The Ordinary Azelaic Acid Suspension 10% Versus IMAGE skincare Iluma Intense Brightening Serum

The Ordinary Azelaic Acid Suspension 10% Versus IMAGE skincare Iluma Intense Brightening Serum

This calming serum is formulated around Azelaic Acid to calm redness and refine skin texture.

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

What's inside

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

Water

Isodecyl Neopentanoate

Dimethicone

Azelaic Acid

Dimethicone/Bis-Isobutyl PPG-20 Crosspolymer

Dimethyl Isosorbide

Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer

Polysilicone-11

Isohexadecane

Tocopherol

Trisodium Ethylenediamine Disuccinate

Isoceteth-20

Polysorbate 60

Triethanolamine

Ethoxydiglycol

Phenoxyethanol

Chlorphenesin

Water, Isodecyl Neopentanoate, Dimethicone, Azelaic Acid, Dimethicone/Bis-Isobutyl PPG-20 Crosspolymer, Dimethyl Isosorbide, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Polysilicone-11, Isohexadecane, Tocopherol, Trisodium Ethylenediamine Disuccinate, Isoceteth-20, Polysorbate 60, Triethanolamine, Ethoxydiglycol, Phenoxyethanol, Chlorphenesin

Citrus Unshiu Peel Extract

Melia Azadirachta Leaf Extract

Algae Extract

Artemisia Vulgaris Extract

Camellia Sinensis Leaf Extract

Sodium Ascorbyl Phosphate

Arctostaphylos Uva Ursi Leaf Extract

Dimethicone/Methicone Copolymer

Hexylresorcinol

Arbutin

Sucrose Palmitate

Pueraria Tuberosa Leaf Cell Extract

Chlorella Vulgaris Extract

Hydrolyzed Corallina Officinalis

Morus Alba Leaf Extract

Centella Asiatica Extract

Echinacea Purpurea Extract

Rumex Occidentalis Extract

Phyllanthus Emblica Fruit Extract

Glycyrrhiza Glabra Root Extract

Anthemis Nobilis Flower Extract

Salix Nigra Bark Extract

Tocopheryl Acetate

Magnesium Ascorbyl Phosphate

Dipotassium Glycyrrhizate

Xanthan Gum

Polysorbate 20

Potassium Sorbate

Disodium EDTA

Ethylhexylglycerin

Citric Acid

Sodium Polystyrene Sulfonate

Water, Citrus Unshiu Peel Extract, Melia Azadirachta Leaf Extract, Algae Extract, Artemisia Vulgaris Extract, Camellia Sinensis Leaf Extract, Sodium Ascorbyl Phosphate, Arctostaphylos Uva Ursi Leaf Extract, Dimethicone/Methicone Copolymer, Hexylresorcinol, Arbutin, Azelaic Acid, Sucrose Palmitate, Pueraria Tuberosa Leaf Cell Extract, Chlorella Vulgaris Extract, Hydrolyzed Corallina Officinalis, Morus Alba Leaf Extract, Centella Asiatica Extract, Echinacea Purpurea Extract, Rumex Occidentalis Extract, Phyllanthus Emblica Fruit Extract, Glycyrrhiza Glabra Root Extract, Anthemis Nobilis Flower Extract, Salix Nigra Bark Extract, Tocopheryl Acetate, Magnesium Ascorbyl Phosphate, Dipotassium Glycyrrhizate, Xanthan Gum, Polysorbate 20, Potassium Sorbate, Disodium EDTA, Phenoxyethanol, Ethylhexylglycerin, Citric Acid, Sodium Polystyrene Sulfonate

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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.

Azelaic acid is a multitasker ingredient that helps treat acne, pigmentation, and irritation. It is a great option for sensitive skin.

What makes it special?

OTC Azelaic acid is usually available in concentrations from 10-15% and anything over requires a prescription.

Here's what each tier does best:

Unlike other acids, azelaic acid will not make your skin more photosensitive/sun sensitive.

Though this ingredient is naturally occurring in grains like wheat, rye, and barley, it is usually synthetically created for cosmetics to ensure stability and effectiveness.

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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