe indicated by the manufacturer and maintain aseptic handling when measuring out portions.

Forehead-focused relaxing serum

Gel serum base 70 g

Leuphasyl Solution 6 ml

Vegetable glycerin 4 ml

Liquid panthenol 2 ml

Broad-spectrum preservative 1 ml

Distilled water up to 100 ml