Hi my skin is pimple prone and have open pores 8...

What's the cause of pimples and open pores
Genetic factor
Fatty substances produced by the glands
diet contains fat
Hormonal imbalance.
Psychological factor
Lack of personal hygiene
Humidity
Persistent sweating
Tension
To treat open pores and pimples follow these tips:
Don't scratch the pimples
Wash face with warm water then cold water
Drink large amounts of water
Eat vegetables and fruits they contain antioxidants that protect the skin.
Moisturizing Creams.
steam bath.
Honey mask.
Stay away from foods that contain fatty substances such as fast food and chocolate
Use vit A derivative Isoterntoin , but whith extreme caution due to its bad effect on pregnancy and liver
Use microdermabrasion
Use benzoyl peroxide
Use sulfur soap or antiseptic soap
Do not put makeup or put perfume on the face because this fragrance contains alcohol which increases the secretion of fat cells.
 peeling the skin with peeling creams such as fruit acids that help blackheads peel off, it may be useful.
Or by laser and this process is done by directing specific waves of light on the skin to peel layer after layer through evaporation of damaged cells and remove the effects that resulted from acne