Skin science article
Kiehl's Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum Versus RoC Multi Correxion Hydrate + Plump Night Serum Capsules
Kiehl's Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum Versus RoC Multi Correxion Hydrate + Plump Night Serum Capsules This hydrating serum is formulated around Sodium Hyaluronate to hydrate skin and strengthen the skin barrier. This hydrating serum is for
Kiehl's Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum Versus RoC Multi Correxion Hydrate + Plump Night Serum Capsules
This hydrating serum is formulated around Sodium Hyaluronate to hydrate skin and strengthen the skin barrier.
This hydrating serum is formulated around Simmondsia Chinensis Seed Oil and Sodium Hyaluronate to hydrate skin and strengthen the skin barrier.
What's inside
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Glycerin
Sodium Hyaluronate
Phenoxyethanol
Chlorphenesin
Tetrasodium Glutamate Diacetate
Citric Acid
Water, Glycerin, Sodium Hyaluronate, Phenoxyethanol, Chlorphenesin, Tetrasodium Glutamate Diacetate, Citric Acid
Coconut Alkanes
Simmondsia Chinensis Seed Oil
Caprylic/Capric Triglyceride
Cocos Nucifera Oil
Ethylhexyl Palmitate
Coco-Caprylate/Caprate
Ethylene/Propylene/Styrene Copolymer
Isosorbide Dicaprylate
Polyurethane-79
Trihydroxystearin
Glucomannan
Butylene/Ethylene/Propylene Copolymer
Coconut Alkanes, Simmondsia Chinensis Seed Oil, Caprylic/Capric Triglyceride, Cocos Nucifera Oil, Ethylhexyl Palmitate, Coco-Caprylate/Caprate, Ethylene/Propylene/Styrene Copolymer, Isosorbide Dicaprylate, Polyurethane-79, Sodium Hyaluronate, Trihydroxystearin, Glucomannan, Butylene/Ethylene/Propylene Copolymer
Reviews
Alternatives
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Sodium Hyaluronate is the salt form of hyaluronic acid. It is a long sugar chain that is naturally found in your skin, joints, and connective tissue that maintains hydration and elasticity.
In skincare, it works as a humectant. It pulls water from the environment and deeper layers of skin and binds it to the surface.
Interestingly, the size of the molecule affects its behavior:
Some clinical evidence links low molecular weight versions to improved wrinkle depth, elasticity, anti-inflammatory effects, and barrier repair.
Many serums use a blend of both weights so you can get surface hydration plus longer-lasting and deeper effects.
You'll typically see concentrations between 0.1-2% for this ingredient.