I am having a reaction to, I think, Gain fireworks in-wash scent booster. I have a rash on my arms, legs and body, also my scalp, with severe itching. I ve used cortisone cream which helps minimally and antihistamine which helps better. I ve just discovered that other people have been suffering from the same thing. How can I treat this problem? I will definitely stop using that product, but will this rash/ whelps go away? I ve even seen a dermatologist who actually performed 2 biopsies. Results were allergic reaction. My husband has a rash on his penis with minor bleeding. He is using neosporin. Is that okay? Have you had similar complaints? What do you recommend? Never experienced this miserable itching before. HELP!!!!