What is it: philosophy's most popular serum!
Who is it for: Anyone whose skin is showing the signs of aging, including loss of radiance, firmness, and hydration.
Why is it different: Created to help fight the signs of aging, this serum is a light, fluid gel enriched with firming, hydrating, and anti-wrinkle properties. The formula also contains a unique blend of antioxidants that help fight free radical attack.
How do I use it: Use in the morning and/or evening. Place five to six drops of serum into the palm of your hand and apply directly to face, neck, and chest area.