Contact Dermatitis More Condition_symptoms Contact Dermatitis?

Contact dermatitis? - contact dermatitis more condition_symptoms

What is it and how can I treat it? I have in my hands, place the cream, Oilatum days I and my sister said it was contact dermatitis, not wanting to seem stupid, I have no doubt correct and agree with her! she said its coz I'm young and I have sensitive skin. at 21yrs old. any info would be great. thanx