This is a highly potent serum to work on the barrier. It is enriched with 90% of lactobacillus and offers barrier strengthening effect to improve the skins barrier. Helps to soothe irritated skin by strengthening the barrier to protect it from external stimulus. Formulated with a patented blend of two probiotics, lactobacillus and Bifida ferment lysate. 2 billion cells per ml that has the most effective pro collagen production effect. Because of the high concentration 90% of probiotics it quickly shows powerful skin recovery to a sensitive and damaged skin barrier. The serum has a watery consistency making it absorb easily and quickly into the skin and layering other serums on top. Clinically tested to soothe easily irritated and sensitive skin. It improves the skins texture by 189% and reduces redness by 226% within 3 days after a laser treatment. Free from harmful ingredients, no fragrance or coloring. Perfect for acne prone, barrier impaired skin.