Magnesium chloride is a water-soluble inorganic magnesium salt and a common electrolyte in skincare and personal care, added to draw moisture, give a conditioned feel, and balance ions in water-based formulas.
A mineral salt that draws in moisture for more comfortable skin.
Category
Hydration, Skin Conditioning
Type
Humectant
Ingredient Ratings
Overall Rating
Good
Comedogenic Risk
None
Skin Benefits
Supports lasting skin comfort by helping maintain hydration levels, and may lessen the feeling of tightness in dehydrated skin without heaviness.
Uses In Skincare & Cosmetics
Used in hydrating toners, face mists, gels, and lightweight lotions to refresh and replenish. Also included in essences and after-sun gels to boost water-based formulas.
Comedogenic Rating
This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.
Safety
Usually well tolerated; may cause brief stinging on compromised or very sensitive skin due to its salt content. No specific cosmetic-use restrictions commonly cited.
Is Magnesium Chloride a Good Ingredient?
Its electrolyte and humectant role helps maintain hydration and comfort, and the profile is simple, water-soluble, and well tolerated, which supports a Good rating. The benefits are modest but consistent in water-based formulas.