Not all ingredients in cosmetics required to be disclosed


#1
  1. Not all ingredients in cosmetics required to be disclosed.
  2. Not all ingredients in cosmetics required disclosing.
    Are the above sentences acceptable?

#2

Not all the ingredients in cosmetics are required to be disclosed.

Not all the ingredients in cosmetics require disclosing.


#3
  1. Not all ingredients in cosmetics need to be disclosed.
  2. Not all ingredients in cosmetics need disclosing.
    Are the above sentences acceptable?

#4

Clearly ‘are required to be disclosed/require disclosing’ are fine. At the same time ‘need’ seems a better choice in this context - need to be disclosed/disclosing.