SIV Biome Balancing Serum
Spore-Based Probiotic Serum for Acne, Redness & Barrier Repair
SIV Biome Balancing Serum is a spore-based probiotic serum designed to rebalance the skin’s microbiome and calm inflammation at the source.
Powered by resilient Bacillus spores and advanced quorum-sensing technology, this formula adapts to your unique skin environment to support beneficial bacteria, reduce breakouts, calm redness, and strengthen barrier function. Instead of aggressively stripping or suppressing the skin, SIV works intelligently to restore microbial balance, helping skin become clearer, calmer, and more resilient over time.
Why SIV Works
At the heart of this serum are powerful Bacillus spores, including Bacillus subtilis and Bacillus coagulans. These resilient microbes naturally:
- Increase beneficial bacteria on the skin’s surface
- Crowd out harmful bacteria, pathogens, and irritants
- Calm inflammation, breakouts, and redness
- Enhance hydration and barrier integrity
- Produce over 24 natural antibiotics and vitamin K2, promoting skin resilience
Through a process called quorum sensing, these intelligent spores communicate with other microbes on your skin, adapting to the unique needs of your individual microbiome and creating a more favorable environment for healthy skin.
The Science of SIV
Unlike traditional topical treatments that fight the skin’s microbiome, SIV nurtures it. By supporting microbial balance and reducing systemic inflammation triggered by gut imbalances, this serum helps restore calm, clarity, and resilience to the skin, from the inside out.
Who Will Love It
- Acne-prone or reactive skin
- Eczema, psoriasis, or other inflammatory skin conditions
- Supporting skin health for those with gut issues like dysbiosis or leaky gut
- Anyone looking to restore barrier health and achieve truly balanced skin
Take a closer look and learn more with Jeana's Blog: Why We Chose SIV Biome-Balancing Serum at Art of Skin Care
In a 317 participant study over the course of 30 days:
- 87.2% reported reduced redness
- 91.5% of users agreed that skin looked more youthful
- 89.6% of users reported less inflammation
- 89.9% of users reported improved complexion
- 93.4% of users agreed that skin felt more smooth
By supporting the homeostasis of the skin and restoring microbial balance, SIV creates the ideal environment for your other active serums to absorb more effectively and work even better. Think of it as setting the stage for optimal results!
Targeted Uses
Acne: Use on damp skin in the AM under treatment serums like Mandelic Acid. Do not use in the PM if applying Acne Med (BPO).
Rash Prone (Face or Body): Apply twice daily after cleansing or toning.
Fine Lines & Wrinkles / Healthy Aging: Use once daily (AM or PM) after cleansing or toning, or mix a few drops into moisturizer.
Maintenance: Mix a few drops into your moisturizer; use once or twice daily.
Post-Shaving: Apply directly after shaving.
Bug Bites: Apply directly to the affected area as needed.
Microneedling: Wait 24 hours before applying.
Post-Laser or Microdermabrasion: Apply immediately after treatment.
General Use
Shake well before use. Apply to clean skin as the first step in your routine.
How to Apply
Press the bottom of the dropper to release 1-2 drops. Use 1–2 drops on damp skin, gently patting or rubbing. Allow to dry (1–2 minutes) before continuing your routine.
See the AOS Insider Tips above for advice on treating specific concerns.
Please Note:
Avoid contact with the eyes. If the product gets into your eyes, rinse thoroughly with water. If you have highly sensitive skin, we recommend doing a patch test on a small area before applying it to your entire face. Do not use if you are allergic to any of the listed ingredients. If irritation occurs, discontinue use and consult your skincare professional.
- Bacillus: A proprietary blend of Bacillus spores support a healthy skin foundation and visibly improves skin. Positively influencing your unique skin biome and establishing balance. The spores can help improve the skin microbiome by targeting overgrown bacteria, while facilitating the growth of other essential species- effectively balancing the skin microbiome.
- Squalane: Keeps skin hydrated and balances oil production by mimicking the skin’s acid mantle while also reducing inflammation, soothing skin irritation, and improving elasticity.
- Caprylic/Capric Triglyceride: Rich in fatty acids, derived from coconut oil, works as an emollient to soften, moisturize, and replenish the skin.
Squalane, Caprylic/Capric Triglyceride, Glyceryl Caprylate, Bacillus
What is SIV Biome Balancing Serum?
SIV Biome Balancing Serum is a skin barrier and microbiome supporting serum designed to calm inflammation, improve hydration, and strengthen the skin’s natural defenses. It helps balance the good bacteria on the skin, which plays a key role in reducing sensitivity, breakouts, redness, and dehydration.
Who should use SIV Biome Balancing Serum?
This serum is ideal for anyone experiencing compromised skin, including acne-prone, sensitive, reactive, or post-treatment skin. It is especially helpful for those dealing with redness, irritation, barrier damage, or skin that feels easily overwhelmed by active products.
What does “biome balancing” mean for skin?
Biome balancing refers to supporting the healthy bacteria that naturally live on your skin. When the microbiome is balanced, skin is better able to defend itself, retain moisture, and stay calm. An imbalanced microbiome can contribute to breakouts, inflammation, dryness, and sensitivity.
