How To Use Store in your refrigerator for an advanced cooling sensation every time you apply. Gently squeeze to release serum. Glide cooling metal tip applicator across eye contour AM and PM before your magic skincare. Use the flat side to apply the serum to the undereye area and twist to use the ball side for a refreshing massage effect. Product Details Charlotte Tilbury's instant eye-awakening Cryo-Recovery Eye Serum is charged with Iceawake and caffeine with a skin-cooling applicator tip for eyes that appear depuffed smoothed and brighter. Working with world leading laboratories Charlotte has used a caffeine complex to harness the power of this natural miracle compound. ; Found most commonly in tea coffee chocolate and kola caffeine is a naturally occurring chemical compound. Caffeine is well known for its effects on alertness and mood but it also has benefits when applied topically. Caffeine helps to reduce the visible effects of inflammation puffiness redness and discolouration like dark circles. ; Caffeine helps the skin stay in top condition for longer and delays the appearance of fine lines and wrinkles. It is also a diuretic meaning it helps relieve water retention reducing the look of puffiness.