Putting on cosmetics in a dream can mean that you are concerned about how you appear to others. You are worried that other people would not like you if they knew the real you. You may need to develop more self-confidence.
Cosmetics can be used to enhance your best features, so putting on cosmetics in a dream can be a sign that you need to work on developing your hidden skills and talent and letting others become aware of them.
If you dream that you put cosmetics on someone you know, there are things about them that you wish you could change. You should think about why you are not happy with them the way they are.
Putting cosmetics on a stranger in a dream can mean that you would like to use your creative skills to improve the world around you.