Squalane + Probiotic Gel Moisturizer

Probiotic skincare has spent the better part of the last decade hovering somewhere between legitimate science and marketing opportunism. Dozens of products slap 'probiotic' on the label, include a trace of ferment lysate at the bottom of the INCI list, and call it innovation. Biossance decided to take a different approach with the 2023 reformulation of this gel moisturizer, and the result is one of the more honest attempts at microbiome-focused skincare currently available.

The headline claim is over one billion active cultures per drop from a seven-strain ferment complex that includes Lactobacillus, Lactococcus, Saccharomyces, and four other microbial strains cultured with fig and lemon. These are not live bacteria being applied to your face in the traditional probiotic sense — the fermentation process produces postbiotic metabolites (enzymes, organic acids, peptides) that influence the skin's microbiome environment. The encapsulation technology in the 2023 reformulation is designed to keep these cultures stable in the jar and release them upon application, addressing one of the fundamental challenges of probiotic skincare: getting the bioactive compounds to the skin in an active state rather than degraded in transit.

Biossance's biotech heritage lends credibility here that a conventional beauty brand would struggle to claim. The company was born from Amyris, a synthetic biology firm that understands fermentation at a molecular level. When they say they have encapsulated probiotic cultures, the technology backing that claim is more substantial than marketing copy — it reflects the fermentation expertise that originally produced the brand's sugarcane-derived squalane.

The supporting cast is chosen with obvious intent. Bisabolol, the active compound derived from chamomile, is one of the most reliable anti-inflammatory ingredients in cosmetic chemistry, and it works synergistically with the probiotic ferment's microbiome-balancing action. Where the probiotics address the underlying microbial dysbiosis that can drive redness and sensitivity, bisabolol provides immediate topical soothing — a one-two punch that covers both the cause and the symptom. Allantoin reinforces this calming profile with its own skin-conditioning and cell-regeneration properties.

Squalane, predictably, anchors the moisture strategy. At an estimated five to seven percent (third in the INCI), it provides the lightweight barrier support that distinguishes this from the water-and-thickener gel moisturizers that dominate the oily-skin market. The squalane integrates into the skin's natural lipid matrix without the greasiness of plant oils, which is why this gel can satisfy combination skin without triggering the T-zone.

On the skin, the gel is immediately pleasant — cool, lightweight, and absorptive in the way that only well-formulated gel moisturizers achieve. A pea-sized amount covers the full face and sinks in within thirty seconds, leaving a dewy but not sticky finish that layers cleanly under sunscreen. The fragrance-free formula means zero scent, which in the clean beauty world — where lavender and rosemary frequently substitute for synthetic fragrance — is genuinely notable. This product smells like nothing, and that is a feature.

Results unfold on two timelines. The soothing effects — reduced redness, calmer reactive skin, decreased irritation — are apparent within the first week or two, driven primarily by the bisabolol and allantoin. The deeper microbiome benefits take longer. Biossance advises six to eight weeks for the probiotic cultures to fully influence the skin's microbial ecosystem, and user reviews broadly confirm this timeline. Some users report a brief adjustment period in weeks one and two — minor textural changes or small breakouts — as the microbiome recalibrates. This is not universal, but it is worth knowing about.

The National Eczema Association Seal of Acceptance is a significant credential that deserves attention. NEA acceptance requires independent evaluation of the product's safety profile on compromised, eczema-prone skin. For a probiotic product targeting reactive skin types, this certification provides validation that the formula supports rather than disrupts an already vulnerable barrier.

Honest limitations: this moisturizer is lightweight by design, and dry skin types will likely find it insufficient as a standalone moisturizer, particularly in winter or dry climates. It is a gel, and gels trade richness for weightlessness. If your skin needs serious occlusivity, layer a richer cream or facial oil over this. The jar packaging, while attractive and recyclable, is less hygienic than a pump for a product that markets its probiotic cultures as a key feature — a tube or airless pump would better protect the bioactive compounds from repeated air exposure and finger contamination.

At $54 for 50 milliliters, the pricing positions this as a premium gel moisturizer. Comparable gel moisturizers from K-beauty and drugstore brands sell for $15-25, though few offer the certified probiotic technology and clean beauty credentials found here. The Leaping Bunny certification, NEA acceptance, vegan status, and dermatologist testing add intangible value that matters to the clean beauty consumer. Whether those certifications justify twice the price of a well-formulated alternative is a personal calculation.

Biossance survived corporate upheaval — Amyris's 2023 bankruptcy and the subsequent THG acquisition — and has maintained its product lineup and certifications through the transition. For a brand that asks consumers to invest in biotech-driven skincare, that continuity matters. The Squalane + Probiotic Gel Moisturizer represents the brand's identity at its most focused: biotechnology applied to a real skin concern, delivered in a clean format, priced for a consumer who values both science and ethics.

Formula

The Science

The skin microbiome has emerged as a significant area of dermatological research, with studies published in the Journal of Investigative Dermatology establishing that microbial diversity on the skin surface directly influences barrier function, immune response, and susceptibility to conditions like acne, eczema, and rosacea. Products that support microbiome balance — rather than simply sterilizing the skin surface — represent a shift toward ecology-based skincare.

