IMAGE skincare Vital C Hydrating Anti-Aging Serum Versus REN Clean Skincare Glow and Protect Serum

IMAGE skincare Vital C Hydrating Anti-Aging Serum Versus REN Clean Skincare Glow and Protect Serum

This hydrating serum is formulated around Aloe Barbadensis Leaf Juice and Magnesium Ascorbyl Phosphate to hydrate skin.

This hydrating serum is formulated around Squalane and Punica Granatum Seed Oil to hydrate skin.

What's inside

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

Aloe Barbadensis Leaf Juice

Water

Glycerin

Citrus Aurantium Dulcis Oil

Caprylic/Capric Triglyceride

Limonene

C12-15 Alkyl Benzoate

Cetearyl Olivate

Sorbitan Olivate

Imperata Cylindrica Root Extract

Magnesium Ascorbyl Phosphate

PPG-12/Smdi Copolymer

Tetrahexyldecyl Ascorbate

Glyceryl Stearate

PEG-100 Stearate

Cetyl Alcohol

Dimethicone

Di-PPG-2 Myreth-10 Adipate

Stearic Acid

Phenoxyethanol

Ethylhexyl Methoxycinnamate

Panthenol

Prunus Amygdalus Dulcis Oil

Xanthan Gum

Caprylyl Glycol

Butylene Glycol

Tocopheryl Acetate

Glycine Soja Sterols

Linoleic Acid

Phospholipids

Simmondsia Chinensis Seed Oil

Squalene

Propylene Glycol

Ethylhexylglycerin

Glucosamine Hcl

Hexylene Glycol

Linoleamidopropyl Pg-Dimonium Chloride Phosphate

PEG-8

Pisum Sativum Extract

Citrus Nobilis Peel Oil

Dipotassium Glycyrrhizate

Phyllanthus Emblica Fruit Extract

Stearyl Glycyrrhetinate

Bambusa Vulgaris Leaf/Stem Extract

Tocopherol

Magnesium Aluminum Silicate

Olea Europaea Leaf Extract

Disodium EDTA

Eugenia Caryophyllus Leaf Oil

Yeast Polysaccharides

Sodium Hyaluronate

Glyceryl Polymethacrylate

Carbomer

Eugenol

Ascorbyl Palmitate

Citric Acid

Benzoic Acid

Camellia Sinensis Leaf Extract

Ascorbic Acid

Sodium Lactate

Polysorbate 20

Acrylates/C10-30 Alkyl Acrylate Crosspolymer

Spiraea Ulmaria Flower Extract

Taurine

Corallina Officinalis Extract

Vitis Vinifera Seed Extract

Centella Asiatica Flower/Leaf/Stem Extract

Centella Asiatica Extract

Potassium Sorbate

BHT

Acetyl Hexapeptide-8

Darutoside

Palmitoyl Pentapeptide-4

Arginine

Leucine

Lysine

Sodium Benzoate

Valine

Palmitoyl Tripeptide-1

Aloe Barbadensis Leaf Juice, Water, Glycerin, Citrus Aurantium Dulcis Oil, Caprylic/Capric Triglyceride, Limonene, C12-15 Alkyl Benzoate, Cetearyl Olivate, Sorbitan Olivate, Imperata Cylindrica Root Extract, Magnesium Ascorbyl Phosphate, PPG-12/Smdi Copolymer, Tetrahexyldecyl Ascorbate, Glyceryl Stearate, PEG-100 Stearate, Cetyl Alcohol, Dimethicone, Di-PPG-2 Myreth-10 Adipate, Stearic Acid, Phenoxyethanol, Ethylhexyl Methoxycinnamate, Panthenol, Prunus Amygdalus Dulcis Oil, Xanthan Gum, Caprylyl Glycol, Butylene Glycol, Tocopheryl Acetate, Glycine Soja Sterols, Linoleic Acid, Phospholipids, Simmondsia Chinensis Seed Oil, Squalene, Propylene Glycol, Ethylhexylglycerin, Glucosamine Hcl, Hexylene Glycol, Linoleamidopropyl Pg-Dimonium Chloride Phosphate, PEG-8, Pisum Sativum Extract, Citrus Nobilis Peel Oil, Dipotassium Glycyrrhizate, Phyllanthus Emblica Fruit Extract, Stearyl Glycyrrhetinate, Bambusa Vulgaris Leaf/Stem Extract, Tocopherol, Magnesium Aluminum Silicate, Olea Europaea Leaf Extract, Disodium EDTA, Eugenia Caryophyllus Leaf Oil, Yeast Polysaccharides, Sodium Hyaluronate, Glyceryl Polymethacrylate, Carbomer, Eugenol, Ascorbyl Palmitate, Citric Acid, Benzoic Acid, Camellia Sinensis Leaf Extract, Ascorbic Acid, Sodium Lactate, Polysorbate 20, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Spiraea Ulmaria Flower Extract, Taurine, Corallina Officinalis Extract, Vitis Vinifera Seed Extract, Centella Asiatica Flower/Leaf/Stem Extract, Centella Asiatica Extract, Potassium Sorbate, BHT, Acetyl Hexapeptide-8, Darutoside, Palmitoyl Pentapeptide-4, Arginine, Leucine, Lysine, Sodium Benzoate, Valine, Palmitoyl Tripeptide-1

