WHAT IT IS: a soothing serum to strengthen, protect + give skin a moisture barrier boost Amino Acids + Fatty Acids The Barrier Builder Skin been through the works Skin barrier been damaged Time for barrier builder all about keeping things healthy, this soothing & strengthening serum protects your skin s natural moisture barrier with a cocktail of essential ceramides, amino + fatty acids (think of them as the building blocks of your skin barrier) to boost resilience & overall health. For strong skin that s healthy + protected. 30ml Glow Hub have recently made some small tweaks to this formula; this means you may notice a slight change to the consistency or scent compared to previous bottles. Don t worry, it still has the same incredible active ingredients your skin loves, so you can expect the same amazing results. Directions: Morning + night after cleansing followed by your moisturiser and your SPF in the AM :) I m good to use twice daily