Magnesium Aspartate Good Humectant Hydration Magnesium Aspartate at a glance A magnesium salt of amino acid aspartic acid Helps maintain proteins in skin’s outermost layers Hydrates and helps to soften skin Sometimes used in a blend with amino acids and gluconates (a by-product of glucose) Magnesium Aspartate description The magnesium salt of aspartic acid, an acidic amino acid that plays a role in maintaining proteins in skin. In cosmetics, magnesium aspartate acts as hydrating and softening ingredient. It may be animal-derived or manufactured in a lab (Paula’s Choice uses the latter). Magnesium aspartate is considered safe as used in cosmetics, is non-irritating and bioavailable to skin. Usage levels typically go between 0.5–1%, but lower amounts may be used when the ingredient is part of a blend with other amino acids and glucose-derived ingredients known as gluconates. Related ingredients: Magnesium Sulfate