Best skin specialist in Pune Aashay, The Skin, hair and laser clinic Lip pigmentation can be a common concern, and it can occur due to various reasons, including sun exposure, smoking, genetics, hormonal changes, and certain medications. Tips for care include: *Use of lip balms or lipsticks with SPF (Sun Protection Factor) to protect the lips from harmful UV rays. * Avoid smoking * Use medications as guided by dermatologist