Hi,
As you have been experiencing acne as bumps on the face and darkening at certain spots indicates it is active acne and you may have been manually trying to remove them with your finger.
Acne has many grades and treatment differs according to the grade of acne present.
Next Steps
Consult online or in person for better treatment options.
Health Tips
Never pick or scratch on pimples as it can lead to permanent marks or scars.