
Biome Balancing Serum

Biome Balancing Serum
Restores Skin Harmony
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Powered by Advanced Microbiome Science
Bacillus Spores
Probiotic bacteria that help support the skin microbiome by rebalancing microbial populations and reducing inflammation.
Squalane
Lightweight, stable, and non-comedogenic emollient derived from olives or sugarcane that moisturizes, softens, and protects the skin barrier.
Glyceryl Caprylate
Natural, plant-based, emollient derived from glycerin and plant fatty acids; restores the oils of the skin, regulates the skin moisture and acts as a humidifier to the skin.

Hydration That Lasts
Same Day Shipping
We ship all orders every day, so your skincare never has to wait. With fast, daily fulfillment, you’ll get your products quickly—before you run out or miss a step in your routine.

Safe for All Skin Types
Frequently Asked Questions
What makes this serum different from other microbiome products?
Unlike standard probiotic skincare, the Biome Balancing Serum uses resilient Bacillus spores that can survive harsh conditions and activate on the skin where they’re needed most. These spores work intelligently, targeting harmful bacteria and fostering beneficial ones for a more balanced microbiome.
Will it help with redness or irritation?
Yes. The serum’s calming blend of spore-based technology and hydrating emollients helps reduce the appearance of redness and soothe irritation, making it ideal for sensitive or reactive skin.
Is it safe for oily or acne-prone skin?
Absolutely. The lightweight, non-comedogenic formula won’t clog pores and helps regulate the skin’s microbiome, which can improve clarity and reduce congestion over time.
If I’m using hypochlorous acid, when should I apply SIV?
Since hypochlorous acid can disrupt the skin’s microbiome and may kill the spores in SIV, it’s best to avoid pairing them. But if you do use both, apply the hypochlorous spray first, wait 10–15 minutes, and then apply SIV so the spores have the best chance to thrive.
Can I use it with my other skincare products?
Yes, this serum layers well with most routines. Apply after cleansing and before heavier creams or oils to let the spore technology and hydration work effectively.
Genuine Products
We are proud to be an Authorized SIV Retailer, using the exact same products every day on clients in our NYC skincare clinic. Every product you receive is 100% authentic and factory-sealed. All items are shipped directly from our environmentally controlled space to preserve their quality and efficacy.
How to Use Biome Balancing Serum
- Before use, shake the dropper vigorously, until the bottom of the dropper is clear, to disperse Bacillus spores throughout the serum.
- Apply 2-5 drops directly to face (clean & dry) once daily and gently massage and then pat into skin.
- For optimal results: apply after toner and before moisturizer.
Full Ingredients List
Squalane, Caprylic/Capric Triglyceride, Glyceryl Caprylate, Bacillus
Results Vary by Individual
The skincare benefits described are based on the product’s intended use and active ingredients, but individual results can vary. Factors such as skin type, condition, lifestyle, and consistent use all influence outcomes. This information is not a substitute for professional advice. Always follow usage directions and consult a skincare professional for personalized recommendations.
