Method and apparatus for determining a skin fat content

In various embodiments, a method of detecting a skin condition is provided. The method may comprise: determining a skin fat content, comprising: for at least one area of ​​skin of a user, contacting the skin region by means of a test surface, the test surface is designed such that its light transmittance varies depending on a skin fat content, receiving an amount of light by means of a , passes the digital camera, wherein the received light is emitted from a light source through the test area and reaches the camera, the digital camera is part of a portable device, comparing the amount of received light with a reference light quantity for an uncontacted test area, and determining the subcutaneous fat content below using the comparison, and determining the skin condition based on the determined skin fat content.