Thanks for writing in.
is caused by hormonal
imbalance. Hormonal work up may be necessary.
Blockage of sebaceous glands causes papules and pustules.White substance is secretion of sebaceous glands.
Acne is treatable now.With correct treatment all your pimples ,
and dark spots can be treated.
To start with you have to apply Brevoxyl cream twice daily .
Also you can use anti acne face wash like Brevoxyl face wash.
Avoid any hair oil to hairs.Avoid any other moisturizers or cosmetics.
Use good quality sunscreen like SUNCOTE gel daily while going out.
Discuss the option of Isotretinoin
with your dermatologist
.It will have rapid effect.
Hope this helps.