The multi-strain ferment in this product generates postbiotic metabolites during the fermentation process. Research in the British Journal of Dermatology (2019) demonstrated that topical application of Lactobacillus ferment lysate significantly improved skin barrier function and reduced transepidermal water loss in subjects with atopic dermatitis. The mechanism involves modulation of antimicrobial peptide expression and immune signaling on the skin surface, creating an environment that favors commensal (beneficial) bacteria over pathogenic species.

Bisabolol, derived from Matricaria chamomilla, has documented anti-inflammatory properties mediated through inhibition of cyclooxygenase and lipoxygenase pathways. A study in the Journal of the European Academy of Dermatology and Venereology demonstrated significant reduction in erythema and scaling when bisabolol was applied to irritated skin, supporting its role as a soothing agent that complements the probiotic's microbiome-level action with immediate surface-level anti-inflammatory relief.

Squalane's barrier-supporting role in this formulation is backed by research showing that topical squalane application increases skin hydration and elasticity without disrupting the microbiome. Unlike some emollients that can create anaerobic conditions favoring pathogenic bacteria, squalane's non-occlusive properties maintain the aerobic environment that supports beneficial skin organisms — an important consideration in a product designed to optimize microbial balance.

References

1. Lactobacillus ferment lysate improves skin barrier function in atopic dermatitis — British Journal of Dermatology (2019)

Dermatologist Perspective

Dermatologists have become increasingly interested in the skin microbiome as a therapeutic target, and products like this gel moisturizer represent the consumer-facing edge of that research. Board-certified dermatologists note that the multi-strain probiotic approach is more nuanced than single-strain products, as microbial diversity on the skin is associated with healthier barrier function. The National Eczema Association acceptance provides clinical reassurance that the formula is safe for compromised skin — a population that particularly benefits from microbiome-supportive care. Dermatologists typically recommend this for patients with reactive, redness-prone skin who want a lightweight moisturizer that supports rather than suppresses the skin's natural ecology. It is frequently positioned as a complement to, not a replacement for, targeted treatments like prescription anti-inflammatories or retinoids.

Guidance

Biossance originally launched this probiotic gel moisturizer in 2018 as part of its mission to prove that biotech-derived ingredients could outperform traditional formulations. The 2023 reformulation represented a significant upgrade — the original used a simpler probiotic ferment, while the new version employs encapsulated live cultures from seven bacterial and yeast strains cultured with fig and lemon. The product holds the National Eczema Association Seal of Acceptance, indicating it has been evaluated for safety on compromised skin — a meaningful distinction for a probiotic product targeting reactive skin types.

About Biossance Established Brand (5–20 years)

Biossance was launched in 2016 by Amyris, a biotechnology company that developed sugarcane-derived squalane. The brand is Leaping Bunny and PETA certified, and this product holds the National Eczema Association Seal of Acceptance. The formula was reformulated in 2023 with encapsulated probiotic technology. The brand was acquired by THG following Amyris's 2023 bankruptcy.

Brand founded: 2016 · Product launched: 2018

Myth vs. Reality

Myth

Probiotic skincare puts live bacteria on your face.

Reality

While this product does contain fermented cultures from seven microbial strains, the 'probiotics' in skincare work differently than dietary probiotics. The fermentation process produces metabolites (postbiotics) — enzymes, peptides, and organic acids — that support the skin's microbiome balance. The encapsulated cultures in this formula are designed to remain stable in the jar and release their benefits upon application.

Myth

Gel moisturizers are not real moisturizers — they are just water.

Reality

This gel contains squalane (a lipid emollient), glycerin (a humectant), hyaluronic acid, and phospholipids — all genuine moisturizing ingredients. The gel format simply delivers them without the heavy waxes and occlusives that make traditional creams feel rich. For oily and combination skin types, a well-formulated gel moisturizer can provide sufficient hydration without the pore-clogging risk of heavier textures.

FAQ

Common Praise

"Lightweight gel absorbs quickly without heaviness or greasiness"

"Effectively calms redness and irritation"

"Does not clog pores or trigger breakouts"

"Refreshing cooling sensation on application"

"Works well layered under sunscreen and makeup"

"Fragrance-free and truly gentle"

Common Complaints

"Price is high for a gel moisturizer at $54 for 1.69 oz"

"Full probiotic benefits take 6-8 weeks to manifest"

"May not be hydrating enough for dry skin as a standalone moisturizer"

"Jar packaging raises hygiene concerns versus pump"

"Brief adjustment period possible in first 1-2 weeks"

"Contains soy derivatives — concern for soy-allergic individuals"

Notable Endorsements

National Eczema Association Seal of AcceptanceLeaping Bunny and PETA certifiedDermatologist testedAvailable at Sephora

Appears In

best gel moisturizer for oily skin best probiotic moisturizer best moisturizer for rosacea best clean beauty moisturizer best moisturizer for sensitive skin

Related Conditions

acne rosacea sensitivity oiliness compromised skin barrier eczema

Related Ingredients

squalane probiotics prebiotics hyaluronic acid allantoin chamomile