impressions:
very easy to apply
a little goes a long way
noticed slight brightening
absolutely no scent or fragrance
very mild (do not expect "amazing" results)
you will feel its presence
How to use:
clean your face with a cleanser
apply toner, serum, moisturizer
take a small amount of this sleeping mask and apply it to face
wait for it to dry
wash it off when you wake up! :)
Since this mask is acid base, I prefer to use it after applying moisturizer so that my skin can absorb it better (as compared to an acid based toner).