Silk Amino Acids Liquid 1 L

How liquid silk protein strengthens hair and skin formulations

Liquid silk amino acids are a water-soluble silk protein hydrolysate widely used in the manufacturing of professional hair care products, creams, serums, and textile finishing treatments. This ingredient belongs to the Amino Acids category, which brings together raw materials for restoring hair fiber structure, reinforcing the skin barrier, and boosting the elasticity of finished formulas. The largest global demand for this raw material comes from manufacturers of shampoos, conditioners, hair masks, and leave-in treatments, as well as textile companies that use silk protein for finishing fabrics and yarns.

The main function of liquid silk amino acids is to form a thin protective film on the surface of hair and skin that smooths the cuticle, reduces fiber porosity, and gives the product a silky feel without the heaviness typical of silicones. Thanks to the low molecular weight of its peptide fractions, the ingredient penetrates damaged areas of the hair structure easily, partially restoring lost bonds after perming, coloring, or heat styling. In skin formulations, silk protein acts as a moisturizing and softening agent that helps retain water in the upper layers of the epidermis and improves the tone of facial and body skin.

Liquid silk amino acids should be added at the final stage of preparing an emulsion or serum, at a temperature not exceeding 40 degrees, to avoid denaturation of the protein fractions. The typical working dosage ranges from 1 to 5 percent of the total formula weight, depending on the desired intensity and product type — lower concentrations are used for leave-in sprays, while higher amounts go into intensive masks and repair serums. The ingredient pairs well with other protein and amino acid additives: for instance, with Keratin Amino Acids for deeper restoration of the hair's keratin chains, and with L-Tyrosine, which supports melanin synthesis and is often used in complex formulas for colored hair. Another useful partner is L-Glutamine, which enhances regenerative processes in skin cells.

The 1-liter package size is aimed at small-batch and studio-scale production: it suits formulators, small laboratories, and brands releasing limited runs of professional cosmetics for salons and barbershops. This volume is enough to produce several dozen liters of finished product at typical usage rates, making it a cost-effective choice compared to smaller containers.

Liquid silk amino acids should be stored in a tightly closed container, in a dry, cool place protected from direct sunlight and temperature fluctuations, away from heat sources. Once opened, the contents should be used within the period specified by the manufacturer, avoiding contamination with foreign moisture or debris, which could encourage microbial growth in the water phase of the product.

Lightweight leave-in silk spray

Distilled water 85 g

Liquid silk amino acids 6 g

Glycerin 3 g

Panthenol 2 g

Solubilizer 3 g

Fragrance oil 1 g

Broad-spectrum preservative 1 g