You say I’m a breath of fresh air...
Then why do you spit on me?
Why do you break me down so loudly?
Why do you trap me in the darkest of places?
My skin may be pure white, but is my face not also red?
My cousin may be spicy hot but am I not sweet?
Edit: So, this is my first ever riddle and with all of these great answers, I think the riddle may not have been as specific as I thought it originally was. So, I'll try to add specificity.