Skin science article
Dear, Klairs Midnight Blue Calming Cream Versus DRMTLGY Peptide Night Cream
Dear, Klairs Midnight Blue Calming Cream Versus DRMTLGY Peptide Night Cream This calming moisturizer is formulated around Centella Asiatica Extract and Ceramide NP to calm redness and strengthen the skin barrier. This anti-aging night moisturizer is formulated
Dear, Klairs Midnight Blue Calming Cream Versus DRMTLGY Peptide Night Cream
This calming moisturizer is formulated around Centella Asiatica Extract and Ceramide NP to calm redness and strengthen the skin barrier.
This anti-aging night moisturizer is formulated around Palmitoyl Tripeptide-1 and Palmitoyl Tripeptide-5 to soften the look of wrinkles.
What's inside
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Cetyl Ethylhexanoate
Butylene Glycol
Glycerin
Sodium Hyaluronate
Caprylic/Capric Triglyceride
Centella Asiatica Extract
Sorbitan Stearate
Cetyl Alcohol
Butyrospermum Parkii Butter
Argania Spinosa Kernel Oil
Simmondsia Chinensis Seed Oil
Sorbitan Sesquioleate
Glyceryl Stearate
Stearic Acid
Portulaca Oleracea Extract
Anthemis Nobilis Flower Extract
Ceramide NP
Polysorbate 60
Candelilla Cera
Chlorphenesin
Tocopheryl Acetate
Xanthan Gum
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
Morus Alba Root Extract
Tromethamine
Brassica Oleracea Italica Extract
Guaiazulene
Acetyl Hexapeptide-8
Lecithin
Acetyl Glutamine
Sh-Oligopeptide-1
Sh-Oligopeptide-2
Sh-Polypeptide-1
Sh-Polypeptide-9
Sh-Polypeptide-11
Bacillus/Folic Acid/Soybean Ferment Extract
Caprylyl Glycol
1,2-Hexanediol
Water, Cetyl Ethylhexanoate, Butylene Glycol, Glycerin, Sodium Hyaluronate, Caprylic/Capric Triglyceride, Centella Asiatica Extract, Sorbitan Stearate, Cetyl Alcohol, Butyrospermum Parkii Butter, Argania Spinosa Kernel Oil, Simmondsia Chinensis Seed Oil, Sorbitan Sesquioleate, Glyceryl Stearate, Stearic Acid, Portulaca Oleracea Extract, Anthemis Nobilis Flower Extract, Ceramide NP, Polysorbate 60, Candelilla Cera, Chlorphenesin, Tocopheryl Acetate, Xanthan Gum, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Morus Alba Root Extract, Tromethamine, Brassica Oleracea Italica Extract, Guaiazulene, Acetyl Hexapeptide-8, Lecithin, Acetyl Glutamine, Sh-Oligopeptide-1, Sh-Oligopeptide-2, Sh-Polypeptide-1, Sh-Polypeptide-9, Sh-Polypeptide-11, Bacillus/Folic Acid/Soybean Ferment Extract, Caprylyl Glycol, 1,2-Hexanediol
Propanediol
C12-15 Alkyl Benzoate
Isopropyl Palmitate
Undecane
Dimethicone
PEG-100 Stearate
Palmitoyl Dipeptide-5 Diaminobutyroyl Hydroxythreonine
Palmitoyl Tripeptide-1
Palmitoyl Tripeptide-5
Palmitoyl Tetrapeptide-7
Trifluoroacetyl Tripeptide-2
Tetradecyl Aminobutyroylvalylaminobutyric Urea Trifluoroacetate
Ceramide AP
Ceramide EOP
Phytosphingosine
Cholesterol
Tridecane
Allantoin
Tocopherol
Glycol Distearate
Potassium Cetyl Phosphate
Ethylhexylglycerin
Carbomer
Polysorbate 20
Dextran
Magnesium Chloride
Phenoxyethanol
Disodium EDTA
Sodium Hydroxide
Sodium Lauroyl Lactylate
Water, Glyceryl Stearate, Propanediol, C12-15 Alkyl Benzoate, Glycerin, Isopropyl Palmitate, Undecane, Butyrospermum Parkii Butter, Caprylic/Capric Triglyceride, Cetyl Alcohol, Dimethicone, PEG-100 Stearate, Palmitoyl Dipeptide-5 Diaminobutyroyl Hydroxythreonine, Palmitoyl Tripeptide-1, Palmitoyl Tripeptide-5, Palmitoyl Tetrapeptide-7, Trifluoroacetyl Tripeptide-2, Tetradecyl Aminobutyroylvalylaminobutyric Urea Trifluoroacetate, Ceramide NP, Ceramide AP, Ceramide EOP, Phytosphingosine, Cholesterol, Tridecane, Allantoin, Tocopherol, Glycol Distearate, Potassium Cetyl Phosphate, Butylene Glycol, Ethylhexylglycerin, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Carbomer, Polysorbate 20, Dextran, Magnesium Chloride, Phenoxyethanol, Disodium EDTA, Sodium Hydroxide, Sodium Lauroyl Lactylate, Xanthan Gum
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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.
