If I stop using Retin A cream on my face, will acne scars, dark spots and redness from acne scars come back?

If I stop using Retin A cream on my face, will acne scars, dark spots and redness from acne scars come back? I want to ask the same question with Vitamine E cream this time. Does vitamine E helps to improve the above? If I stop vitamine E will the above reappear? Thanks in advance.

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