Dr. Dennis Gross Skincare C+ Collagen Brighten & Firm Vitamin C Serum Versus COSRX Advanced Snail 96 Mucin Power Essence

Dr. Dennis Gross Skincare C+ Collagen Brighten & Firm Vitamin C Serum Versus COSRX Advanced Snail 96 Mucin Power Essence

This brightening serum is formulated around 3-O-Ethyl Ascorbic Acid and Niacinamide to brighten dull-looking skin and soften the look of wrinkles.

This hydrating essence is formulated around Snail Secretion Filtrate and Allantoin to hydrate skin and calm redness.

What's inside

Key Ingredients

Benefits

Concerns

No concerns

Ingredients Side-by-side

Water

Glycerin

3-O-Ethyl Ascorbic Acid

Niacinamide

Glycereth-7 Triacetate

Lactic Acid

Sd Alcohol 40-B

Hydroxyethylcellulose

Dimethyl Isosorbide

Ascorbic Acid

Collagen Amino Acids

Superoxide Dismutase

Glycine

Carnitine Hcl

Ubiquinone

Hexylresorcinol

Emblica Officinalis Fruit Extract

Hydrolyzed Soy Protein

Tetrahexyldecyl Ascorbate

Isoquercetin

Mandelic Acid

Pueraria Lobata Root Extract

Curcuma Longa Root Extract

Phytic Acid

Citric Acid

Tetrasodium EDTA

Sodium Citrate

Butylene Glycol

Xanthan Gum

Polysorbate 20

T-Butyl Alcohol

Sodium Hydroxide

Polysorbate 80

Denatonium Benzoate

Benzyl Alcohol

Phenoxyethanol

Sodium Benzoate

Potassium Sorbate

Water, Glycerin, 3-O-Ethyl Ascorbic Acid, Niacinamide, Glycereth-7 Triacetate, Lactic Acid, Sd Alcohol 40-B, Hydroxyethylcellulose, Dimethyl Isosorbide, Ascorbic Acid, Collagen Amino Acids, Superoxide Dismutase, Glycine, Carnitine Hcl, Ubiquinone, Hexylresorcinol, Emblica Officinalis Fruit Extract, Hydrolyzed Soy Protein, Tetrahexyldecyl Ascorbate, Isoquercetin, Mandelic Acid, Pueraria Lobata Root Extract, Curcuma Longa Root Extract, Phytic Acid, Citric Acid, Tetrasodium EDTA, Sodium Citrate, Butylene Glycol, Xanthan Gum, Polysorbate 20, T-Butyl Alcohol, Sodium Hydroxide, Polysorbate 80, Denatonium Benzoate, Benzyl Alcohol, Phenoxyethanol, Sodium Benzoate, Potassium Sorbate

Snail Secretion Filtrate

Betaine

1,2-Hexanediol

Sodium Polyacrylate

Sodium Hyaluronate

Allantoin

Ethyl Hexanediol

Carbomer

Panthenol

Arginine

Snail Secretion Filtrate, Betaine, Butylene Glycol, 1,2-Hexanediol, Sodium Polyacrylate, Phenoxyethanol, Sodium Hyaluronate, Allantoin, Ethyl Hexanediol, Carbomer, Panthenol, Arginine, Water

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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.

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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