Skin science article
Elemis Pro-Collagen Oxygenating Night Cream Versus First Aid Beauty Firming Collagen Cream With Peptides + Niacinamide
Elemis Pro-Collagen Oxygenating Night Cream Versus First Aid Beauty Firming Collagen Cream With Peptides + Niacinamide This anti-aging moisturizer is formulated around Niacinamide to soften the look of wrinkles and strengthen the skin barrier. What's inside Ke
Elemis Pro-Collagen Oxygenating Night Cream Versus First Aid Beauty Firming Collagen Cream With Peptides + Niacinamide
This anti-aging moisturizer is formulated around Niacinamide to soften the look of wrinkles and strengthen the skin barrier.
What's inside
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Glyceryl Stearate Se
Glycerin
Isononyl Isononanoate
Ethylhexyl Palmitate
Butyrospermum Parkii Butter
Lauryl Laurate
Ethyl Macadamiate
Propylene Glycol Dicaprylate/Dicaprate
Cetyl Alcohol
Phenoxyethanol
Sodium Polyacrylate
Potassium Cetyl Phosphate
Simmondsia Chinensis Seed Oil
Oryza Sativa Starch
Parfum
Butylene Glycol
Laminaria Digitata Extract
Chlorphenesin
Sesamum Indicum Oil Unsaponifiables
Triticum Vulgare Germ Oil Unsaponifiables
Persea Gratissima Oil
Phytosterols
Glyceryl Acrylate/Acrylic Acid Copolymer
Disodium EDTA
Sodium Dehydroacetate
Olea Europaea Fruit Oil
Padina Pavonica Thallus Extract
Glyceryl Polyacrylate
Citronellol
Linalool
Collagen Amino Acids
Lithothamnion Calcareum Extract
Mimosa Tenuiflora Bark Extract
Mannitol
Leuconostoc/Radish Root Ferment Filtrate
Tocopherol
Sorbitan Oleate
Geraniol
Limonene
Hydroxycitronellal
Citric Acid
Malic Acid
Diatomaceous Earth
Tocopheryl Acetate
Ascorbyl Palmitate
Sodium Hydroxide
Zinc Sulfate
Hexapeptide-9
Water, Glyceryl Stearate Se, Glycerin, Isononyl Isononanoate, Ethylhexyl Palmitate, Butyrospermum Parkii Butter, Lauryl Laurate, Ethyl Macadamiate, Propylene Glycol Dicaprylate/Dicaprate, Cetyl Alcohol, Phenoxyethanol, Sodium Polyacrylate, Potassium Cetyl Phosphate, Simmondsia Chinensis Seed Oil, Oryza Sativa Starch, Parfum, Butylene Glycol, Laminaria Digitata Extract, Chlorphenesin, Sesamum Indicum Oil Unsaponifiables, Triticum Vulgare Germ Oil Unsaponifiables, Persea Gratissima Oil, Phytosterols, Glyceryl Acrylate/Acrylic Acid Copolymer, Disodium EDTA, Sodium Dehydroacetate, Olea Europaea Fruit Oil, Padina Pavonica Thallus Extract, Glyceryl Polyacrylate, Citronellol, Linalool, Collagen Amino Acids, Lithothamnion Calcareum Extract, Mimosa Tenuiflora Bark Extract, Mannitol, Leuconostoc/Radish Root Ferment Filtrate, Tocopherol, Sorbitan Oleate, Geraniol, Limonene, Hydroxycitronellal, Citric Acid, Malic Acid, Diatomaceous Earth, Tocopheryl Acetate, Ascorbyl Palmitate, Sodium Hydroxide, Zinc Sulfate, Hexapeptide-9
Niacinamide
C12-15 Alkyl Benzoate
Caprylic/Capric Triglyceride
Palmitic Acid
Stearic Acid
Glyceryl Stearate
Dimethicone
Cetearyl Alcohol
Panthenol
Colloidal Oatmeal
Collagen
Squalane
Ceramide NP
Allantoin
Saccharomyces Ferment
Caprylyl Glycol
Lauroyl Lysine
Tetrasodium Glutamate Diacetate
Xanthan Gum
Water, Glycerin, Niacinamide, C12-15 Alkyl Benzoate, Caprylic/Capric Triglyceride, Palmitic Acid, Stearic Acid, Glyceryl Stearate, Glyceryl Stearate Se, Dimethicone, Cetearyl Alcohol, Panthenol, Colloidal Oatmeal, Collagen, Squalane, Ceramide NP, Hexapeptide-9, Butyrospermum Parkii Butter, Allantoin, Saccharomyces Ferment, Caprylyl Glycol, Lauroyl Lysine, Butylene Glycol, Tetrasodium Glutamate Diacetate, Xanthan Gum, Phenoxyethanol, Sodium Hydroxide
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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.
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.
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 Se is a self-emulsifying (SE) form of glyceryl stearate. Self-emusifying means this ingredient automatically blends with water. It is an emulsifier, emollient, and cleansing agent.
As an emulsifier, Glyceryl Stearate Se prevents ingredients such as oil and water from separating. It is also a surfactant, meaning it helps cleanse the skin. Surfactants help gather oil, dirt, and other pollutants so they may be rinsed away easily.
Emollients help your skin stay smooth and soft. It does so by creating a film on top of the skin that helps trap moisture in.
Hexapeptide-9 is a signaling peptide that is made to mimic a fragment found naturally in collagen IV and XVII.
It is classified as a matrikine peptide and works by telling your skin cells (especially fibroblasts) to ramp up collagen and hyaluronic acid production.
In-vitro studies show it can enhance epidermal regeneration, boost synthesis of collagen types I, III, and IV, and improved markers of skin differentiation.
Think of skin differentiation like this: your skin cells are born at the bottom and slowly travel up to the surface as they "grow up". As they move up, they start producing specific proteins that make your skin do its job well. Two of these proteins are keratin (it makes your skin tough) and filaggrin (it breaks apart into tiny molecules to keep your skin hydrated). So Hexapeptide-9 has shown to help skin cells grow up properly and make stronger, more hydrated skin.
A manufacturer also reports increased collagen production by 117% and hyaluronic acid production by 267%.
Just know much of the published data comes from manufacturer-sponsored studies. There is a recent clinical trial showing promising anti-aging results but the evidence base is still growing.
Generally, this ingredient is well-tolerated and there's no harm in using it as a supportive ingredient in your routine.
Phenoxyethanol is one of the most widely used preservatives in skincare (and for good reason!).
It has a large spectrum of antimicrobial activity and especially effective bacteria, yeast, and mold while only having a weak effect on your skin's natural microbiome.
On a cellular level, it disrupts the cell membranes of microbes by poking holes that make the cell leak. This shuts down the chemical reactions the microbe needs to make energy so it can no longer survive.
Another perk of this ingredient is that it stays functional across a wide pH range (3-10).
You'll often see it paired with boosters like Ethylhexylglycerin; one study showed that a 1:9 ratio of Ethylhexylglycerin to Phenoxyethanol damages bacterial membranes as effectively as doubling the Phenoxyethanol concentration on its own.
Typical use concentrations range from 0.3-1% depending on the formula, and this ingredient is capped at 1% int the EU.
Safety-wise, the fear mongering does not hold up to the evidence. The EU's Scientific Committee on Consumer Safety and FDA consider it safe as a preservative at up to 1%, including for children of all ages.
Adverse systemic effects only showed up in animal studies at exposures roughly 200x higher than what people get from cosmetics. And despite its very widespread use, this ingredient is a rare sensitizer and allergic reactions are uncommon.
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!