B Oil by The Ordinary This item is excluded from promo Daily, skin-supporting serum A purified form of micro-algae solubilised in a blend of squalene and natural oils Designed to help support skin’s natural defence barrier, boost radiance and protect against free-radical damage Apply a few drops to face after application of water-based treatments Comes in a UV-protected bottle to maximise product’s effectiveness Good to know: product’s golden-green tinge and mild herbal scent is due to its high micro-algae concentration Carry out patch test before use Product is non-returnable for hygiene reasons