Is SIV Biome Balancing Serum good for acne-prone skin?
Yes. A healthy skin microbiome helps regulate oil production and reduce acne-triggering inflammation. This serum supports clearer skin without stripping or disrupting the barrier, making it suitable for acne-prone and breakout-sensitive skin types.
Can I use SIV Biome Balancing Serum with active treatments?
Yes. SIV can be layered under most active treatments. However, when using with benzoyl peroxide we recommend using SIV in the AM and BPO in the PM.
Is this serum safe for sensitive or rosacea-prone skin?
Yes. The formula is designed to calm and support stressed skin. By strengthening the barrier and supporting the microbiome, it can help reduce redness, discomfort, and sensitivity over time.
How do I use SIV Biome Balancing Serum?
Apply one to two pumps to clean skin after cleansing and toning. Follow with moisturizer. It can be used morning and night and layers well under other treatment products.
Can SIV Biome Balancing Serum help with post-treatment recovery?
Yes. It is an excellent option after treatments like chemical peels, microneedling, lasers, or acne treatments. It helps calm inflammation and supports faster barrier recovery.
Spore-based probiotic serum that balances the skin microbiome, reduces acne and redness, and strengthens barrier function with quorum-sensing technology.
- Unit price
- /per
Primary Concerns:
- Inflammation
- Redness/Rosacea
- Compromised Barrier
Best For:
- Dry
- Normal
- Oily
- Combination
- Sensitive
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SIV Biome Balancing Serum
Spore-Based Probiotic Serum for Acne, Redness & Barrier Repair
SIV Biome Balancing Serum is a spore-based probiotic serum designed to rebalance the skin’s microbiome and calm inflammation at the source.
Powered by resilient Bacillus spores and advanced quorum-sensing technology, this formula adapts to your unique skin environment to support beneficial bacteria, reduce breakouts, calm redness, and strengthen barrier function. Instead of aggressively stripping or suppressing the skin, SIV works intelligently to restore microbial balance, helping skin become clearer, calmer, and more resilient over time.
Why SIV Works
At the heart of this serum are powerful Bacillus spores, including Bacillus subtilis and Bacillus coagulans. These resilient microbes naturally:
- Increase beneficial bacteria on the skin’s surface
- Crowd out harmful bacteria, pathogens, and irritants
- Calm inflammation, breakouts, and redness
- Enhance hydration and barrier integrity
- Produce over 24 natural antibiotics and vitamin K2, promoting skin resilience
Through a process called quorum sensing, these intelligent spores communicate with other microbes on your skin, adapting to the unique needs of your individual microbiome and creating a more favorable environment for healthy skin.
The Science of SIV
Unlike traditional topical treatments that fight the skin’s microbiome, SIV nurtures it. By supporting microbial balance and reducing systemic inflammation triggered by gut imbalances, this serum helps restore calm, clarity, and resilience to the skin, from the inside out.
Who Will Love It
- Acne-prone or reactive skin
- Eczema, psoriasis, or other inflammatory skin conditions
- Supporting skin health for those with gut issues like dysbiosis or leaky gut
- Anyone looking to restore barrier health and achieve truly balanced skin
Take a closer look and learn more with Jeana's Blog: Why We Chose SIV Biome-Balancing Serum at Art of Skin Care
In a 317 participant study over the course of 30 days:
- 87.2% reported reduced redness
- 91.5% of users agreed that skin looked more youthful
- 89.6% of users reported less inflammation
- 89.9% of users reported improved complexion
- 93.4% of users agreed that skin felt more smooth
By supporting the homeostasis of the skin and restoring microbial balance, SIV creates the ideal environment for your other active serums to absorb more effectively and work even better. Think of it as setting the stage for optimal results!
Targeted Uses
Acne: Use on damp skin in the AM under treatment serums like Mandelic Acid. Do not use in the PM if applying Acne Med (BPO).
Rash Prone (Face or Body): Apply twice daily after cleansing or toning.
Fine Lines & Wrinkles / Healthy Aging: Use once daily (AM or PM) after cleansing or toning, or mix a few drops into moisturizer.
Maintenance: Mix a few drops into your moisturizer; use once or twice daily.
Post-Shaving: Apply directly after shaving.
Bug Bites: Apply directly to the affected area as needed.
Microneedling: Wait 24 hours before applying.
Post-Laser or Microdermabrasion: Apply immediately after treatment.
General Use
Shake well before use. Apply to clean skin as the first step in your routine.
How to Apply
Press the bottom of the dropper to release 1-2 drops. Use 1–2 drops on damp skin, gently patting or rubbing. Allow to dry (1–2 minutes) before continuing your routine.
See the AOS Insider Tips above for advice on treating specific concerns.
Please Note:
Avoid contact with the eyes. If the product gets into your eyes, rinse thoroughly with water. If you have highly sensitive skin, we recommend doing a patch test on a small area before applying it to your entire face. Do not use if you are allergic to any of the listed ingredients. If irritation occurs, discontinue use and consult your skincare professional.
