Skin science article
rhode Peptide Glazing Fluid Versus Drunk Elephant Protini Powerpeptide Resurfacing Serum
rhode Peptide Glazing Fluid Versus Drunk Elephant Protini Powerpeptide Resurfacing Serum This barrier-repair serum is formulated around Sclerocarya Birrea Seed Oil and Niacinamide to strengthen the skin barrier and soften the look of wrinkles. This smoothing s
rhode Peptide Glazing Fluid Versus Drunk Elephant Protini Powerpeptide Resurfacing Serum
This barrier-repair serum is formulated around Sclerocarya Birrea Seed Oil and Niacinamide to strengthen the skin barrier and soften the look of wrinkles.
This smoothing serum is formulated around Lactic Acid and Sh-Oligopeptide-1 to refine skin texture and soften the look of wrinkles.
What's inside
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Butylene Glycol
Glycerin
Sclerocarya Birrea Seed Oil
Niacinamide
Tetradecane
Capryloyl Glycerin/Sebacic Acid Copolymer
Diheptyl Succinate
Benzyl Alcohol
Glyceryl Oleate
Sucrose Palmitate
Hydroxyacetophenone
Carbomer
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
Caprylyl Glycol
Sodium Hydroxide
Disodium Phosphate
Sodium Phosphate
Sodium Hyaluronate
Dilauryl Thiodipropionate
Acetyl Hexapeptide-8
Water, Butylene Glycol, Glycerin, Sclerocarya Birrea Seed Oil, Niacinamide, Tetradecane, Capryloyl Glycerin/Sebacic Acid Copolymer, Diheptyl Succinate, Benzyl Alcohol, Glyceryl Oleate, Sucrose Palmitate, Hydroxyacetophenone, Carbomer, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Caprylyl Glycol, Sodium Hydroxide, Disodium Phosphate, Sodium Phosphate, Sodium Hyaluronate, Dilauryl Thiodipropionate, Acetyl Hexapeptide-8
Lactic Acid
Dicaprylyl Carbonate
Squalane
Glycine Max Seed Extract
Camellia Sinensis Seed Oil
Sodium PCA
Caprylic/Capric Triglyceride
Borago Officinalis Seed Oil
Tremella Fuciformis Polysaccharide
Tocotrienols
Sh-Oligopeptide-1
Sh-Oligopeptide-2
Sh-Polypeptide-1
Sh-Polypeptide-9
Sh-Polypeptide-11
Copper Palmitoyl Heptapeptide-14
Heptapeptide-15 Palmitate
Palmitoyl Tetrapeptide-7
Palmitoyl Tripeptide-1
Palmitoyl Tripeptide-38
Palmitoyl Hexapeptide-12
Tripeptide-1
Pyrus Malus Fruit Extract
Propanediol
Panthenol
Sodium Hyaluronate Crosspolymer
Sodium Lactate
PCA
Alanine
Arginine
Glycine
Histidine
Isoleucine
Phenylalanine
Proline
Serine
Threonine
Valine
Adenosine
Nymphaea Alba Root Extract
Bacillus/Folic Acid Ferment Filtrate Extract
Symphytum Officinale Callus Culture Extract
Dextran
Oryza Sativa Bran Oil
Linoleic Acid
Linolenic Acid
Acetyl Glutamine
Coconut Alkanes
Coco-Caprylate/Caprate
Pentylene Glycol
Isomalt
Lecithin
Xanthan Gum
Aspartic Acid
Phytosphingosine
Phospholipids
Glycine Soja Sterols
Tocopherol
Citric Acid
Lactic Acid/Glycolic Acid Copolymer
Polyvinyl Alcohol
Phenoxyethanol
Sodium Benzoate
Hydroxypropyl Cyclodextrin
Polysorbate 20
Phenylpropanol
Chlorphenesin
Glyceryl Caprylate
Ethylhexylglycerin
Water, Glycerin, Lactic Acid, Dicaprylyl Carbonate, Squalane, Sodium Hydroxide, Glycine Max Seed Extract, Sclerocarya Birrea Seed Oil, Camellia Sinensis Seed Oil, Sodium PCA, Caprylic/Capric Triglyceride, Borago Officinalis Seed Oil, Tremella Fuciformis Polysaccharide, Tocotrienols, Sh-Oligopeptide-1, Sh-Oligopeptide-2, Sh-Polypeptide-1, Sh-Polypeptide-9, Sh-Polypeptide-11, Copper Palmitoyl Heptapeptide-14, Heptapeptide-15 Palmitate, Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-1, Palmitoyl Tripeptide-38, Palmitoyl Hexapeptide-12, Tripeptide-1, Pyrus Malus Fruit Extract, Propanediol, Sodium