Ferment

Applying a skincare lotion with probiotic ferment lysate softens dry areas, calms visible redness, and boosts daily moisture for sensitive skin. This gentle ingredient suits most skin types and appears most often in lightweight serums. Because of its fluid texture, the product layers easily into any existing daily routine.
This page shows ferment products with a Lovi page. For every product, and a routine built for your skin, use the Lovi app.
Popular ferment products
- AMOREPACIFIC Vintage Single Extract Essence
Questions and answers
What does ferment do for the skin?
Ferment helps improve skin moisturization and barrier strength while reducing redness. Applying a lotion with probiotic ferment lysate for 30 days may decrease transepidermal water loss in sensitive skin.
How do you use ferment?
You apply a probiotic ferment lotion twice daily for 30 days to help decrease skin redness and transepidermal water loss while increasing skin moisturization.
Should you use ferment in the morning or at night?
You may use ferment both in the morning and at night. Applying a lotion with probiotic ferment lysate helps improve skin moisturization and barrier function over time.
Can you use ferment every day?
Yes, you can use ferment every day, as applying a lotion with probiotic ferment lysate for 30 days helps improve skin moisturization and reduce redness. It is safe for daily use to help support the skin barrier.
Does ferment cause purging or irritation?
Ferment is unlikely to cause irritation and is not known to cause skin purging. In fact, applying a lotion containing probiotic ferment lysate for thirty days may help decrease skin redness and improve skin barrier function for sensitive skin.
Which skin types is ferment best for?
Ferment is best for sensitive skin, as it helps decrease water loss and redness while increasing moisturization. You can use it daily with popular products like AMOREPACIFIC Vintage Single Extract Essence.
Research on ferment
Behind this ingredient guide
Lovi checks every ingredient with brand-independent rules our dermatologists and cosmetic chemists build and review, and personalizes every pick with AI trained on the real results of millions of users. Lovi trains its fit score models on a proprietary dataset built from more than 10,000 expert-labeled products and more than 100,000 simulated examples, following an internally consistent methodology presented at Cosmoprof, AMWC, and Skin of Color Update.
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Co-founder, Medical Director
Cosmetic chemist, cosmetologist, aesthetic products developer
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Co-founder, CEO and CTO
PhD in computer science, 3x US patent holder, ex-Google, ex-Yandex
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Dr. Sof铆a Perea P茅rez, MD, MSc
Medical Board
Aesthetic medicine practitioner, MSc in Longevity and Anti-Aging Medicine
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Medical Board
Specialist dermatologist, MBBS, MD, IFAAD
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Medical Board
Cosmetic chemist, SCS, IFSCC member
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Medical Board, Medical Advisor
Dermatology MD
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Elina Nazarenko, MD
Medical Board
Dermatology and diagnostic consultant
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Victoria Derkova, MS
Medical Board
Cosmetic chemist, cosmetic development technologist
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