1, yogurt can't be made into double-skin milk, because yogurt is not suitable for heating, and heating will destroy its nutritional value.
2, but also affect the taste of double-skin milk, so yogurt can not be made into double-skin milk.
3. It is better to choose pure milk for making double-skin milk, so that the taste produced is purer and easier to succeed.
Generally speaking, double skin milk can't be made of yogurt.