Frequently Asked Questions Is the Philips Skincare Assessment Kit suitable for my skin? Philips Skincare Assessment Kit is suitable for all skin types. However, there are some skin conditions on which you should not use the device. Where not to use the Philips Skincare Assessment Kit Please take the following warnings into account: do not use the device if you have a skin conditions that covers most of your face. If some spots are affected, you can still use your device; avoid measuring on wounds, pimples, scars, birthmarks, moles, eczema or acne patches, cold sore, port wine stains, blisters or other spots as this will not give you the correct value.