What it is:A new generation super-hydrating eye
mask for an instantly fresh look.What it is formulated
to do:Get dramatically refreshed, radiant eyes with the
Sephora Brand Power Mask - Hydrogel Eye Mask. This
innovative technology brings you the power of polymer
support for seriously intensive, moisturizing skin
renewal. Treat your eye area to this richly
anti-inflammatory formula for targeted relaxation and
toning.What else you need to know:This advanced hydrogel
therapy redefines "a fresh set of eyes." You
can't help but see its dramatic results:
rested-looking eyes; relaxed eye contour; lighter, more
toned eyelids; and a sensational stress-free feeling.
Each packet contains one single-use mask.
I have not heard it suggested or required to refrigerate or freeze before using. If you would like to apply it cold you could store it in the fridge but it's not necessary.