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Bugs and skin the association alone makes us itch.

A smiling young woman cupping her face with her hands on a red background

Refinery29 for Getty Images

We’ve learned that bacterial diversity is key, too.

How do these belly bugs affect our skin?

Aiming to help foster this rich and disparate microbial community are the latest probiotic skin-care formulas.

Biossance Squalane and Probiotic Gel Moisturizer on a white background

And there are a lot of them, all with utterly tongue-twisting names.

Prepare to nurture your microbiome.

All products featured on Allure are independently selected by our editors.

Neogen Dermalogy Probiotics Double Action Serum on a white background

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Layer with an oil during the colder months for maximum hydration and soothing.

It’s also made with lactic acid for a dose of exfoliation and brightening.

Elemis Dynamic Resurfacing Facial Pads on a white background

Both serums have a gentle pH of 5.5 to 6.5, which is close toskin’s natural pH.

Other data showsLactobacillusbenefitsin lab studies, including its wound healing and anti-inflammatory properties.

These studies suggest positive benefits in the skin, though more clinical studies are needed to confirm them."

Toms of Maine Prebiotic Bar Soap in Soft Rose on a white background

It’s available in Fresh Apple and Soft Rose scents for a subtle pick-me-up.

Plus, it won a2020AllureBest of Beauty Award.

The study also showed an improved skin barrier function and decrease in skin dryness.

Missha Time Revolution The First Treatment Essence RX on a white background

This essence also containsceramidesto hydrate the skin andniacinamideto soothe and brighten the skin."

Its aim is totreat blemishes, redness, and uneven texture.

Other key ingredients include shea butter, cucumber, and marigold, which moisturize and nourish the skin.

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This formula also boastslactic acidderived from yogurt, which works exfoliates and moisturizes the skin.

Topical probiotics improve the skin’s moisture absorption and ward off the signs of aging.

Finally, it also helps improvesun damageto the skin."

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When staph proliferates, it kills off friendly bacteria, setting the stage for eczema flares.

But this cream can help keep staph in check.

It contains thermal spring water, which functions as a prebiotic, or a fertilizer-punch in ingredient for bugs.

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The brand took this rare bacteria and strengthened its properties by growing it in their thermal spring water.

The APF is a heat-killed strain, which makes it a postbiotic.

It provides long-lasting hydration and reduces the occurrence of flare-ups in dry skin."

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The new scientific studies supporting this product are incredibly convincing.

They also experienced a dramatic hike in hydration (266 percent!

), all of which translated to fewer eczema patches and less itching.

Éminence Organic Skin Care Clear Skin Probiotic Masque on a white background

Over time, as we’ve adopted more rigorous hygiene habits, weve lost some of our microbial diversity.

Mother Dirt aims to reintroduce our skin to theNitrosomonas eutrophastrain and bring back its unique benefits.

acnesbacteria something we once had to rely on antibiotic drugs and antibacterial cleansers to do."

Manyo Factory Bifida Complex Ampoule on a white background

Nourishing those species prevents their extinction, thereby preserving diversity.

Also in the mix isLactobacillus plantarum, which produces antibiotic-like molecules that can help with occasional breakouts.

Strains ofLactobacillus caseican do everything from dial down inflammation to fend off infections.

La RochePosay Lipikar Balm AP Intense Repair Moisturizing Cream on a white background

It may have similar benefits when placed directly on the skins surface.

Aveeno Eczema Therapy Moisturizing Cream on a white background

Mother Dirt AO Mist on a white background

LaFlore Probiotic Serum Concentrate on a white background

Marie Veronique PreProbiotic Daily Mist on a white background

Columbia Skincare Probiotic Concentrate on a white background

Elizabeth Arden Superstart Probiotic Boost Skin Renewal Biocellulose Mask on a white background

Glowbiotics HydraGlow Cream Oil on a white background