No, you can't do laser blindly. Laser is effective against nevus, small senile plaque and verruca plana. But yours is acne, which has nothing to do with the laser.

Your skin is exuberant in sebum secretion, blocked by dirt, and improperly cleaned and maintained. If the laser is not used properly, the skin will become more sensitive. Also, your skin is dull, because people's skin begins to age from around 25 years old. If you start caring for your skin at the age of 25, you will begin to show obvious signs of aging around the age of 35. If your skin becomes thinner, fine wrinkles will appear. Relax; Lack of luster; Forming spots and uneven pigments. If there is a lack of maintenance or improper maintenance, these performances will appear before the age of 30.