BI-SU Serum Essence Sialic Acid is based on a natural swallow nest extract that contains minerals, enzymes, amino acids, proteins, as well as biologically active substances that have a powerful rejuvenating effect on the skin:

Sialic acid is part of the intercellular matrix, which helps maintain water balance in skin cells. It allows you to retain moisture in the deep layers of the epidermis, improves the function of hyaluronic acid, protects the integrity and elasticity of collagen and elastin fibers.
EGF (epidermal growth factor) stimulates the renewal of skin cells, tightens the texture of the dermis, activates the production of collagen and elastin, smoothes wrinkles, promotes rapid healing of microdamages, and has a whitening effect.

The serum also contains natural active ingredients that enhance its positive effects:

Proteoglycans enhance the water-retaining properties of the epidermis, restore the stratum corneum, reduce age spots.
Three types of collagen accelerate the synthesis of their own collagen fibers, increase skin firmness and elasticity.
Glycyrrhizic acid 2K reduces inflammation, inhibits the growth and reproduction of bacteria, fights itching and flaking, and prevents tissues from hardening
Sodium hyaluronate hydrates the skin keeps moisture inside, preventing rapid evaporation.
Polysaccharides have an antioxidant effect, normalize intracellular metabolism, fill cells with moisture and nutrients, improve skin texture, increase its firmness and elasticity.
Ascorbyl glucoside has a whitening effect, prevents photoaging, stimulates the synthesis of collagen fibers and elastin, tightens pores.

BI-SU Serum Essence Sialic Acid enriches the dermis with nutrients, has a powerful anti-aging effect, restores firmness and elasticity of the skin.

BI-SU Serum Essence Sialic Acid with Swallow Nest Extract and Polysacharides