Humectant Properties: It can hold up to 1,000 times its weight in water, drawing moisture into the outer layers of the skin.
Molecular Weight Variations: Cosmetic grade HA often comes in different molecular weights:
High Molecular Weight: Sits on top of the skin to form a hydrating film and prevent water loss.
Low Molecular Weight: Penetrates slightly deeper into the epidermis to provide longer-lasting hydration and improve skin elasticity.
Biocompatibility: Since HA is naturally found in the human body, cosmetic grade HA is generally well-tolerated, non-comedogenic, and suitable for sensitive skin.
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