Niod Fractionated Eye Contour Concentrate Serum Versus Paula's Choice Peptide Booster

Niod Fractionated Eye Contour Concentrate Serum Versus Paula's Choice Peptide Booster

This anti-aging eye moisturizer is formulated around Niacinamide and Dipeptide Diaminobutyroyl Benzylamide Diacetate to soften the look of wrinkles and fade the look of dark spots.

This anti-aging treatment is formulated around Tripeptide-1 and Palmitoyl Tripeptide-1 to soften the look of wrinkles and refine skin texture.

What's inside

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

Water

Glycerin

Butylene Glycol

Propanediol

Hydrolyzed Yeast Extract

Albizia Julibrissin Bark Extract

Niacinamide

Dipeptide Diaminobutyroyl Benzylamide Diacetate

Palmitoyl Tripeptide-38

Acetyl Hexapeptide-8

Acetyl Tetrapeptide-5

Decapeptide-22

Oligopeptide-78

Palmitoyl Decapeptide-21

Palmitoyl Hexapeptide-52

Zinc Palmitoyl Nonapeptide-14

Palmitoyl Tetrapeptide-50

Pentapeptide-18

Acetyl Hexapeptide-30

Heptapeptide-15 Palmitate

Palmitoyl Heptapeptide-18

S-Mu-Conotoxin Cniiic Acetate

Sodium Hyaluronate

Darutoside

Epigallocatechin Gallatyl Glucoside

Gallyl Glucoside

Ascorbyl Glucoside

Zinc PCA

Methylglucoside Phosphate

Disodium Acetyl Glucosamine Phosphate

Copper Lysinate/Prolinate

Hydroxypropyl Cyclodextrin

Superoxide Dismutase

Escin

Ascorbic Acid

Ammonium Glycyrrhizate

Polyglucuronic Acid

Ascophyllum Nodosum Extract

Asparagopsis Armata Extract

Fraxinus Excelsior Bark Extract

Olea Europaea Leaf Extract

Polypodium Vulgare Rhizome Extract

Cetraria Islandica Thallus Extract

Sphagnum Magellanicum Extract

Ruscus Aculeatus Root Extract

Centella Asiatica Extract

Calendula Officinalis Flower Extract

Arginine

Panthenol

Hydrolyzed Rice Protein

Glycine Soja Protein

Hydrolyzed Wheat Protein

Hydrolyzed Yeast Protein

Lecithin

Polyacrylate Crosspolymer-6

Xanthan Gum

Cetyl Hydroxyethylcellulose

Silanetriol

Sodium Dextran Sulfate

Sorbitol

Pentylene Glycol

Dimethyl Isosorbide

Citric Acid

Glycolic Acid

Lactic Acid

Lactic Acid/Glycolic Acid Copolymer

PPG-26-Buteth-26

Polyvinyl Alcohol

PEG-40 Hydrogenated Castor Oil

Propyl Gallate

Potassium Sorbate

Caprylyl Glycol

Glyceryl Caprylate

Ethylhexylglycerin

Sodium Benzoate

Benzyl Alcohol

Phenylpropanol

Dehydroacetic Acid

Phenoxyethanol

Chlorphenesin

Water, Glycerin, Butylene Glycol, Propanediol, Hydrolyzed Yeast Extract, Albizia Julibrissin Bark Extract, Niacinamide, Dipeptide Diaminobutyroyl Benzylamide Diacetate, Palmitoyl Tripeptide-38, Acetyl Hexapeptide-8, Acetyl Tetrapeptide-5, Decapeptide-22, Oligopeptide-78, Palmitoyl Decapeptide-21, Palmitoyl Hexapeptide-52, Zinc Palmitoyl Nonapeptide-14, Palmitoyl Tetrapeptide-50, Pentapeptide-18, Acetyl Hexapeptide-30, Heptapeptide-15 Palmitate, Palmitoyl Heptapeptide-18, S-Mu-Conotoxin Cniiic Acetate, Sodium Hyaluronate, Darutoside, Epigallocatechin Gallatyl Glucoside, Gallyl Glucoside, Ascorbyl Glucoside, Zinc PCA, Methylglucoside Phosphate, Disodium Acetyl Glucosamine Phosphate, Copper Lysinate/Prolinate, Hydroxypropyl Cyclodextrin, Superoxide Dismutase, Escin, Ascorbic Acid, Ammonium Glycyrrhizate, Polyglucuronic Acid, Ascophyllum Nodosum Extract, Asparagopsis Armata Extract, Fraxinus Excelsior Bark Extract, Olea Europaea Leaf Extract, Polypodium Vulgare Rhizome Extract, Cetraria Islandica Thallus Extract, Sphagnum Magellanicum Extract, Ruscus Aculeatus Root Extract, Centella Asiatica Extract, Calendula Officinalis Flower Extract, Arginine, Panthenol, Hydrolyzed Rice Protein, Glycine Soja Protein, Hydrolyzed Wheat Protein, Hydrolyzed Yeast Protein, Lecithin, Polyacrylate Crosspolymer-6, Xanthan Gum, Cetyl Hydroxyethylcellulose, Silanetriol, Sodium Dextran Sulfate, Sorbitol, Pentylene Glycol, Dimethyl Isosorbide, Citric Acid, Glycolic Acid, Lactic Acid, Lactic Acid/Glycolic Acid Copolymer, PPG-26-Buteth-26, Polyvinyl Alcohol, PEG-40 Hydrogenated Castor Oil, Propyl Gallate, Potassium Sorbate, Caprylyl Glycol, Glyceryl Caprylate, Ethylhexylglycerin, Sodium Benzoate, Benzyl Alcohol, Phenylpropanol, Dehydroacetic Acid, Phenoxyethanol, Chlorphenesin

