The Dose

Skincare research, recos,

and facts. Apply liberally.

Exponent vs SkinCeuticals Vitamin C Face-Off

Exponent Beauty Brightening Boost Vitamin C Serum SkinCeutical CE Ferulic Serum Price $166 ($156 for refills) $169 Concentration 10% L-Ascorbic 15% L-Ascorbic Maintains P...