Paula's Choice Resist Ultra-Light Super Antioxidant Concentrate Serum Versus Paula's Choice Earth Sourced Power Berry Serum

Paula's Choice Resist Ultra-Light Super Antioxidant Concentrate Serum Versus Paula's Choice Earth Sourced Power Berry Serum

This anti-aging serum is formulated around Resveratrol and Niacinamide to soften the look of wrinkles and calm redness.

This calming serum is formulated around Glycyrrhiza Glabra Root Extract and Tetrahexyldecyl Ascorbate to calm redness and brighten dull-looking skin.

What's inside

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

Water

Cyclopentasiloxane

Butylene Glycol

Dimethicone

Glycerin

Polysorbate 20

Polysilicone-11

Lauryl PEG-9 Polydimethylsiloxyethyl Dimethicone

Hyaluronic Acid

Resveratrol

Niacinamide

Quercetin

Adenosine

Tetrahexyldecyl Ascorbate

Tocopherol

Phospholipids

Ubiquinone

Epigallocatechin Gallate

Sea Whip Extract

Bisabolol

Beta-Glucan

Phytic Acid

Xanthan Gum

Acrylates/C10-30 Alkyl Acrylate Crosspolymer

Sodium Hydroxide

Disodium EDTA

Ethylhexylglycerin

Phenoxyethanol

Water, Cyclopentasiloxane, Butylene Glycol, Dimethicone, Glycerin, Polysorbate 20, Polysilicone-11, Lauryl PEG-9 Polydimethylsiloxyethyl Dimethicone, Hyaluronic Acid, Resveratrol, Niacinamide, Quercetin, Adenosine, Tetrahexyldecyl Ascorbate, Tocopherol, Phospholipids, Ubiquinone, Epigallocatechin Gallate, Sea Whip Extract, Bisabolol, Beta-Glucan, Phytic Acid, Xanthan Gum, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Sodium Hydroxide, Disodium EDTA, Ethylhexylglycerin, Phenoxyethanol

Coco-Caprylate

Propanediol

Glyceryl Stearate

Emblica Officinalis Fruit Extract

Euterpe Oleracea Fruit Extract

Vaccinium Macrocarpon Fruit Extract

Vaccinium Myrtillus Fruit Extract

Rubus Idaeus Fruit Extract

Sambucus Nigra Fruit Extract

Malpighia Emarginata Fruit Extract

Hippophae Rhamnoides Fruit Extract

Schisandra Chinensis Fruit Extract

Rubus Chamaemorus Fruit Extract

Lycium Barbarum Fruit Extract

Plinia Cauliflora Fruit Extract

Fragaria Vesca Fruit Extract

Melia Azadirachta Flower Extract

Melia Azadirachta Leaf Extract

Myrciaria Dubia Fruit Extract

Vitis Vinifera Seed Extract

Glycyrrhiza Glabra Root Extract

Squalane

Acetyl Tetrapeptide-9

Acetyl Tetrapeptide-11

Prunus Domestica Seed Oil

Sesamum Indicum Seed Oil

Leuconostoc/Radish Root Ferment Filtrate

Corallina Officinalis Extract

Coccinia Indica Fruit Extract

Brassica Campestris Seed Oil

Mannitol

Potassium Sorbate

Sodium Benzoate

Water, Glycerin, Coco-Caprylate, Butylene Glycol, Propanediol, Glyceryl Stearate, Emblica Officinalis Fruit Extract, Euterpe Oleracea Fruit Extract, Vaccinium Macrocarpon Fruit Extract, Vaccinium Myrtillus Fruit Extract, Rubus Idaeus Fruit Extract, Sambucus Nigra Fruit Extract, Malpighia Emarginata Fruit Extract, Hippophae Rhamnoides Fruit Extract, Schisandra Chinensis Fruit Extract, Rubus Chamaemorus Fruit Extract, Lycium Barbarum Fruit Extract, Plinia Cauliflora Fruit Extract, Fragaria Vesca Fruit Extract, Melia Azadirachta Flower Extract, Melia Azadirachta Leaf Extract, Myrciaria Dubia Fruit Extract, Vitis Vinifera Seed Extract, Glycyrrhiza Glabra Root Extract, Squalane, Tetrahexyldecyl Ascorbate, Tocopherol, Acetyl Tetrapeptide-9, Acetyl Tetrapeptide-11, Prunus Domestica Seed Oil, Sesamum Indicum Seed Oil, Leuconostoc/Radish Root Ferment Filtrate, Corallina Officinalis Extract, Coccinia Indica Fruit Extract, Brassica Campestris Seed Oil, Xanthan Gum, Mannitol, Potassium Sorbate, Sodium Benzoate, Phenoxyethanol, 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.

Ethylhexylglycerin is created from glycerin. It is a multitasker ingredient that:

The CIR Expert Panel found minimal skin absorption or sensitization of any kind in a safety assessment. Though this ingredient is considered well-tolerated, a small number of cases of allergic dermatitis have been published since 2002. Just be sure to patch test if you are unsure.

Industry-reported use ranges from 8% in rinse-off products and 2% in leave-on formulations.

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.

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.

Tetrahexyldecyl Ascorbate (THD) is a stable and oil-soluble form of Vitamin C.

THD is special in that it has the ability to travel deeper into skin than traditional ascorbic acid while maintaining the same skin benefits (double win!).

Because it’s oil-soluble, THD dives deep into your skin’s fatty layers (think ceramides and cholesterol) to fight off the kind of free radicals that mess with your skin barrier. This makes it a great pair with water-based vitamin C (ascorbic acid) that mainly works on the surface.

Even at just 0.1%, THD is already showing great antioxidant activity. When used up to 2%, it helps keep your skin happy and calm, especially when it’s stressed from pollution or sun.

Want to fade dark spots or tackle hyperpigmentation? You’ll want 5% or more. Pairing it with brightening buddies like niacinamide or licorice root gives even better results. One study even used 30% THD with other brighteners and saw real results on stubborn discoloration, even in melasma-prone skin.

A note on THD: It’s has a slightly silky, oily texture and usually shows up colorless or pale yellow (though the exact shade can vary by supplier).

While you can sneak it into water-based formulas, it really shines when paired with silicones or oils, which help your skin soak it up better.

THD is pretty stable, but it’s still vulnerable to degradation like ascorbic acid. Too much light or heat (above 113°F / 45°C) can break it down over time. Go for dark and opaque packaging that keeps it safe and shady!

Read more about other types of Vitamin C:

Tocopherol is a fat-soluble antioxidant known as Vitamin E.

You'll find this ingredient in the vast majority of skincare (for good reason). It works to neutralize free radicals, or unstable molecules generated by UV exposure, pollution, and other environmental stressors, before they can cause oxidative damage to your skin cells.

Topically applied tocopherol has been shown to protect against UV damage by ramping up the skin's own natural defense enzymes.

It also acts as a skin conditioning agent; some studies show that regular topical use can improve the skin's water-binding capacity over 2-4 weeks.

This ingredient is especially loved for being a team player. When combined with Vitamin C, the photoprotective effect of both ingredients roughly doubles and the combo also helps reduce UV-induced DNA damage.

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.

In formulations, it also serves as a stabilizer that helps protect other oxidation-prone ingredients from degrading.

Concentrations usually range from 0.1-1% in most leave-on products.

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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