Did you try something hypoallergenic? Maybe see what happens with the shampoo open not in the shower, it could even be a reaction to something else scented, soap etc in the bathroom that took a few minutes to have an effect.
Did you try something hypoallergenic? Maybe see what happens with the shampoo open not in the shower, it could even be a reaction to something else scented, soap etc in the bathroom that took a few minutes to have an effect.