Kiehl's Hydro-Plumping Hydrating Serum Versus Dermalogica Pro-Collagen Banking Serum
Kiehl's Hydro-Plumping Hydrating Serum Versus Dermalogica Pro-Collagen Banking Serum This smoothing serum is formulated around Gluconolactone to refine skin texture. This anti-aging serum is formulated around Trehalose and Carnosine to soften the look of wrink
Kiehl's Hydro-Plumping Hydrating Serum Versus Dermalogica Pro-Collagen Banking Serum
This smoothing serum is formulated around Gluconolactone to refine skin texture.
This anti-aging serum is formulated around Trehalose and Carnosine to soften the look of wrinkles and strengthen the skin barrier.
What's inside
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Glycerin
Dimethicone
Propanediol
Gluconolactone
Dimethicone/PEG-10/15 Crosspolymer
Polymethylsilsesquioxane
Sodium Chloride
Sodium Dextran Sulfate
Sodium Hydroxide
Phenoxyethanol
Citric Acid
Chlorphenesin
Sodium Citrate
P-Anisic Acid
Disodium EDTA
PEG-10 Dimethicone
Adenosine
Dipropylene Glycol
Tocopherol
Water, Glycerin, Dimethicone, Propanediol, Gluconolactone, Dimethicone/PEG-10/15 Crosspolymer, Polymethylsilsesquioxane, Sodium Chloride, Sodium Dextran Sulfate, Sodium Hydroxide, Phenoxyethanol, Citric Acid, Chlorphenesin, Sodium Citrate, P-Anisic Acid, Disodium EDTA, PEG-10 Dimethicone, Adenosine, Dipropylene Glycol, Tocopherol
Pentylene Glycol
Coco-Caprylate/Caprate
Simmondsia Chinensis Seed Oil
Trehalose
Oryza Sativa Bran Water
Butylene Glycol
Ethoxydiglycol
Triheptanoin
Arginine PCA
Diglycerin
Dipotassium Glycyrrhizate
Sodium Hyaluronate
Collagen Amino Acids
Glycine Soja Oil
Helianthus Annuus Seed Oil
Citrus Aurantium Dulcis Peel Oil
Citrus Aurantium Bergamia Fruit Oil
Citrus Paradisi Peel Oil
Rosmarinus Officinalis Leaf Extract
Cupressus Sempervirens Leaf/Nut/Stem Oil
Santalum Album Oil
Citrus Limon Peel Oil
Rosa Damascena Flower Oil
Jasminum Sambac Flower Extract
Hydrolyzed Jojoba Esters
Oryza Sativa Bran Extract
Aloe Barbadensis Leaf Extract
Tephrosia Purpurea Seed Extract
Helianthus Annuus Extract
Juniperus Virginiana Oil
Tagetes Minuta Flower Oil
Rosmarinus Officinalis Leaf Oil
Cistus Ladaniferus Leaf/Stem Extract
Hydrolyzed Rice Protein
Tocopheryl Acetate
Phospholipids
Carnosine
Glyceryl Stearate Citrate
Caprylyl Glycol
Polyglutamic Acid
Glycolipids
Glycine Soja Sterols
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
Glyceryl Caprylate
Sclerotium Gum
Polyquaternium-80
Didecyldimonium Chloride
Dianthus Caryophyllus Flower Extract
Xanthan Gum
Methylpropanediol
Cetearyl Alcohol
PEG-40 Hydrogenated Castor Oil
Ammonium Acryloyldimethyltaurate/Beheneth-25 Methacrylate Crosspolymer
Phytic Acid
Polysorbate 20
Tetrasodium Glutamate Diacetate
Sodium Polyacryloyldimethyl Taurate
Sodium Benzoate
Potassium Sorbate
Limonene
Linalool
Water, Pentylene Glycol, Coco-Caprylate/Caprate, Glycerin, Propanediol, Simmondsia Chinensis Seed Oil, Trehalose, Oryza Sativa Bran Water, Butylene Glycol, Ethoxydiglycol, Triheptanoin, Arginine PCA, Diglycerin, Dipotassium Glycyrrhizate, Sodium Hyaluronate, Collagen Amino Acids, Glycine Soja Oil, Helianthus Annuus Seed Oil, Citrus Aurantium Dulcis Peel Oil, Citrus Aurantium Bergamia Fruit Oil, Citrus Paradisi Peel Oil, Rosmarinus Officinalis Leaf Extract, Cupressus Sempervirens Leaf/Nut/Stem Oil, Santalum Album Oil, Citrus Limon Peel Oil, Rosa Damascena Flower Oil, Jasminum Sambac Flower Extract, Hydrolyzed Jojoba Esters, Oryza Sativa Bran Extract, Aloe Barbadensis Leaf Extract, Tephrosia Purpurea Seed Extract, Helianthus Annuus Extract, Juniperus Virginiana Oil, Tagetes Minuta Flower Oil, Rosmarinus Officinalis Leaf Oil, Cistus Ladaniferus Leaf/Stem Extract, Hydrolyzed Rice Protein, Tocopheryl Acetate, Tocopherol, Phospholipids, Carnosine, Glyceryl Stearate Citrate, Caprylyl Glycol, Polyglutamic Acid, Glycolipids, Glycine Soja Sterols, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Glyceryl Caprylate, Sclerotium Gum, Polyquaternium-80, Didecyldimonium Chloride, Dianthus Caryophyllus Flower Extract, Xanthan Gum, Methylpropanediol, Cetearyl Alcohol, PEG-40 Hydrogenated Castor Oil, Ammonium Acryloyldimethyltaurate/Beheneth-25 Methacrylate Crosspolymer, Phytic Acid, Polysorbate 20, Tetrasodium Glutamate Diacetate, Citric Acid, Sodium Hydroxide, Sodium Polyacryloyldimethyl Taurate, Sodium Benzoate, Potassium Sorbate, Limonene, Linalool