Acrylates/C10-30 Alkyl Acrylate Crosspolymer is a synthetic polymer. It is used to thicken, emulsify, and improve the texture of products.
As an emulsifier, it helps stabilize oil-in-water emulsions to give products an elegant feel when applied.
It can also form a thin protective film on skin. One study found that a formula using this polymer helped slow down how quickly other ingredients (like DEET) were absorbed through skin.
A 2024 study of over 1,300 patients confirmed that sensitization to this ingredient is rare. It is also non-mutagenic and has a clean track record.
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.
This ingredient is also known as shea butter. It is a plant-derived extract from the nuts of the Africa shea tree and one of the most well-studied emollients.
Because it has a high concentration of fatty acids (primarily oleic, stearic, and linoleic) it is able to form a protective barrier on the skin's surface. This helps seal in moisture and prevents transepidermal water loss (TEWL).
In vitro research found an increase in skin hydration by 58% and a decrease in TEWL by 37.8% after 24 hours of applying this ingredient (pretty impressive for a single ingredient!).
Besides hydration, shea butter also contains triterpenes that have anti-inflammatory potential. In particule, lupeol cinnamate has shown the highest anti-inflammatory activity in vivo.
Shea butter also contains vitamins A and E which may contribute to antioxidant activity.
While Shea Butter has an SPF rating of about 3-4, it is not a sunscreen replacement.
This ingredient may not be fungal acne safe because its fatty acids fall within the C11-C24 range that the Malassezia yeast can metabolize.
Caprylic/Capric Triglyceride (aka MCT Oil) is a lightweight emollient, solvent, and texture enhancer. It is considered a skin-softener by helping to prevent moisture loss.
Though it behaves like an oil, it is not technically one due to its chemical composition. One perk of this ingredient is that it is very stable, resistant to oxidation, and unlikely to go rancid.
In practice, that translates to a long shelf life and a consistently elegant skin feel.
While there is an assumption Caprylic Triglyceride can clog pores due to it being derived from coconut oil, there is no research supporting this. Just patch test if you have concerns.
Fractionated coconut oil and MCT Oil are both listed as Caprylic/Capric Triglyceride according to INCI. This is because INCI names are based on the ingredient’s final chemical composition and not its marketing name or source.
This ingredient is treated as the gold standard fungal acne safe oil. Even though it is coconut derived, the problematic lauric acid is stripped out.
This leaves just caprylic (C8) and capric (C10) acid. These chain lengths actually trend antifungal; a 2020 study found caprylic acid was enough to disrupt Malassezia furfur cell membrane, with a caprylic acid derivative damaging membrane structures at concentrations as low as 0.2%.
Ceramide NP (formerly known as Ceramide 3) is one of the skin's naturally occurring lipids.
Since ceramides are the major lipid components of the skin, they are crucial for maintaining skin barrier and hydration. Ceramide NP most closely mirrors the dominant kind in human skin amongst ceramide subtypes.
This ceramide works by slotting into gaps within the stratum corneum's lipid matrix to limit trans-epidermal water loss (TEWL) and shield the skin against external irritants.
A study with 312 patients found that using a ceramide-containing routine for 4 weeks reduced the severity of atopic dermatitis by over 61%.
Another clinical study in subjects aged 60 and older found that a ceramide body wash and moisturizer improved skin dryness and itchy skin in 15 days.
Overall, ceramides are considered non-irritating and safety tests have found little to no observable adverse effects from using this ingredient.
Ceramide NP is usually sourced from plants (like soybean or rice bran), or produced synthetically.
Cetyl Alcohol is a fatty alcohol. Fatty Alcohols are most often used as an emollient or to thicken a product.
Its main roles are:
Though it has "alcohol" in the name, it is not related to denatured alcohol or ethyl alcohol.
The FDA allows products labeled "alcohol-free" to have fatty alcohols.
This ingredient may not be fungal acne safe. It is a primary fatty alcohol with a chain length above 12 carbons. A study from 2019 show Malassezia can feed on fatty alcohols in this range, so it may trigger fungal acne in those prone to it.
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.
Glyceryl Stearate is made by reacting glycerin with stearic acid (typically sourced from plant oils like palm or coconut). It's an emulsifier, emollient, and mild occlusive.
Emulsifiers help ingredients like oil and water stay mixed so your formula stays nicely blended and uniform in texture.
This ingredient is typically used in concentrations between 1-10%. Studies have found it to be non-sensitizing, non-phototoxic, and non-photoallergenic.
A close cousin of this ingredient is Glyceryl Stearate SE ("self-emulsifying"). This just has a small amount of sodium or potassium stearate added so it can emulsify without a co-emulsifier.
Since this ingredient is an ester of a C18 fatty acid, it may not be fungal acne safe. The Malassezia yeast can potentially metabolize within the C11-C24 range.
Fun fact: The human body also creates Glyceryl Stearate naturally.
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!
Xanthan gum is used as a stabilizer and thickener within cosmetic products. It helps give products a sticky, thick feeling - preventing them from being too runny.
On the technical side of things, xanthan gum is a polysaccharide - a combination consisting of multiple sugar molecules bonded together.
Xanthan gum is a pretty common and great ingredient. It is a natural, non-toxic, non-irritating ingredient that is also commonly used in food products.