Device for laser skin treatment along a path of a skin feature to be treated, comprising: a skin treatment laser head having a laser beam target line, and a robotic support of said laser head; further comprising, attached to the laser head or to the robotic support where the laser head is supported: a camera for capturing skin surface images, one or more handles for handling by an operator, a force sensor for sensing the intensity and direction of force applied to the handle or handles by the operator for controlling the robotic support, and an electronic data processor configured to: capture an image of skin surface comprising the skin feature to be treated; identify, from said captured image and proximal to the position where the laser beam target line intersects the skin surface, the path of the skin feature to be treated; apply, through the robotic support, a transversal force, to the laser head along a transversal direction to said path and towards said path; wherein said transversal direction is parallel to the skin surface, wherein a first transversal distance between said path and a position where the laser beam target line intersects the skin surface varies positively with a first force as measured by said force sensor along said transversal direction; and wherein the electronic data processor is further configured to allow freely controllable movement of the robotic support by the operator along the direction of said path, so as to help the operator to follow the path and to maintain, by collaborative motion between the operator and the robotic support, said first transversal distance. a camera for capturing skin surface images, one or more handles for handling by an operator, a force sensor for sensing the intensity and direction of force applied to the handle or handles by the operator for controlling the robotic support, and an electronic data processor configured to: capture an image of skin surface comprising the skin feature to be treated; identify, from said captured image and proximal to the position where the laser beam target line intersects the skin surface, the path of the skin feature to be treated; apply, through the robotic support, a transversal force, to the laser head along a transversal direction to said path and towards said path; capture an image of skin surface comprising the skin feature to be treated; identify, from said captured image and proximal to the position where the laser beam target line intersects the skin surface, the path of the skin feature to be treated; apply, through the robotic support, a transversal force, to the laser head along a transversal direction to said path and towards said path; wherein said transversal direction is parallel to the skin surface, wherein a first transversal distance between said path and a position where the laser beam target line intersects the skin surface varies positively with a first force as measured by said force sensor along said transversal direction; and wherein the electronic data processor is further configured to allow freely controllable movement of the robotic support by the operator along the direction of said path, so as to help the operator to follow the path and to maintain, by collaborative motion between the operator and the robotic support, said first transversal distance. wherein a first transversal distance between said path and a position where the laser beam target line intersects the skin surface varies positively with a first force as measured by said force sensor along said transversal direction; and wherein the electronic data processor is further configured to allow freely controllable movement of the robotic support by the operator along the direction of said path, so as to help the operator to follow the path and to maintain, by collaborative motion between the operator and the robotic support, said first transversal distance.