The value of Pi (π) is the ratio of the actives and is approximately equal to phenomenal results. Developed to assist pigmentated and uneven skin types, Pi Serum is a lightweight and potent brightening serum that promotes lighter, brighter and more even complexions. Formulated with a potent cocktail of peptides, vitamins and enriched with a trio of plant based tyrosinase inhibitors, Pi Serum targets existing pigmentation, stubborn sunspots and discolouration while preventing the production of future ones. WHY YOU'LL LOVE IT ♥Reveal brighter and lighter complexions ♥Addresses uneven skin tone and texture ♥Potent tyrosinase inhibitors address existing pigmentation whilst preventing future developments ♥Balanced skin function is restored