What causes zits...

well it could be folliculitis. “Acne-like bumps on the buttocks are caused by inflammation of hair follicles, which is called folliculitis,” says Dr. MacKelfresh. Folliculitis can be caused by an infection from bacteria, yeast, or fungus, irritation of hair follicles, or blockage of hair follicles, she says. It tends to be on the skin surface. Folliculitis appears to be shallow little bumps, and is more likely to be itchy or irritating than painful
Most of the time, folliculitis eruptions go away on their own. If not, a dermatologist can prescribe a combination of products to clear up your skin. “Often, ‘butt acne’ can be treated with a topical antibiotic cream or an antibacterial wash such as one that contains benzoyl peroxide,

Lay off the junk food and any pop.

Use soaps without harsh chemicals and shower not bath.

Also apply proper skin lotions, consult a dermatologist for that.

If we are seeing your ass we really don't care about a zit or two. We have other things on our mind.

I think it's friction/irritation.

nah, we all get them

Do nothing about it, they will be gone soon enough. It it bothers someone they are not worth seeing your butt.

sitting too much hours may cause more zits or rashes so i suggest you limit your laziness

https://www.everydayhealth.com/acne/buttocks-breakouts.aspx

DO NOT call me if you wanna hookup

you need natural sunlight on your bum

not too much

Bum acne isn't my specialty. 🤦🏽

yes we are.

Basically the same thing that causes them on one’s face: excess oil and clogged pores. Probably on the guy how grossed out.