It helps protect delicate skin from the sun while battling fine lines and dark spots, fans say — wins all around.

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).

From Augustinus Bader splurges to Neutrogena steals ... My go-to budget pick is the True Skin Vitamin C Serum, which contains soothing ingredients like aloe vera and jojoba oil.

Below, browse through skin-smoothing staples from fan-favorite brands including Cosrx, Neutrogena ... shea butter to soothe ...