- Bacillus: A proprietary blend of Bacillus spores support a healthy skin foundation and visibly improves skin. Positively influencing your unique skin biome and establishing balance. The spores can help improve the skin microbiome by targeting overgrown bacteria, while facilitating the growth of other essential species- effectively balancing the skin microbiome.
- Squalane: Keeps skin hydrated and balances oil production by mimicking the skin’s acid mantle while also reducing inflammation, soothing skin irritation, and improving elasticity.
- Caprylic/Capric Triglyceride: Rich in fatty acids, derived from coconut oil, works as an emollient to soften, moisturize, and replenish the skin.
Squalane, Caprylic/Capric Triglyceride, Glyceryl Caprylate, Bacillus
What is SIV Biome Balancing Serum?
SIV Biome Balancing Serum is a skin barrier and microbiome supporting serum designed to calm inflammation, improve hydration, and strengthen the skin’s natural defenses. It helps balance the good bacteria on the skin, which plays a key role in reducing sensitivity, breakouts, redness, and dehydration.
Who should use SIV Biome Balancing Serum?
This serum is ideal for anyone experiencing compromised skin, including acne-prone, sensitive, reactive, or post-treatment skin. It is especially helpful for those dealing with redness, irritation, barrier damage, or skin that feels easily overwhelmed by active products.
What does “biome balancing” mean for skin?
Biome balancing refers to supporting the healthy bacteria that naturally live on your skin. When the microbiome is balanced, skin is better able to defend itself, retain moisture, and stay calm. An imbalanced microbiome can contribute to breakouts, inflammation, dryness, and sensitivity.
Is SIV Biome Balancing Serum good for acne-prone skin?
Yes. A healthy skin microbiome helps regulate oil production and reduce acne-triggering inflammation. This serum supports clearer skin without stripping or disrupting the barrier, making it suitable for acne-prone and breakout-sensitive skin types.
Can I use SIV Biome Balancing Serum with active treatments?
Yes. SIV can be layered under most active treatments. However, when using with benzoyl peroxide we recommend using SIV in the AM and BPO in the PM.
Is this serum safe for sensitive or rosacea-prone skin?
Yes. The formula is designed to calm and support stressed skin. By strengthening the barrier and supporting the microbiome, it can help reduce redness, discomfort, and sensitivity over time.
How do I use SIV Biome Balancing Serum?
Apply one to two pumps to clean skin after cleansing and toning. Follow with moisturizer. It can be used morning and night and layers well under other treatment products.
Can SIV Biome Balancing Serum help with post-treatment recovery?
Yes. It is an excellent option after treatments like chemical peels, microneedling, lasers, or acne treatments. It helps calm inflammation and supports faster barrier recovery.
Explore More Recommendations
SIV Biome Balancing Serum
- KGKristy G.Verified BuyerReviewingSIV Biome Balancing SerumI recommend this productHow old are you? 40-49What is your skin type? CombinationWhat is your skin tone? FairWhat are your skin concerns? Ageing, Blemish-prone, Pigmentation, WrinklesRated 5 out of 5 stars14 minutes agoFabulous Find
I don’t know what it is about this product, but it makes my skin glow AND it helps keep my perimenopausal acne under control. A little goes a long way with this one, so dispense with caution. I like to dispense a drop directly on my forehead and pat in, then a drop on each side of my lower face. I discovered Siv about a year ago and it is an absolute essential.
Was this helpful? - PSPaula S. J.Verified BuyerReviewingSIV Biome Balancing SerumI recommend this productHow old are you? Over 65What is your skin type? CombinationWhat is your skin tone? FairWhat are your skin concerns? Redness, Sensitivity, AgeingRated 5 out of 5 stars1 week agoGreat for rosacea
This was recommended to me to help with rosacea. It has quickly become a daily routine. Leaves skin soft, not drying, and has helped clear rosacea. Highly recommend!
Was this helpful? - SPSusan P.Verified BuyerReviewingSIV Biome Balancing SerumI recommend this productHow old are you? 50-65What is your skin type? CombinationWhat is your skin tone? MediumWhat are your skin concerns? Acne, Redness, Pigmentation, Blemish-proneRated 5 out of 5 stars2 weeks agoHYPE IS WARRANTED
Now I get the hype around this product. I use the smallest amount on troublesome areas or after extractions to speed up healing. Helpful to calm irritation and redness
Was this helpful? - ABAja B.Verified BuyerReviewingSIV Biome Balancing SerumI recommend this productHow old are you? 40-49What is your skin type? CombinationWhat is your skin tone? DarkWhat are your skin concerns? Ageing, Blemish-prone, PigmentationRated 5 out of 5 stars4 weeks agoGreat Product
It works well for eczema and little breakouts. Cleared up some small breakouts overnight.
Was this helpful? - SSSusan S.Verified BuyerReviewingSIV Biome Balancing SerumI recommend this productHow old are you? 50-65What is your skin type? NormalWhat is your skin tone? MediumWhat are your skin concerns? Ageing, Wrinkles, PigmentationRated 5 out of 5 stars1 month agoSIV
This had been great at keeping my husband's eczema under control
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