How to "lock" the moisture

Moisturing is the first topic in beauty area.
Every people mention moisturing, it is basic of all skin care.
However, people always mention moisturing, but how to "lock" the moisture?
Daily use skin care products only reach 1.5mm depth under surface.
If do not use any lock water products, skin easy to be dry again.
Many people use cream, and kind of some people use enssensial oil.
New fashion people already use hyaluronic acid, I mean, more deeper skin care.
Beauty salon or hospital use vital injector to inject hyaluronic acid and other beauty dose into skin layer deepest can reach 5mm.
The hyaluronic acid and other mosituring products will be "lock" there and keep facial full of water.
Equal to 2000-5000 mask.


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