Winter skin needs more than just hydration, we need nourishment. Apply the Birch Water Purifying Essence before applying your hyaluronic acid hydrator this will help trap in the moisture. The Coconut Age Corrective Moisturizer is an ultra-rich natural retinol that will keep your skin nourished while boosting collagen. Seal in extra nourishment with the Rosehip Triple Vitamin C+E Firming Oil.