B3 BIOME BARRIER BOOSTER
R645.00
A lightweight, fast-absorbing formula that layers easily onto the skin, preparing it for subsequent products. This formula strengthens the skin barrier, locks in hydration, & protects against environmental stressors while restoring the lipid matrix to reduce water loss. Acting as an optimiser, it repairs the barrier, enhances resilience & improves the effectiveness of treatments applied afterwards. It also supports & balances the skin microbiome, helping to reduce sensitivity, redness & breakouts. Enriched with pre- & probiotics, it promotes healthy skin flora & reinforces the skin’s natural immune defences. Available in a 50ml serum pump.
IDEAL FOR: Suitable for all skin types, but best suited for dry, dehydrated, sensitive, or barrier-damaged skin, or seeking added moisture & radiance.
DIRECTIONS FOR USE: Apply a small amount to clean skin after cleansing & spraying i4 Medical Mist. Gently massage into the face & neck until absorbed. Proceed with targeted serum/coat of choice.
KEY INGREDIENTS:
Ceramides NP/NS/AP/AS/EOP (plant-derived) - Replenishes lost skin lipids, restores barrier integrity while maintaining skin hydration. Ceramides rebuild the natural mortar of the skin, keeping moisture in & irritants out.
Phytosphingosine - Natural lipid in skin that supports ceramide function with anti-inflammatory benefits. Works with ceramides to reinforce the barrier while calming redness or sensitivity.
Cholesterol - Balances skin lipids & synergises with ceramides for optimal barrier repair. An essential lipid that locks in moisture & strengthens skin structure.
Shea Butter - Occlusive emollient which fills gaps in lipid matrix & softens the skin. Adds immediate silky softness while supporting lipid restoration.
Squalane - Lightweight emollient; mimics skin’s natural sebum; enhances skin pliability. Boosts hydration & barrier repair without heaviness; perfect for layering.
Limnanthes Alba (Meadowfoam) Seed Oil - Barrier-supporting emollient that stabilises lipid matrix. A lightweight, silky oil that smooths skin & seals hydration.
Bifida Ferment Filtrate - Probiotic metabolite that repairs DNA damage from UV/stress & supports growth of beneficial bacteria. Promotes recovery of stressed skin & encourages the growth of good bacteria.
Galactomyces Ferment Filtrate - Prebiotic & probiotic metabolites offering barrier support & anti-oxidative. Feeds & nourishes the skin’s good bacteria while enhancing barrier function.
Oryza Sativa (Fermented Rice) Extract - A prebiotic & antioxidant that supports a beneficial microbial environment, creating a nutrient-rich environment to favour healthy skin flora.
Phyllostachys Pubescens - Anti-inflammatory & prebiotic support, which soothes irritation & calms the skin while helping the microbiome rebalance after disruptions.
Pentylene Glycol / Glycerin - Humectants to maintain water balance & indirectly support healthy flora. Hydrated skin supports optimal microbial health, which prevents the overgrowth of harmful bacteria.









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