Use selfie lights and polarised filter paper to improve smartphone photos of skin lesions: dermatologists
New guidance also focuses on how to improve photos of darker skin colours.

Attachable ring lights used to take better selfies can also help doctors take better clinical photos of skin lesions, suggests guidance published in JAMA Dermatology.
The guidance from US dermatologists and a photographer says a royal blue background can improve photos of darker skin, while separate studies have suggested white or grey can work too.