Does you always fell skin dry and with oil

Because each person's skin is not the same. so use different nursing methods.
Some people's skin easy fell oil and also easy to have acne on face fell very bad.
We must know the main reason is skin need more water. water is important to skin
Use the vital injector to inject the different kinds of health products to skin.
Then we can use the skin analyzer to check if it is really good for skin. like a good QC.