PEG-8 Dimethicone

Tripeptide-1

Palmitoyl Tripeptide-1

Palmitoyl Tetrapeptide-7

Palmitoyl Hexapeptide-12

Myristoyl Hexapeptide-16

Myristoyl Pentapeptide-17

Hexanoyl Dipeptide-3 Norleucine Acetate

Azelaoyl Bis-Dipeptide-10

Glycoproteins

Phospholipids

Adenosine

Dipotassium Glycyrrhizate

Valine

Glycine

Alanine

Glutamic Acid

Serine

Threonine

Yeast Extract

Isoleucine

Proline

Histidine

Phenylalanine

PCA

Phytic Acid

Panax Ginseng Root Extract

Sodium PCA

Psidium Guajava Fruit Extract

Euterpe Oleracea Fruit Extract

Ahnfeltiopsis Concinna Extract

Dextran

Hydrolyzed Silk

Glyceryl Polymethacrylate

C12-16 Pareth-9

Trideceth-12

Sodium Lactate

Carbomer

Aspartic Acid

Polysorbate 20

PEG-8

C11-15 Pareth-7

Guar Hydroxypropyltrimonium Chloride

Phytosteryl/Octyldodecyl Lauroyl Glutamate

Ectoin

Citrate Buffer

Trimethylsiloxyamodimethicone

Sodium Hydroxide

Water, Glycerin, PEG-8 Dimethicone, Tripeptide-1, Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7, Palmitoyl Hexapeptide-12, Myristoyl Hexapeptide-16, Myristoyl Pentapeptide-17, Hexanoyl Dipeptide-3 Norleucine Acetate, Azelaoyl Bis-Dipeptide-10, Glycoproteins, Phospholipids, Adenosine, Dipotassium Glycyrrhizate, Arginine, Valine, Glycine, Alanine, Glutamic Acid, Serine, Threonine, Yeast Extract, Isoleucine, Proline, Histidine, Phenylalanine, PCA, Phytic Acid, Panax Ginseng Root Extract, Sodium PCA, Psidium Guajava Fruit Extract, Euterpe Oleracea Fruit Extract, Ahnfeltiopsis Concinna Extract, Dextran, Hydrolyzed Silk, Lecithin, Glyceryl Polymethacrylate, C12-16 Pareth-9, Trideceth-12, Sodium Lactate, Carbomer, Aspartic Acid, Polysorbate 20, Butylene Glycol, Caprylyl Glycol, PEG-8, C11-15 Pareth-7, Guar Hydroxypropyltrimonium Chloride, Phytosteryl/Octyldodecyl Lauroyl Glutamate, Ectoin, Citrate Buffer, Trimethylsiloxyamodimethicone, Phenoxyethanol, Sodium Hydroxide, 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.

Arginine is a semi-essential amino acid. This just means our bodies can product a bit on its own, but sometimes needs a little boost from food sources.

It is a part of your skin's natural moisturizing factor (NMF), or the water-loving molecules in your outermost layer of skin (stratum corneum) that keeps everything hydrated and happy.

Here's an interesting thing about Arginine: your skin converts it into urea through the Krebs-Henseleit urea cycle. Urea is one of the most effective humectants your skin naturally produces.

A clinical study showed applying 2.5% arginine hydrochloride to atopic dermatitis skin showed significant urea levels in the stratum corneum and improved moisture in just four weeks.

Arginine is also a precursor to nitric oxide; nitric oxide improves microcirculation and supports wound healing and collagen synthesis.

One study found that an amino acid complex containing Arginine reduced skin irritation, improved hydration, and accelerated skin repair in clinical / in-vivo studies.

Arginine itself is an amino acid and not a fatty acid, oil, or ester. On its own, it's not a direct food source for Malassezia, or the yeast that causes fungal acne.

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.

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.

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.

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!

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