. >> mireille guiliano is the author of the book "french women don't get face-lifts". >> we have beenwomen's thinking about aging and american women? >> well, you know, on average french women embrace aging. and are accepting of aging. and they're motivated early on to prevent. so they have tricks. they want to look natural, and still be desired after 50. we have this great thing -- speaking french ] life starts at 50. >> let's talk about this stuff, the oils. tell us about them. >> oil is like a miracle oil because especially when you live in dry weather, like new york city, and, you know, wind, cold, you need something for your skin. argon oil comes from a tree in morocco. it is very hard to -- very little of it made, but it has vitamin e and you know that, you know, i talk in my book about food lifts. >> food lifts? >> we need vitamin e. >> a little bit of argan oil. next up, masks. >> they tighten your pores, they're a detox. >> how often do you use? >> once a week. >> this you put a drop, you need very little of it. >> a day. >> this is a $30 bottle, but it lasts for nine months.