NEW BORN ICON: SERUM VIVANT
VIVANT: In the world of Biologique Recherche (BR), the word "Vivant", French for "living" or "alive", is practically holy ground. It refers to the brand's biological, postbiotic-driven approach to treating problem skin using live yeast extracts and fermentation.
The Heritage Behind "Vivant"
When Yvan and Josette Allouche founded Biologique Recherche in the 1970s, their philosophy centered on cold-formulated, raw, active ingredients designed to restore the skin barrier rather than strip it.
- The Core Philosophy: Traditional anti-blemish treatments rely heavily on harsh drying agents that damage the skin mantle. Vivant represents the opposite strategy: rebalancing the skin's natural microbiome through bio-fermented yeast rich in B vitamins and amino acids.
- The "Living" Signature: Yeast acts as a natural regulator. It signals the skin to normalize sebum production, speed up cell turnover, and calm inflammation without destroying healthy tissue.
The Cult Following
For decades, the "Vivant" name belonged almost exclusively to Masque Vivant, one of the most famous, polarizing, and beloved cult beauty products in history.
- The "VegeMite" Aesthetic: Masque Vivant is notorious for its appearance and smell. It looks like sticky brown molasses, smells strongly like Marmite or brewer's yeast.
- The Ritual: Masque Vivant is often referred as a "face lift in a tube" or the ultimate emergency treatment for breakouts. 10-20 minutes a week and your skin feels alive again.
- Why People Endure It: Despite the pungent smell and messy application, the results are immediate, tightened pores, clear skin, and a distinct glow. Skin enthusiasts famously treat the unpleasant scent as a badge of honor; if a product smells good, it usually means it contains artificial fragrance, which BR strictly avoids.
What Serum Vivant Means for the Brand
For years, devotees had to rely on a 20-minute wash-off mask to get their "Vivant" fix. The introduction of Serum Vivant marks a major evolution: taking the high-efficacy, yeast-driven rebalancing power of the cult mask and turning it into a leave-on daily treatment. It brings the brand's signature "respect the skin barrier" philosophy into a light, continuous serum built for modern adult acne.
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So… What is Serum Vivant? It is an active, water-light serum powered by yeast extract, prebiotics (Inulin), marine bio-ferments (Bacillus and Alteromonas), and botanical pore-refiners (Lentil Seed and Mastic Gum). Instead of stripping the surface with harsh acids or drying agents, it taps into Biologique Recherche's cult-favorite bio-fermentation approach: working directly with your skin's microbiome to clear imperfections, reduce lingering redness, control excess sebum, and smooth out uneven texture.
Who is Serum Vivant for? This serum is formulated specifically for adult blemish-prone and oily skin types—especially skin experiencing:
- Stubborn, recurring hormonal or adult breakouts
- Post-acne redness and persistent inflammation
- Excess oiliness and surface shine
- Clogged pores and uneven skin texture
- Sensitivity to traditional, drying acne products (like high-strength benzoyl peroxide or strong retinoids)
- Skincare enthusiasts seeking the continuous benefits of BR's cult "Vivant" line in a daily format
How do I use it?
- Cleanse: Wash your face thoroughly and apply your toner or lotion (like the cult Lotion P50).
- Dose: Dispense 4 to 8 drops of Serum Vivant into the palm of your hand or directly onto fingertips.
- Apply: Press gently into your face, neck, and décolleté, focusing on areas prone to breakouts or excess oil.
- Finish: Allow a few seconds for the liquid to absorb fully, then follow with your preferred moisturizer.
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Frequency: Use daily—either morning, evening, or both—as part of your regular skincare routine.
Formula highlights:
Yeast Extract (Yeast Extract): The foundation of the Vivant philosophy; rich in amino acids and B vitamins to regulate oil production, accelerate cell turnover, and soothe inflammation.
Pre- & Postbiotics (Inulin, Bacillus & Alteromonas Ferment): Strengthen the skin’s microbiome and protective barrier to prevent new breakouts without drying out the skin.
Rose Myrtle (Rhodomyrtus Tomentosa Fruit Extract): Prevents sebum oxidation—the process that causes oil to harden, clog pores, and form blackheads.
Lentil Seed & Mastic Gum (Lens Esculenta Seed Extract & Pistacia Lentiscus Gum): Tighten enlarged pores, reduce excess oil, and leave a matte, refined skin texture.
Polylysine (Polylysine): A peptide that targets acne-causing bacteria and calms redness while preserving the skin's natural moisture balance.
Where can I buy Sérum Vivant?
You can find Serum Vivant online at Cultclinic.se and in-store at Cult Clinic, Karlavägen 69, Stockholm, Sweden, alongside a full range of Biologique Recherche products.
At Cult Clinic you can find a wide selection of Biologique Recherche products, as well as personalized skin treatments performed by advanced skin therapists tailored to your individual needs and concerns. 
BUY SERUM VIVANT HERE