“It’s not exactly a toner, and it’s not quite a serum. But it doesn’t really matter what you call it when you consider that practically every facialist and beauty editor we know is obsessed with Biologique Recherche Lotion P50V. This breakout obliterator has got niacinimide (which controls redness), lactic acid (which cleans out pores), sulfur (which sops up oil and makes your skin produce less of it), and something along the lines of unicorn tears (to account for the nearly supernatural results).”
Allure Magazine