My baby boy has had craddle cap lately and It seems to only be in the area around his hairline and…

My baby boy has had craddle cap lately and It seems to only be in the area around his hairline and just won't go away. I've only washed his hair about 3times since he's been born due to the fact the weather here is very bipolar, I wouldn't want him to get sick 😷 Yet, even when I wash it , it comes back the next day !!

I've also noticed that the times I've washed it his scalp turns red and looks like it may be irritated. Now around his hairline it's very light! What should I do about this? I know cradle cap is suppose to go away on it's on but until it does is there any products I could use?