The Ordinary Niacinamide 10% + Zinc 1% Versus Proactiv Repair Repairing Treatment

The Ordinary Niacinamide 10% + Zinc 1% Versus Proactiv Repair Repairing Treatment

This oil-control serum is formulated around Niacinamide and Zinc PCA to balance excess oil and refine the look of pores.

This acne treatment is formulated around Benzoyl Peroxide to clear breakouts.

What's inside

Key Ingredients

Benefits

Concerns

No concerns

Ingredients Side-by-side

Water

Niacinamide 10%

Pentylene Glycol

Zinc PCA 1%

Dimethyl Isosorbide

Tamarindus Indica Seed Gum

Xanthan Gum

Isoceteth-20

Ethoxydiglycol

Phenoxyethanol

Chlorphenesin

Water, Niacinamide 10%, Pentylene Glycol, Zinc PCA 1%, Dimethyl Isosorbide, Tamarindus Indica Seed Gum, Xanthan Gum, Isoceteth-20, Ethoxydiglycol, Phenoxyethanol, Chlorphenesin

Benzoyl Peroxide 2.5%

Cyclotetrasiloxane

Cyclopentasiloxane

Propylene Glycol

Cetearyl Alcohol

Dimethicone

Glyceryl Stearate

PEG-100 Stearate

Panthenol

Allantoin

Ceteareth-20

Carbomer

Sodium Hydroxide

Diazolidinyl Urea

Methylparaben

Propylparaben

Parfum

Benzoyl Peroxide 2.5%, Water, Ethoxydiglycol, Cyclotetrasiloxane, Cyclopentasiloxane, Propylene Glycol, Cetearyl Alcohol, Dimethicone, Glyceryl Stearate, PEG-100 Stearate, Panthenol, Allantoin, Xanthan Gum, Ceteareth-20, Carbomer, Sodium Hydroxide, Diazolidinyl Urea, Methylparaben, Propylparaben, Parfum

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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.

Ethoxydiglycol (aka Diethylene Glycol Monoethyl Ether) is one of the cosmetic world's quiet problem solvers.

In a formula, it is a solvent that dissolves tricky ingredients that don't want to mix in and helps spread ingredients evenly across your skin without leaving a greasy or sticky feeling

This makes it great for hard-to-dissolve actives like vitamin C, benzoyl peroxide, and self-tanner DHA.

It also has mild humectant and penetration enhancer abilities so it can help some actives absorb a little deeper.

The penetration boost is backed by lab research: studies using human skin samples found it improved how well an active dissolves into the upper layer of skin rather than tearing down your skin barrier. Reviews of its mechanism also describe it interacting gently with the lipids and water in your outermost layer of skin.

Just know this penetration-enhancing effect is not universal. It helps a lot in some formulas and did very little in others (so the benefit really depends on the specific product).

Safety-wise, the evidence is reassuring. The Cosmetic Ingredient Review Expert Panel reviewed it and concluded it's safe for use in cosmetics and recognized it as non-irritating, non-sensitizing, and non-comedogenic in skincare.

Typical leave-on skincare usage lands around 1-10%. The EU has sets caps of 2.6% in non-spray products, 10% in rinse-offs, 7% in oxidative hair dye, and 5% in non-oxidative hair dye.

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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