Q. Find out whether there is any grammatical error in below sentence.
The brand propositon now therefore had to be that Keokarpin Antiseptic Cream is more effective / because it penetrates deepdown (beinglight and non-sticky) and works from within / (because of its ayurvedic ingredients) to keep skin blemish, free and helps cope with cuts nicks, burns and nappy rash.
A. The brand propositon now therefore had to be that Keokarpin Antiseptic Cream is more effective
B. because it penetrates deepdown (beinglight and non-sticky) and works from within
C. (because of its ayurvedic ingredients) to keep skin blemish, free and helps cope with cuts nicks, burns and nappy rash