How to add irritation to the skin?

Question

Adobe Photoshop

Hello! Please tell me how to add body irritation to the skin? Here's an example of how irritated the hand is when shaving. I looked everywhere, but they teach how to clean them, but I need it the other way around. Thank you!

Answer 1

draw. you place dots on the skin with a brush and start experimenting in styles.
googled this https://demiart.ru/forum/index.php?showtopic=53473 it doesn’t fit, but my thought reveals if it’s not clear explained