Clinique Fresh Pressed 7-Day System With Pure Vitamin C This top-rated Clinique Fresh Pressed 7-Day System With Pure Vitamin C ($28) also includes two products to work together, but it's a treatment meant to be used every day for a week. First, there's the powder cleanser with pure vitamin C to wash your face, and then there's a daily booster serum with a 10-percent concentration of vitamin C that can be added to your existing moisturiser to work on brightening and smoothing your skin all day (and night) long. Image Source: sephora.com Clinique Fresh Pressed 7-Day System With Pure Vitamin C $28 from sephora.com Buy Now