Skin science article
By WishTrend Hydra Enriched Ampoule Versus Kiehl's Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum
By WishTrend Hydra Enriched Ampoule Versus Kiehl's Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum This hydrating ampoule is formulated around Aloe Barbadensis Leaf Polysaccharides and Sodium Hyaluronate to hydrate skin and calm redness. This hydrating seru
By WishTrend Hydra Enriched Ampoule Versus Kiehl's Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum
This hydrating ampoule is formulated around Aloe Barbadensis Leaf Polysaccharides and Sodium Hyaluronate to hydrate skin and calm redness.
This hydrating serum is formulated around Sodium Hyaluronate to hydrate skin and strengthen the skin barrier.
What's inside
Key Ingredients
Benefits
Concerns
No concerns
Ingredients Side-by-side
Aloe Barbadensis Leaf Polysaccharides
Butylene Glycol
Glycerin
Dipropylene Glycol
Water
1,2-Hexanediol
Hydroxyacetophenone
Ammonium Acryloyldimethyltaurate/Vp Copolymer
Polyglycerin-3
Propanediol
Malachite Extract
Polyglyceryl-10 Oleate
Glycosyl Trehalose
Methyl Gluceth-20
Glyceryl Acrylate/Acrylic Acid Copolymer
Hydrogenated Starch Hydrolysate
Sodium Hyaluronate
Biosaccharide Gum-1
Allantoin
Betaine
Hydrolyzed Vegetable Protein
Linum Usitatissimum Seed Extract
Maltodextrin
Panthenol
Pentylene Glycol
Trehalose
Houttuynia Cordata Extract
Ethylhexylglycerin
Tocopherol
Aloe Barbadensis Leaf Polysaccharides, Butylene Glycol, Glycerin, Dipropylene Glycol, Water, 1,2-Hexanediol, Hydroxyacetophenone, Ammonium Acryloyldimethyltaurate/Vp Copolymer, Polyglycerin-3, Propanediol, Malachite Extract, Polyglyceryl-10 Oleate, Glycosyl Trehalose, Methyl Gluceth-20, Glyceryl Acrylate/Acrylic Acid Copolymer, Hydrogenated Starch Hydrolysate, Sodium Hyaluronate, Biosaccharide Gum-1, Allantoin, Betaine, Hydrolyzed Vegetable Protein, Linum Usitatissimum Seed Extract, Maltodextrin, Panthenol, Pentylene Glycol, Trehalose, Houttuynia Cordata Extract, Ethylhexylglycerin, Tocopherol
Phenoxyethanol
Chlorphenesin
Tetrasodium Glutamate Diacetate
Citric Acid
Water, Glycerin, Sodium Hyaluronate, Phenoxyethanol, Chlorphenesin, Tetrasodium Glutamate Diacetate, Citric Acid
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Alternatives
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Glycerin (or glycerol) is a compound naturally found in your skin. It's a powerhouse humectant that pulls water into the stratum corneum.
Topically, glycerin does several things at once:
Your skin makes glycerin on its own (mostly from sebaceous oil breakdown) and shuttles it to your outermost layer of skin, or your epidermis, via aquaporin-3.
Aquaporin-3 is a transporter that is essential for normal skin hydration, elasticity, and repair. Interestingly, mice lacking in AQP3 have dry and less elastic skin that can be fully corrected with glycerin.
This ingredient is non-irritating, plays well with almost every ingredient, and works across all skin types. Typical use is anywhere between 3-10% but can go up to 79% in some leave-on products.
Just know very high concentrations (>40%) can feel tacky in low humidity.
Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine.
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.
Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.
So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation.
You'll also recognize water as that liquid we all need to stay alive. If you see this, drink a glass of water. Remember to stay hydrated!