Proteoglycans are proteins that are heavily glycosylated. The basic proteoglycan unit consists of a “core protein” with one or more covalently attached glycosaminoglycan chain. The point of attachment is a serine residue to which the glycosaminoglycan is joined through a tetrasaccharide bridge

Step 3: Mahina Serum
Step 3: Mahina Serum

Mahina is a mild toner, free of antiseptics and preservatives. After washing your face with the two ingredients, you need to tone your skin with Mahina. It consists of proteoglycan, a component with EGF functions as well as moisturizing features.

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