Charlotte Tilbury Magic Cream Moisturizer Versus Paula's Choice Resist Barrier Repair Moisturizer with Retinol

Charlotte Tilbury Magic Cream Moisturizer Versus Paula's Choice Resist Barrier Repair Moisturizer with Retinol

This anti-aging moisturizer is formulated around Butyrospermum Parkii Butter and Sodium Hyaluronate to soften the look of wrinkles and hydrate skin.

This barrier-repair moisturizer is formulated around Retinol and Ceramide NP to strengthen the skin barrier and soften the look of wrinkles.

What's inside

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

Water

C12-15 Alkyl Benzoate

Glyceryl Stearate Se

Butylene Glycol

Glycerin

Isononyl Isononanoate

Caprylic/Capric Triglyceride

Cetyl Alcohol

Ethylhexyl Palmitate

Cyclopentasiloxane

Dimethicone

Polyester-7

Phenoxyethanol

Neopentyl Glycol Diheptanoate

Hydrogenated Rapeseed Oil

Butyrospermum Parkii Butter

Steareth-21

Avena Sativa Kernel Extract

Carbomer

Dimethiconol

Potassium Cetyl Phosphate

Chlorphenesin

Caprylyl Glycol

Xanthan Gum

Hydrolyzed Viola Tricolor Extract

Allantoin

Aloe Barbadensis Leaf Juice Powder

Disodium EDTA

Tocopheryl Acetate

Camellia Oleifera Seed Oil

Rosa Canina Fruit Oil

Rosa Damascena Extract

Sodium Hydroxide

Helianthus Annuus Seed Oil

Michelia Alba Leaf Oil

Sodium Lactate

PEG-8

Ethylhexylglycerin

Coco-Glucoside

Sodium Hyaluronate

Tocopherol

Ascorbyl Palmitate

Plumeria Rubra Flower Extract

Ascorbic Acid

Citric Acid

Palmitoyl Tripeptide-1

Palmitoyl Tetrapeptide-7

Hydrolyzed Vegetable Protein

Citronellol

Geraniol

Linalool

Water, C12-15 Alkyl Benzoate, Glyceryl Stearate Se, Butylene Glycol, Glycerin, Isononyl Isononanoate, Caprylic/Capric Triglyceride, Cetyl Alcohol, Ethylhexyl Palmitate, Cyclopentasiloxane, Dimethicone, Polyester-7, Phenoxyethanol, Neopentyl Glycol Diheptanoate, Hydrogenated Rapeseed Oil, Butyrospermum Parkii Butter, Steareth-21, Avena Sativa Kernel Extract, Carbomer, Dimethiconol, Potassium Cetyl Phosphate, Chlorphenesin, Caprylyl Glycol, Xanthan Gum, Hydrolyzed Viola Tricolor Extract, Allantoin, Aloe Barbadensis Leaf Juice Powder, Disodium EDTA, Tocopheryl Acetate, Camellia Oleifera Seed Oil, Rosa Canina Fruit Oil, Rosa Damascena Extract, Sodium Hydroxide, Helianthus Annuus Seed Oil, Michelia Alba Leaf Oil, Sodium Lactate, PEG-8, Ethylhexylglycerin, Coco-Glucoside, Sodium Hyaluronate, Tocopherol, Ascorbyl Palmitate, Plumeria Rubra Flower Extract, Ascorbic Acid, Citric Acid, Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7, Hydrolyzed Vegetable Protein, Citronellol, Geraniol, Linalool

Dicaprylyl Carbonate

Ethylhexyl Stearate

Cocoglycerides

Squalane

Sodium Polyacrylate

Lecithin

Adenosine

Ceramide NP

Retinol

Punica Granatum Extract

Camellia Oleifera Leaf Extract

Glycyrrhiza Glabra Root Extract

Tetrahydrodiferuloylmethane

Tetrahydrodemethoxydiferuloylmethane

Tetrahydrobisdemethoxydiferuloylmethane

Chamomilla Recutita Flower Extract

Glycine Soja Seed Extract

Glycine Soja Oil

Propylene Glycol

Glyceryl Polymethacrylate

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

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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.

Palmitoyl Tripeptide-1 (aka Pal-GHK) is a synthetic signal peptide made of three amino acids attached to palmitic acid.

That fatty acid attachment is the key: it boosts the peptide's ability to penetrate the skin barrier. This puts it closer to the dermal cells where it can actually make a difference.

Once there, it acts as a matrikine, a signaling peptide that prompts fibroblasts to produce more collagen, fibronectin, and hyaluronic acid.

In vitro studies show it can boost collagen production in skin cells even when UV-damaged skin samples were treated with it at a tiny concentration (it almost fully restored dermal collagen at 5ppm). It achieved this at 100x lower concentration than retinoic acid, which needed 500 ppm to do the same thing.

Human clinical data is promising, but modest:

A study of 23 female volunteers found a small but statistically significant increase (~4%) in skin thickness after treatment at 4 ppm.

A separate small trial of 15 women showed statistically significant reductions in wrinkle length, depth, and skin roughness after applying it twice daily for four weeks.

You'll likely see Pal-GHK paired with Palmitoyl Tetrapeptide-7 as part of the Matrixyl 3000 complex.

Fungal acne note: Usually a palmitic acid component can feed Malassezia in unbound form, but here is is covalently bonded to the peptide. This means it is very difficult for Malassezia to access, and therefore very unlikely to cause fungal acne.

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.

Tocopheryl Acetate is a stable, shelf-friendly form of vitamin E.

Formulators love it because plain vitamin E oxidizes quickly once it hits air. This acetate version stays stable and resists going off, helping to extend a product's shelf life.

It's actually inactive on its own and works like a slow-release "storage" form; the enzymes in your skin called esterases gradually convert it into active vitamin E over time.

One in vivo study showed 5% of the acetate in the living layer of the epidermis converted to vitamin E after 5 days of application. This study also found the skin gained protection against UV damage even though the conversion was slow and small.

Once converted, vitamin E acts as a skin's main fat-soluble antioxidant that fights free radicals to protect skin from damage.

Topical vitamin E generally boosts the skin's photoprotection, and it reduced UV-damage in animal models.

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.

Overall, it has a pretty solid safety profile and has been found to be non-irritating and non-comedogenic. Allergic reactions may happen but stay rare due to how widely the ingredient gets used.

The concentration will vary depending on the formula; industry data shows 0.1% in baby lotions, 3% in lipsticks, and 5% in foot powders. You can also find this ingredient at 100% in a pure vitamin E oil.

Most leave-on skincare keeps it at the lower end, often between 0.5-1%.

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.

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