I have many dark sports on my face and l want to...

How to treat dark spots ?
to get rid of the dark spots on your face , you have to stay hydrated by increase the amount of water everyday , and have healthy food in your meals such as fresh vegetables and fruits , avoid sun exposure for too long and use sun-block creams , You can also use pearla cream three times per day and undergo deep cleaning sessions and sleep for enough hours at night 
It's important to treat any medical problems such as anemia by using ferritab prescribed by specialist 
What tests should be done ?
CBC should be done in this case to detect iron deficiency anemia 
What are the causes of dark spots ?
sun exposure 
dry skin 
unhealthy food 
Insomnia 
lack of sleep 
Anemia 
malnutrition 
Advice :
follow the previusly mentioned instructions