Cosmedica Skincare Vitamin C Super Serum Versus Vichy Liftactiv Peptide-C Ampoule Serum

Cosmedica Skincare Vitamin C Super Serum Versus Vichy Liftactiv Peptide-C Ampoule Serum

This brightening serum is formulated around Aloe Barbadensis Leaf Juice and Sodium Ascorbyl Phosphate to brighten dull-looking skin and fade the look of dark spots.

This anti-aging ampoule is formulated around Ascorbic Acid to soften the look of wrinkles and brighten dull-looking skin.

What's inside

Key Ingredients

Benefits

Concerns

No concerns

Ingredients Side-by-side

Water

Aloe Barbadensis Leaf Juice

Glycerin

Sodium Ascorbyl Phosphate

Polysorbate 20

Sodium Acrylates/C10-30 Alkyl Acrylate Crosspolymer

Caprylyl Glycol

Phenoxyethanol

Sodium Benzoate

Citrus Grandis Peel Oil

Sodium Metabisulfite

Sodium Phytate

Disodium Phosphate

Sodium Phosphate

Citrus Aurantium Dulcis Peel Oil

Sodium Hyaluronate

Acer Saccharum Extract

Citrus Aurantium Dulcis Fruit Extract

Citrus Limon Fruit Extract

Saccharum Officinarum Extract

Vaccinium Myrtillus Fruit/Leaf Extract

Tetrahexyldecyl Ascorbate

Tocopheryl Acetate

Thioctic Acid

Water, Aloe Barbadensis Leaf Juice, Glycerin, Sodium Ascorbyl Phosphate, Polysorbate 20, Sodium Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Caprylyl Glycol, Phenoxyethanol, Sodium Benzoate, Citrus Grandis Peel Oil, Sodium Metabisulfite, Sodium Phytate, Disodium Phosphate, Sodium Phosphate, Citrus Aurantium Dulcis Peel Oil, Sodium Hyaluronate, Acer Saccharum Extract, Citrus Aurantium Dulcis Fruit Extract, Citrus Limon Fruit Extract, Saccharum Officinarum Extract, Vaccinium Myrtillus Fruit/Leaf Extract, Tetrahexyldecyl Ascorbate, Tocopheryl Acetate, Thioctic Acid

Ascorbic Acid

Butylene Glycol

Dipropylene Glycol

Hydrolyzed Rice Protein

Hydrolyzed Hyaluronic Acid

Hydrolyzed Lupine Protein

Ceramide AP

Water, Ascorbic Acid, Butylene Glycol, Dipropylene Glycol, Glycerin, Sodium Hyaluronate, Hydrolyzed Rice Protein, Hydrolyzed Hyaluronic Acid, Hydrolyzed Lupine Protein, Ceramide AP

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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.

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.

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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