Neogen Probiotics Double Action SerumA prebiotic & probiotic packed dual serum to deliver firmer, stronger, more radiant skin. Anti aging serum duo to improve the natural skin barrier function and restore the skins pH levels for a hydrated, healthy appearance. Probiotics Double Action Serum is formulated with skin friendly ferments in the form of probiotics and prebiotics helping to smooth and plump fine lines and wrinkles. It deeply hydrates with hyaluronic acid and glycerin, while