Add punctuation: If you have dry skin this type of foundation is not for you unless it also moisturizes the skin at the same time
A: If you have dry skin, this type of foundation is not for you unless it also moisturizes the skin at the same time.

Add punctuation: sdiagnhostexe device cant workNo sound Actually in most cases device problem is because of sys files
A: sdiagnhost.exe device can't work/No sound: Actually, in most cases device problem is because of .sys files.

Add punctuation: Each experience is unique for one person
A:
Each experience is unique (for one person).