Coco-Caprylate/Caprate

Propanediol

Diisooctyl Succinate

Squalane

Sucrose Polystearate

Punica Granatum Seed Oil

Cetearyl Alcohol

Ascorbyl Tetraisopalmitate

Rosa Canina Fruit Oil

Benzyl Alcohol

Helianthus Annuus Seed Oil

Hylocereus Undatus Fruit Extract

Glycogen

Sodium Dehydroacetate

Hydrolyzed Lupine Protein

Sodium Stearoyl Glutamate

Hippophae Rhamnoides Oil

Olea Europaea Oil Unsaponifiables

Dehydroacetic Acid

Terminalia Ferdinandiana Fruit Extract

Rosmarinus Officinalis Leaf Extract

Parfum

Citrus Aurantium Amara Flower Extract

Linalool

Geraniol

Sodium Hydroxide

Water, Glycerin, Coco-Caprylate/Caprate, Propanediol, Diisooctyl Succinate, Squalane, Sucrose Polystearate, Punica Granatum Seed Oil, Cetearyl Alcohol, Ascorbyl Tetraisopalmitate, Rosa Canina Fruit Oil, Benzyl Alcohol, Helianthus Annuus Seed Oil, Hylocereus Undatus Fruit Extract, Xanthan Gum, Glycogen, Sodium Dehydroacetate, Hydrolyzed Lupine Protein, Sodium Hyaluronate, Sodium Stearoyl Glutamate, Hippophae Rhamnoides Oil, Citric Acid, Olea Europaea Oil Unsaponifiables, Magnesium Ascorbyl Phosphate, Dehydroacetic Acid, Terminalia Ferdinandiana Fruit Extract, Rosmarinus Officinalis Leaf Extract, Parfum, Citrus Aurantium Amara Flower Extract, Linalool, Limonene, Geraniol, Benzoic Acid, Sodium Hydroxide

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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.

Benzoic Acid is an organic acid that shows up in cosmetics as a preservative. It helps keep a product from spoiling by holding back the growth of yeast, mold, and some bacteria.

This ingredient also functions as a fragrance ingredient that helps mask the unpleasant scent of other ingredients.

The way it works is worth understanding; benzoic acid works when the formula is acidic. It is able to sneak into a microbe's cell and mess up how it functions to stop it from growing in an acidic product.

However, the acid switches to an inactive form and stops working if a product isn't acidic enough (above ~5 pH). This is why you'll often see it in low pH products or teamed up with other preservatives to cover the gap.

Safety wise, it's one of the better studied preservatives out there.

The Cosmetic Ingredient Review Expert Panel has concluded this ingredient to be safe for use in cosmetic formulations at concentrations up to 5%.

A large international review found this ingredient had no effects on the human body and had low irritation potential.

Just so you know, real world use is usually much lower than the 5% ceiling (usually 1% of less).

The EU caps it at 2.5% in rinse-off products, 1.7% in oral care, and 0.5% in leave-on products.

One thing worth mentioning (it's nothing to worry about): some people get a little stinging or flushing where they apply it. This isn't a true allergy; it's a temporary and harmless reaction. This is the same kind of mild tingle you might notice from sorbic acid.

Citric Acid is an alpha hydroxy acid (AHA) naturally found in citrus fruits like oranges, lemons, and limes.

Like other AHAs, citric acid can exfoliate skin by breaking down the bonds that hold dead skin cells together. This helps reveal smoother and brighter skin underneath.

However, this exfoliating effect only happens at high concentrations (20%) which can be hard to find in cosmetic products.

Due to this, citric acid is usually included in small amounts as a pH adjuster. This helps keep products slightly more acidic and compatible with skin's natural pH.

In skincare formulas, citric acid can:

While it can provide some skin benefits, research shows lactic acid and glycolic acid are generally more effective and less irritating exfoliants.

Most citric acid used in skincare today is made by fermenting sugars (usually from molasses). This synthetic version is identical to the natural citrus form but easier to stabilize and use in formulations.

Rosacea skin has a lower threshold for acids generally, with 62.5% of rosacea subjects in one study reacting to lactic acid in a sting test. This is why we mark citric acid as a potential rosacea trigger.

However, this ingredient shows up as a pH adjuster or chelator at roughly 0.1-1% in many products. These low levels are unlikely to be an issue for rosacea skin and becomes a potential trigger at exfoliating concentrations (20%). Because everybody's skin is unique, we recommend a patch test if you are unsure.

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.

Limonene is a fragrance that adds scent and taste to a formulation.

It's found in the peel oil of citrus fruits and other plants such as lavender and eucalyptus. The scent of limonene is generally described as "sweet citrus".

Limonene acts as an antioxidant, meaning it helps neutralize free radicals.

When exposed to air, oxidized limonene may sensitize the skin. Because of this, limonene is often avoided by people with sensitive skin.

The term 'fragrance' is not regulated in many countries. In many cases, it is up to the brand to define this term. For instance, many brands choose to label themselves as "fragrance-free" because they are not using synthetic fragrances. However, their products may still contain ingredients such as essential oils that are considered a fragrance.

Magnesium Ascorbyl Phosphate (MAP) is a water-soluble form of Vitamin C. It is used in skincare because it tends to be more formulation friendly than pure vitamin C (ascorbic acid).

According to research, MAP has three major benefits:

While MAP is gentler on the skin than ascorbic acid, it is thought to be less easily absorbed into the skin.

In a well-known absorption study, pure vitamin C increased skin vitamin C levels when formulated correctly, but derivatives like MAP did not in that experiment. This suggests MAP may not always convert into active vitamin C in the skin.

Due to MAP's stability up to a pH level of 7, it is more stable to air and sunlight exposure than ascorbic acid. The best pH range for MAP is between 5 and 6.

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!

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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