bad hair line zits

I get a lot of really big, dark red, ugly pimples along my hair line. they sometimes go a little beyond too, so that they are really noticable. I don't know what to do. it must be my shampoo or something, so i should change, but i want to use cruelty free products as much as possible. does anyone have any ideas?

how long does medicine take to leave the system?

I had acne when i was in high school and early college, so i took minocyclin and had some topical crap too, although i can't remember what they were called. a couple months ago, i took my last minocyclin and never got any more cause i can't afford to go to the doctor, and i don't like the harsh side effects that come with taking a lot of medicines like that. i also stopped the topical stuff maybe a couple weeks later. my skin stayed clear (though oily, but its always repulsivlely greasy).

then, I went to my parent's house for a wedding and my face EXPLODED in zits. it happend just a few days after i went home. maybe it was the food, cause i was eating less healthy than when i eat at home. but i came home two weeks later, and then two weeks after that, (four weeks after it has broken out), my forehead is covered in cyctic acne, my chin has a weird patch of acne on the side, and pimples, and now my nose is happily jumping on the bandwagon with an addition of two new pimples since yesterday. I look like roadkill face. it happened so fast, i don't think anything i am doing is slowing it down.

I am really upset, cause i wanted to refrain from using products tested on animals, but i caved and bought some Top Care BP for it. I just wonder if the minocyclin just took a while to leave my system, and that I am now plagued with acne for my whole life, or maybe something else? it is happening so fast, that I have on average, 3 or 4 new pimples a day, and none are disapearing.