No. 7: Boots No7 Protect & Perfect Beauty Serum, $19.99TotalBeauty.com average member rating: 9.4*
Why it's great: "This product really delivers ... I use it day and night. Does not feel greasy or heavy. Performs as well (if not better) than any expensive brands. A lot of bang for your buck here, girls!" -- Norris, Total Beauty reader
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*At time of publication
SEE NEXT PAGE: No. 6: Basis Cleaner Clean Face Wash, $3.99