1) When beauty's present, it's okay to appreciate it, because it's part of God's good creation.
2) The beauty of someone's personality changes their face into something even more beautiful - changes even an ugly face into something beautiful. This is a reflection of reality, and shouldn't be taken as an illusion. The intangible has a real effect on the tangible.
3) Beauty fades, and that's okay, too, because God keeps all good things in his care, and we can trust him to take care of what's good in us. I guess: The Lord gave, the Lord takes away, and blessed be the name of the Lord. (And so don't rely on whatever beauty you happen to have; cultivate what lasts instead.)
And, perhaps most of all:
4) Don't trust beauty product companies who try to make philosophical statements about beauty; they're still trying to sell you something.