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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.
Citric Acid is an alpha hydroxy acid (AHA) naturally found in citrus fruits like oranges, lemons, and limes.
Like other AHAs, citric acid can exfoliate skin by breaking down the bonds that hold dead skin cells together. This helps reveal smoother and brighter skin underneath.
However, this exfoliating effect only happens at high concentrations (20%) which can be hard to find in cosmetic products.
Due to this, citric acid is usually included in small amounts as a pH adjuster. This helps keep products slightly more acidic and compatible with skin's natural pH.
In skincare formulas, citric acid can:
While it can provide some skin benefits, research shows lactic acid and glycolic acid are generally more effective and less irritating exfoliants.
Most citric acid used in skincare today is made by fermenting sugars (usually from molasses). This synthetic version is identical to the natural citrus form but easier to stabilize and use in formulations.
Rosacea skin has a lower threshold for acids generally, with 62.5% of rosacea subjects in one study reacting to lactic acid in a sting test. This is why we mark citric acid as a potential rosacea trigger.
However, this ingredient shows up as a pH adjuster or chelator at roughly 0.1-1% in many products. These low levels are unlikely to be an issue for rosacea skin and becomes a potential trigger at exfoliating concentrations (20%). Because everybody's skin is unique, we recommend a patch test if you are unsure.
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.
Propanediol is an all-star ingredient. It softens, hydrates, and smooths the skin.
It’s often used to:
Propanediol is not likely to cause sensitivity and considered safe to use. It is derived from corn or petroleum with a clear color and no scent.
Sodium Hydroxide is also known as lye or caustic soda. It is used to adjust the pH of products; many ingredients require a specific pH to be effective.
In small amounts, sodium hydroxide is considered safe to use. However, large amounts may cause chemical burns due to its high alkaline.
Your skin has a natural pH and acid mantle. This acid mantle helps prevent harmful bacteria from breaking through. The acid mantle also helps keep your skin hydrated.
"Alkaline" refers to a high pH level. A low pH level would be considered acidic.
Tocopherol is a fat-soluble antioxidant known as Vitamin E.
You'll find this ingredient in the vast majority of skincare (for good reason). It works to neutralize free radicals, or unstable molecules generated by UV exposure, pollution, and other environmental stressors, before they can cause oxidative damage to your skin cells.
Topically applied tocopherol has been shown to protect against UV damage by ramping up the skin's own natural defense enzymes.
It also acts as a skin conditioning agent; some studies show that regular topical use can improve the skin's water-binding capacity over 2-4 weeks.
This ingredient is especially loved for being a team player. When combined with Vitamin C, the photoprotective effect of both ingredients roughly doubles and the combo also helps reduce UV-induced DNA damage.
This ingredient has some brightening potential but it's more of a prevention ingredient than spot-fader. Cell studies show it can slow down melanin production but it's worth noting that it's not the most powerful brightener out there.
In formulations, it also serves as a stabilizer that helps protect other oxidation-prone ingredients from degrading.
Concentrations usually range from 0.1-1% in most leave-on products.
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!