This is the renewed version of All Day Vitamin Pure C 5.5 Glow Serum. Benefits: A Vitamin C serum that provides anti-oxidants benefits and helps fading hyperpigmentation. Mildly acidic pH value of 3.95, non-stinging, non-heating and fragrance free formula. Enriched with Tocopherol and Aronia Fruit Extract that help strengthen skin barrier and reduce any possible skin irritation. How to use: Use AM and PM after cleanser and toner and follow up with moisturizer. Apply sunscreen when used in AM. Recommended to keep in fridge and do not use if the product turns dark.