How long should you persevere with an emollient if it makes your eczema redder after application, and itchier? Is this just something you need to go through?

Hi there Is it normal for emollients to make eczema redder and more itchy when first using? Do I need to persevere? Had a shower, eczema patches on arms went paler, patted dry, put on the emollient - instantly redder. Currently im trying DoubleBase Flare Relief, which I've used for a week. Do I just...