Skin science article
Paula's Choice Resist Barrier Repair Moisturizer with Retinol Versus Dermalogica Intensive Moisture Balance Moisturizer
Paula's Choice Resist Barrier Repair Moisturizer with Retinol Versus Dermalogica Intensive Moisture Balance Moisturizer This barrier-repair moisturizer is formulated around Retinol and Ceramide NP to strengthen the skin barrier and soften the look of wrinkles.
Paula's Choice Resist Barrier Repair Moisturizer with Retinol Versus Dermalogica Intensive Moisture Balance Moisturizer
This barrier-repair moisturizer is formulated around Retinol and Ceramide NP to strengthen the skin barrier and soften the look of wrinkles.
This barrier-repair moisturizer is formulated around Sodium Hyaluronate and Ceramide NP to strengthen the skin barrier and hydrate skin.
What's inside
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Dicaprylyl Carbonate
Glycerin
Ethylhexyl Stearate
Cocoglycerides
Butyrospermum Parkii Butter
Squalane
Sodium Polyacrylate
Lecithin
Adenosine
Palmitoyl Tripeptide-1
Ceramide NP
Retinol
Punica Granatum Extract
Camellia Oleifera Leaf Extract
Glycyrrhiza Glabra Root Extract
Tetrahydrodiferuloylmethane
Tetrahydrodemethoxydiferuloylmethane
Tetrahydrobisdemethoxydiferuloylmethane
Tocopheryl Acetate
Chamomilla Recutita Flower Extract
Glycine Soja Seed Extract
Glycine Soja Oil
Butylene Glycol
Propylene Glycol
Glyceryl Polymethacrylate
Xanthan Gum
Phenoxyethanol
Water, Dicaprylyl Carbonate, Glycerin, Ethylhexyl Stearate, Cocoglycerides, Butyrospermum Parkii Butter, Squalane, Sodium Polyacrylate, Lecithin, Adenosine, Palmitoyl Tripeptide-1, Ceramide NP, Retinol, Punica Granatum Extract, Camellia Oleifera Leaf Extract, Glycyrrhiza Glabra Root Extract, Tetrahydrodiferuloylmethane, Tetrahydrodemethoxydiferuloylmethane, Tetrahydrobisdemethoxydiferuloylmethane, Tocopheryl Acetate, Chamomilla Recutita Flower Extract, Glycine Soja Seed Extract, Glycine Soja Oil, Butylene Glycol, Propylene Glycol, Glyceryl Polymethacrylate, Xanthan Gum, Phenoxyethanol
Ethylhexyl Hydroxystearate
Cetearyl Ethylhexanoate
Cetyl Caprylate
Stearic Acid
PEG-8
Octyldodecanol
Dimethicone
Glyceryl Stearate Se
PEG-100 Stearate
Sodium Hyaluronate
Hydrolyzed Sodium Hyaluronate
Sodium Ascorbyl Phosphate
Chlorella Vulgaris Extract
Phytosterols
Centella Asiatica Extract
Linoleic Acid
Echinacea Purpurea Extract
Aloe Barbadensis Extract
Palmitic Acid
Myristic Acid
Rosa Centifolia Extract
Lactic Acid
Linolenic Acid
Propanediol
Tocopherol
Potassium Cetyl Phosphate
Helianthus Annuus Seed Oil
Tetrasodium Glutamate Diacetate
Ethylhexylglycerin
Cetyl Alcohol
Carbomer
Hydroxystearic Acid
Aminomethyl Propanol
Sodium Hydroxide
Water, Ethylhexyl Hydroxystearate, Butylene Glycol, Cetearyl Ethylhexanoate, Cetyl Caprylate, Stearic Acid, PEG-8, Octyldodecanol, Dimethicone, Glyceryl Stearate Se, PEG-100 Stearate, Sodium Hyaluronate, Hydrolyzed Sodium Hyaluronate, Sodium Ascorbyl Phosphate, Chlorella Vulgaris Extract, Ceramide NP, Phytosterols, Centella Asiatica Extract, Linoleic Acid, Echinacea Purpurea Extract, Aloe Barbadensis Extract, Palmitic Acid, Myristic Acid, Rosa Centifolia Extract, Lactic Acid, Linolenic Acid, Propanediol, Tocopherol, Potassium Cetyl Phosphate, Helianthus Annuus Seed Oil, Tetrasodium Glutamate Diacetate, Ethylhexylglycerin, Cetyl Alcohol, Carbomer, Hydroxystearic Acid, Aminomethyl Propanol, Sodium Hydroxide, Phenoxyethanol
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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.
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.
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.
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!