What it is
Chondroitin sulfate is a naturally occurring glycosaminoglycan, a large sugar-based polymer that binds water; here it is supplied as the sodium salt for solubility and stability. In a sunscreen it acts as a humectant and conditioning agent, helping the skin surface feel hydrated, smooth, and comfortable. It contributes a moisturizing, cushiony feel without greasiness.
Safety & warnings
Chondroitin sulfate is a large, well-tolerated polysaccharide with low irritation and sensitization potential in topical use. It is not regarded as comedogenic and is not a known fragrance allergen.
Origin & sourcing
Derived from chondroitin sulfate, a glycosaminoglycan obtained from animal cartilage sources, supplied as the sodium salt.
Questions everyone asks
What is sodium chondroitin sulfate?
It is the sodium salt of chondroitin sulfate, a water-binding glycosaminoglycan used in skincare as a humectant and conditioning agent.
What does it do in a sunscreen?
It helps bind moisture at the skin surface, supporting a hydrated, smooth, and comfortable feel.