KrX Milk Boosting SerumKrX's Milk Boosting Serum contains 208,000 ppm Lactobacillus Milk Ferment Filtrate. This serum was built around what compromised skin needs most: barrier restoration, sustained hydration, and tone correction without overwhelming sensitized tissue. A five ceramide complex (NP, AP, AS, NG, and Glycosphingolipids) works alongside Hydrogenated Lecithin and Phytosterols to reinforce lipid structure within the barrier. Squalane and Shea Butter add emollient