Firmness and renewal

Soluble proteoglycan

Proteoglycan, a protein-and-sugar molecule found in the skin's supporting matrix, prepared for skincare in a water-soluble form.

What it does: Used in multi balms, booster serums, jelly creams and a peel-off mask as a conditioning ingredient for bouncy, supple-feeling skin.
How often: Morning and evening in everyday creams and serums, with balms when needed; masks and shot treatments have weekly or spaced schedules, and sunscreen is for the morning.

Products with soluble proteoglycan

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Last reviewed 1 October 2026