Add punctuation: Primary seborrhea a skin disorder known as a keratinization disorder a process whereby the dogs body produces a substance known as keratin
A: Primary seborrhea a skin disorder known as a keratinization disorder, a process whereby the dog's body produces a substance known as keratin.

Add punctuation: In the case that your Q1A file doesnt open it is highly likely that you do not have the correct software application installed on your PC to view or edit Q1A file extensions
A: In the case that your Q1A file doesn't open, it is highly likely that you do not have the correct software application installed on your PC to view or edit Q1A file extensions.

Add punctuation: Usage Wet the shampoo bar and your hair Gently rub the bar over your hair in a combing motion
A:
Usage Wet the shampoo bar and your hair. Gently rub the bar over your hair in a combing motion.