Hyaluronate, Panthenol, Sodium Hyaluronate Crosspolymer, Sodium Lactate, PCA, Alanine, Arginine, Glycine, Histidine, Isoleucine, Phenylalanine, Proline, Serine, Threonine, Valine, Adenosine, Nymphaea Alba Root Extract, Bacillus/Folic Acid Ferment Filtrate Extract, Symphytum Officinale Callus Culture Extract, Dextran, Oryza Sativa Bran Oil, Linoleic Acid, Linolenic Acid, Butylene Glycol, Acetyl Glutamine, Coconut Alkanes, Coco-Caprylate/Caprate, Pentylene Glycol, Isomalt, Lecithin, Xanthan Gum, Aspartic Acid, Phytosphingosine, Phospholipids, Glycine Soja Sterols, Tocopherol, Citric Acid, Lactic Acid/Glycolic Acid Copolymer, Polyvinyl Alcohol, Phenoxyethanol, Sodium Benzoate, Hydroxypropyl Cyclodextrin, Polysorbate 20, Caprylyl Glycol, Phenylpropanol, Chlorphenesin, Carbomer, Glyceryl Caprylate, Ethylhexylglycerin
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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.
Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:
Overall, Butylene Glycol is a safe and well-rounded ingredient that works well with other ingredients.
Though this ingredient works well with most skin types, some people with sensitive skin may experience a reaction such as allergic rashes, closed comedones, or itchiness.
Caprylyl Glycol is a humectant, skin conditioner, emollient, and preservative booster derived from either caprylic acid or synthetically created.
Typical use levels vary from 0.3-1% as a preservative booster and go up to 2% to condition skin.
Because it is not a free-fatty acid, this ingredient is fungal acne safe (there's nothing for Malassezia to feed on).
Carbomer is a synthetic thickening and gelling agent. It's basically the ingredient that gives a lot of serums, gels, creams, and sunscreens their smooth, non-sticky texture.
Although legally permitted at very high levels, carbomers are normally used at concentrations below 1%.
It also needs to be neutralized to actually thicken, and because it is a large molecule, it doesn't really penetrate the skin barrier.
Allergy-wise, the risk is very low. Clinical studies show carbomers have low potential for skin irritation/sensitization even at concentrations up to 100%.
A 2024 UK study patch-tested 1,302 patients and found true allergy to the parent group of carbomer to be rare with no confirmed relevant reactions.
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.
Sclerocarya Birrea Seed Oil (aka marula oil) is a skin hydrating ingredient.
Its fatty acid profile is dominated by oleic acid (~69%), palmitic acid (~15%), linoleic acid (~9%), and palmitoleic acid (~4%).
These fatty acids are very similar to those naturally found in the epidermis, making this oil biomimetic; basically, your skin recognizes it.
Clinical testing found this ingredient to be moisturizing and non-irritating, with noteworthy effects on reducing transepidermal water loss (TEWL).
Besides fatty acids, marula oil is also rich in oxidative stabilizers like vitamin E, vitamin C precursors, and polyphenols. This gives it excellent shelf stability compared to most facial oils.
This is a great ingredient for dry, dull, or barrier-compromised skin.
Just know it may not be fungal acne safe due to the oleic and palmitic acid content. These fatty acids can as as a food source for the Malassezia yeast.
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.
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.
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!