Goop Beauty Youth Boost Peptide Serum Versus Paula's Choice Pro-Collagen Multi-Peptide Booster

Goop Beauty Youth Boost Peptide Serum Versus Paula's Choice Pro-Collagen Multi-Peptide Booster

This anti-aging serum is formulated around Bifida Ferment Lysate and Niacinamide to soften the look of wrinkles and strengthen the skin barrier.

What's inside

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

Water

Bifida Ferment Lysate

Carthamus Tinctorius Oleosomes

Glycerin

Niacinamide

Saccharomyces/Xylinum/Black Tea Ferment

Capryloyl Glycerin/Sebacic Acid Copolymer

Propanediol

Daemonorops Draco Extract

Aloe Barbadensis Leaf Juice

Squalane

Haematococcus Pluvialis Extract

Acmella Oleracea Extract

Xanthan Gum

Triethyl Citrate

Sodium Benzoate

Sodium Levulinate

Potassium Sorbate

Salicylic Acid

Tocopherol

Carnosine

Gluconolactone

Ceramide NP

Saccharomyces Ferment Filtrate

Sodium Hyaluronate

Sodium Phytate

Citrus Limon Fruit Extract

Coriandrum Sativum Fruit Oil

Maltodextrin

Tetrasodium Glutamate Diacetate

2-Hexanol

Canarium Luzonicum Gum Nonvolatiles

Piper Nigrum Fruit Oil

Citric Acid

Heptapeptide-7

Lecithin

Boswellia Carterii Oil

Citrus Aurantium Dulcis Peel Oil

Commiphora Myrrha Oil

Vetiveria Zizanoides Root Oil

Zingiber Officinale Root Oil

Calcium Gluconate

Ferula Galbaniflua Resin Oil

Limonene

Linalool

Water, Bifida Ferment Lysate, Carthamus Tinctorius Oleosomes, Glycerin, Niacinamide, Saccharomyces/Xylinum/Black Tea Ferment, Capryloyl Glycerin/Sebacic Acid Copolymer, Propanediol, Daemonorops Draco Extract, Aloe Barbadensis Leaf Juice, Squalane, Haematococcus Pluvialis Extract, Acmella Oleracea Extract, Xanthan Gum, Triethyl Citrate, Sodium Benzoate, Sodium Levulinate, Potassium Sorbate, Salicylic Acid, Tocopherol, Carnosine, Gluconolactone, Ceramide NP, Saccharomyces Ferment Filtrate, Sodium Hyaluronate, Sodium Phytate, Citrus Limon Fruit Extract, Coriandrum Sativum Fruit Oil, Maltodextrin, Tetrasodium Glutamate Diacetate, 2-Hexanol, Canarium Luzonicum Gum Nonvolatiles, Piper Nigrum Fruit Oil, Citric Acid, Heptapeptide-7, Lecithin, Boswellia Carterii Oil, Citrus Aurantium Dulcis Peel Oil, Commiphora Myrrha Oil, Vetiveria Zizanoides Root Oil, Zingiber Officinale Root Oil, Calcium Gluconate, Ferula Galbaniflua Resin Oil, Limonene, Linalool

Pentylene Glycol

Hydrolyzed Yeast Extract

Pyrus Malus Fruit Extract

Dimethicone

Ceramide AP

1,2-Hexanediol

Glyceryl Glucoside

Palmitoyl Tetrapeptide-72 Amide

Sh-Polypeptide-121

Tridecapeptide-1

Polyglucuronic Acid

C9-12 Alkane

Ammonium Polyacryloyldimethyl Taurate

Polygonum Bistorta Root Extract

Bacillus Ferment

Coco-Caprylate/Caprate

Hexylene Glycol

Cetyl Hydroxyethylcellulose

Ethylhexylglycerin

Caprylyl Glycol

Magnesium Chloride

Water, Glycerin, Pentylene Glycol, Hydrolyzed Yeast Extract, Pyrus Malus Fruit Extract, Dimethicone, Propanediol, Ceramide AP, 1,2-Hexanediol, Glyceryl Glucoside, Palmitoyl Tetrapeptide-72 Amide, Sh-Polypeptide-121, Tridecapeptide-1, Polyglucuronic Acid, Sodium Hyaluronate, C9-12 Alkane, Ammonium Polyacryloyldimethyl Taurate, Polygonum Bistorta Root Extract, Bacillus Ferment, Lecithin, Sodium Phytate, Coco-Caprylate/Caprate, Hexylene Glycol, Cetyl Hydroxyethylcellulose, Xanthan Gum, Ethylhexylglycerin, Caprylyl Glycol, Magnesium Chloride, Potassium Sorbate, Sodium Benzoate

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Ingredients Explained

These ingredients are found in both products.

Ingredients higher up in an ingredient list are typically present in a larger amount.

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.

Lecithin is a term for a group of substances found in the cell membranes of plants, animals, and humans. They are made up of phospholipids.

Thanks to its amphiphilic structure (water-loving head and oil-loving tail), it is a true multitasker:

It plays well with most ingredients and is typically used at 0.1-1%. However, concentrations up to 50% have been reported in moisturizers.

Potassium Sorbate is a preservative used to prevent yeast and mold in products. It is commonly found in both cosmetic and food products.

This ingredient comes from potassium salt derived from sorbic acid. Sorbic acid is a natural antibiotic and effective against fungus.

Both potassium sorbate and sorbic acid can be found in baked goods, cheeses, dried meats, dried fruit, ice cream, pickles, wine, yogurt, and more.

You'll often find this ingredient used with other preservatives.

Propanediol is an all-star ingredient. It softens, hydrates, and smooths the skin.

It’s often used to:

Propanediol is not likely to cause sensitivity and considered safe to use. It is derived from corn or petroleum with a clear color and no scent.

Sodium Benzoate is a preservative. It's used in both cosmetic and food products to inhibit the growth of mold and bacteria. It is typically produced synthetically.

Both the US FDA and EU Health Committee have approved the use of sodium benzoate. In the US, levels of 0.1% (of the total product) are allowed.

Sodium benzoate works as a preservative by inhibiting the growth of bacteria inside of cells. It prevents the cell from fermenting a type of sugar using an enzyme called phosphofructokinase.

It is the salt of benzoic acid. Foods containing sodium benzoate include soda, salad dressings, condiments, fruit juices, wines, and snack foods.

Studies for using ascorbic acid and sodium benzoate in cosmetics are lacking, especially in skincare routines with multiple steps.

We always recommend speaking with a professional, such as a dermatologist, if you have any concerns.

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 Phytate is the synthetic salt form of phytic acid. Phytic acid is an antioxidant and can be found in plant seeds.

Sodium Phytate is a chelating agent. Chelating agents help prevent metals from binding to water. This helps stabilize the ingredients and the product.

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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