L'Oreal Revitalift 1.5% Pure Hyaluronic Acid Serum Versus Sulwhasoo Bloomstay Vitalizing Serum

L'Oreal Revitalift 1.5% Pure Hyaluronic Acid Serum Versus Sulwhasoo Bloomstay Vitalizing Serum

This hydrating serum is formulated around Sodium Hyaluronate and Dipeptide Diaminobutyroyl Benzylamide Diacetate to hydrate skin and soften the look of wrinkles.

This brightening serum is formulated around Niacinamide and Avena Sativa Kernel Extract to brighten dull-looking skin and strengthen the skin barrier.

What's inside

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

Water

Glycerin

Hydroxyethylpiperazine Ethane Sulfonic Acid

Sodium Hyaluronate

PEG-60

Hydrogenated Castor Oil

Secale Cereale Seed Extract

Calcium Pantothenate

Dipeptide Diaminobutyroyl Benzylamide Diacetate

Ascorbyl Glucoside

Disodium EDTA

Pentylene Glycol

Phenoxyethanol

Chlorphenesin

Water, Glycerin, Hydroxyethylpiperazine Ethane Sulfonic Acid, Sodium Hyaluronate, PEG-60, Hydrogenated Castor Oil, Secale Cereale Seed Extract, Calcium Pantothenate, Dipeptide Diaminobutyroyl Benzylamide Diacetate, Ascorbyl Glucoside, Disodium EDTA, Pentylene Glycol, Phenoxyethanol, Chlorphenesin

Butylene Glycol

Glycereth-26

Alcohol

Cyclopentasiloxane

Cyclohexasiloxane

Niacinamide

1,2-Hexanediol

Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer

Bis-PEG-18 Methyl Ether Dimethyl Silane

Avena Sativa Kernel Extract

PEG-60 Hydrogenated Castor Oil

Xanthan Gum

Pvp

Propanediol

Dimethiconol

Acrylates/C10-30 Alkyl Acrylate Crosspolymer

Tromethamine

Sodium Polyacrylate

Parfum

Methoxy PEG-114/Polyepsilon Caprolactone

Adenosine

Sorbitan Isostearate

Polysorbate 60

Citrus Junos Fruit Extract

Honey

Lilium Candidum Bulb Extract

Paeonia Albiflora Root Extract

Nelumbo Nucifera Flower Extract

Polygonatum Officinale Rhizome/Root Extract

Rehmannia Glutinosa Root Extract

Ethylhexylglycerin

Glycyrrhiza Uralensis Root Extract

Pinus Koraiensis Seed Extract

Sesamum Indicum Seed Extract

Prunus Mume Fruit Extract

Rosa Multiflora Fruit Extract

Chaenomeles Sinensis Fruit Extract

Theobroma Cacao Extract

Dextrin

Beta-Glucan

Poncirus Trifoliata Fruit Extract

Prunus Mume Flower Extract

Potassium Hydroxide

Acetic Acid

BHT

Water, Butylene Glycol, Glycerin, Glycereth-26, Alcohol, Cyclopentasiloxane, Cyclohexasiloxane, Niacinamide, 1,2-Hexanediol, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Bis-PEG-18 Methyl Ether Dimethyl Silane, Avena Sativa Kernel Extract, PEG-60 Hydrogenated Castor Oil, Xanthan Gum, Pvp, Propanediol, Dimethiconol, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Tromethamine, Sodium Polyacrylate, Parfum, Methoxy PEG-114/Polyepsilon Caprolactone, Disodium EDTA, Adenosine, Phenoxyethanol, Sorbitan Isostearate, Polysorbate 60, Citrus Junos Fruit Extract, Honey, Lilium Candidum Bulb Extract, Paeonia Albiflora Root Extract, Nelumbo Nucifera Flower Extract, Polygonatum Officinale Rhizome/Root Extract, Rehmannia Glutinosa Root Extract, Ethylhexylglycerin, Glycyrrhiza Uralensis Root Extract, Pinus Koraiensis Seed Extract, Sesamum Indicum Seed Extract, Prunus Mume Fruit Extract, Rosa Multiflora Fruit Extract, Chaenomeles Sinensis Fruit Extract, Theobroma Cacao Extract, Dextrin, Beta-Glucan, Poncirus Trifoliata Fruit Extract, Prunus Mume Flower Extract, Potassium Hydroxide, Acetic Acid, BHT

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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.

Disodium EDTA is a chelating agent. It grabs onto and deactivates metal ions that sneak into your products from water, packaging, or air.

This ingredient mainly works behind the scenes and helps with:

On top of that, this ingredient can counteract the effects of hard water by binding to the minerals in it.

One thing worth knowing is that Disodium EDTA has been shown to be a mild penetration enhancer. It can help other ingredients absorb into skin more effectively which can be a double-edged sword (great for actives, but can also make the active too strong if you have sensitive skin).

Clinical patch testing showed no significant skin irritation at typical use concentrations and minimal dermal absorption.

You'll most likely see this ingredient near the end of an ingredient list. It's typically found in concentrations less than 1%.

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.

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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