20. The Ordinary Pycnogenol 5%
While you may not have heard of the main ingredient before, The Ordinary Pycnogenol 5% ($9) is a new serum that boosts natural hydration and firmness in your face. It's worth adding this to your skincare vocabulary as pycnogenol — an extract from the bark of French maritime pine trees — protects skin's natural collagen and elastin so your complexion stays nurtured and supple.
Image Source: sephora.com