All formulas have undergone extensive testing and meet the highest standards of the EU and other relevant jurisdictions.   However, as with nearly all cosmetics, certain people/skin types will inexplicably showcase sensitivities to particular ingredients.We always recommend to try the product on a discrete area for at least 48 hours in order to determine if it is suitable for your skin type.If a product is defective, or you suffer an adverse reaction and break out, we strongly recommend to stop using the product immediately and contact our customer service team by e-mail customercare@thebeautyeditor.comPlease be aware that we cannot accept responsibility and may refer you to the manufacturer, requesting that you deal with them directly.We will however, do our best to resolve any issues you may have as efficiently as we possibly can.