How to Use | Vitamin Source C20

After cleansing and toning and before moisturizer, Aapply red serum over entire face.
As it blends into skin, you may experience a feeling of warmth as the formula activates. 
When you try in the morning, you should cover with sunscreen,
Use it with Vitamin E cream, it make snergy effect to your skin.
You can mix it with vitamin b5 source adjusting .