Red bumps between fingers on my right hand?

They look almost like pimples but they don't itch. They're just there. I got it when I started using a new body wash. The day after I saw some red bumps on my hand but ignored it thinking it was nothing. Now it has only gotten worse it's been almost 2 weeks. My dad says it's fungus but I doubt that.... show more They look almost like pimples but they don't itch. They're just there. I got it when I started using a new body wash. The day after I saw some red bumps on my hand but ignored it thinking it was nothing. Now it has only gotten worse it's been almost 2 weeks. My dad says it's fungus but I doubt that. I think it's an allergy. My sister used to get a similar rash at my age but for no reason. When I think about it gets more red. When I don't think of it it goes away then comes back after a few hours. I'm 15 and have no idea what it is. I don't have it anywhere else on my body.
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