PCA Skin Exlinea Pro Peptide Serum Versus PCA Skin Hyaluronic Acid Boosting Serum

PCA Skin Exlinea Pro Peptide Serum Versus PCA Skin Hyaluronic Acid Boosting Serum

This anti-aging serum is formulated around Acetyl Octapeptide-3 and Acetyl Hexapeptide-8 to soften the look of wrinkles.

This hydrating serum is formulated around Niacinamide and Sodium Hyaluronate to hydrate skin and strengthen the skin barrier.

What's inside

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

Water

Glycerin

Pentylene Glycol

Glyceryl Isostearate

Isostearyl Isostearate

C13-15 Alkane

Betaine

Acrylates/C10-30 Alkyl Acrylate Crosspolymer

Xanthan Gum

Methyl Gluceth-20

Oryza Sativa Starch

Polyglyceryl-3 Laurate

Sodium Levulinate

Caprylyl Glycol

Levulinic Acid

Polyglyceryl-6 Oleate

Hydrolyzed Wheat Protein

Ethylhexylglycerin

Hydrolyzed Soy Protein

Sodium Hydroxide

Tetrasodium Glutamate Diacetate

Butylene Glycol

Pectin

Hydroxyethylcellulose

Arginine

Proline

Serine

Glucose

Acetyl Octapeptide-3

Bacillus/Soybean Ferment Extract

Sodium Hyaluronate

Chondrus Crispus Extract

Acetyl Hexapeptide-8

Disodium Phosphate

Polysorbate 60

Sodium Phosphate

Water, Glycerin, Pentylene Glycol, Glyceryl Isostearate, Isostearyl Isostearate, C13-15 Alkane, Betaine, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Xanthan Gum, Methyl Gluceth-20, Oryza Sativa Starch, Polyglyceryl-3 Laurate, Sodium Levulinate, Caprylyl Glycol, Levulinic Acid, Polyglyceryl-6 Oleate, Hydrolyzed Wheat Protein, Ethylhexylglycerin, Hydrolyzed Soy Protein, Sodium Hydroxide, Tetrasodium Glutamate Diacetate, Butylene Glycol, Pectin, Hydroxyethylcellulose, Arginine, Proline, Serine, Glucose, Acetyl Octapeptide-3, Bacillus/Soybean Ferment Extract, Sodium Hyaluronate, Chondrus Crispus Extract, Acetyl Hexapeptide-8, Disodium Phosphate, Polysorbate 60, Sodium Phosphate

Propanediol

Niacinamide

Dimethicone

Hydrolyzed Yeast Extract

Polyglyceryl-3 Beeswax

Coconut Alkanes

Phenoxyethanol

Isododecane

Jojoba Esters

Dimethicone Crosspolymer

Polysilicone-11

Sodium Benzoate

Carbomer

Hydrolyzed Hyaluronic Acid

Cetyl Alcohol

Polyglyceryl-6 Distearate

Sodium Lauroyl Lactylate

Disodium Acetyl Glucosamine Phosphate

Hydrolyzed Glycosaminoglycans

Hexylene Glycol

Polygonum Bistorta Root Extract

Cetyl Hydroxyethylcellulose

Rosmarinus Officinalis Leaf Oil

Aroma

Polyglucuronic Acid

Ceramide NP

Hyaluronic Acid

Sodium Carrageenan

Ceramide AP

Phytosphingosine

Cholesterol

Lecithin

Maris Sal

Ceramide EOP

Water, Propanediol, Glycerin, Niacinamide, Dimethicone, Hydrolyzed Yeast Extract, Polyglyceryl-3 Beeswax, Coconut Alkanes, Phenoxyethanol, Isododecane, Jojoba Esters, Dimethicone Crosspolymer, Polysilicone-11, Sodium Hyaluronate, Sodium Benzoate, Carbomer, Xanthan Gum, Hydrolyzed Hyaluronic Acid, Cetyl Alcohol, Polyglyceryl-6 Distearate, Sodium Lauroyl Lactylate, Disodium Acetyl Glucosamine Phosphate, Hydrolyzed Glycosaminoglycans, Ethylhexylglycerin, Sodium Hydroxide, Hexylene Glycol, Polygonum Bistorta Root Extract, Cetyl Hydroxyethylcellulose, Rosmarinus Officinalis Leaf Oil, Aroma, Polyglucuronic Acid, Ceramide NP, Hyaluronic Acid, Sodium Carrageenan, Ceramide AP, Phytosphingosine, Caprylyl Glycol, Cholesterol, Lecithin, Maris Sal, Ceramide EOP

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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.

Caprylyl Glycol is a humectant, skin conditioner, emollient, and preservative booster derived from either caprylic acid or synthetically created.

Typical use levels vary from 0.3-1% as a preservative booster and go up to 2% to condition skin.

Because it is not a free-fatty acid, this ingredient is fungal acne safe (there's nothing for Malassezia to feed on).

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.

Sodium Hyaluronate is the salt form of hyaluronic acid. It is a long sugar chain that is naturally found in your skin, joints, and connective tissue that maintains hydration and elasticity.

In skincare, it works as a humectant. It pulls water from the environment and deeper layers of skin and binds it to the surface.

Interestingly, the size of the molecule affects its behavior:

Some clinical evidence links low molecular weight versions to improved wrinkle depth, elasticity, anti-inflammatory effects, and barrier repair.

Many serums use a blend of both weights so you can get surface hydration plus longer-lasting and deeper effects.

You'll typically see concentrations between 0.1-2% for this ingredient.

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!

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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