One such product: Bliss Bright Idea Vitamin C + Tri-Peptide Facial Serum, an anti-aging, dark spot-reducing wonder. Right now, you can nab it at Amazon for just $18, down from $30 (nearly 40% off).
Dry skin types will benefit tremendously from a hyaluronic acid serum. Dull, tired skin can be brightened with vitamin C serum applied each morning. But the best face serums should do more than ...