It is recommended to apply a bit on face for some.... 0. 0. Good news, you can use it on the face. Vitamin C can be used on the face and massage for 10 minutes or till the skin absorbs it and then wash your face with cold water.. 0. If you want to add some vitamin c into your face cream, then you should buy vitamin c in liquid form. Then you can add this liquid form of vitamin c into your face cream which will get dissolved into the cream and give you the advantages of vitamin c.