Acne 101

What causes acne?

Acne is not one thing going wrong. It is usually four things interacting inside a pore — and that is why single-product fixes often disappoint.

Make this make sense for you

The four usual contributors

Most acne involves some combination of the same factors. None of them is a personal failing, and none of them is about being unclean.

  • Oil (sebum) production, which is influenced by hormones
  • Skin cells shedding unevenly inside the pore
  • Cutibacterium acnes, a normal skin bacterium, thriving in that environment
  • Inflammation, which turns a clog into a red, tender bump

Why one product rarely solves it

Different ingredients address different parts of that chain. An exfoliant works mostly on the clog. Benzoyl peroxide works mostly on bacteria and inflammation. A retinoid works mostly on prevention.

That does not mean you need all of them. It means it is worth knowing which part of the chain your routine is addressing, and giving it time.

How long things take

A pore takes weeks to go from clogged to visible. That is why most acne routines are evaluated over 8–12 weeks rather than days, and why changing products every week makes it impossible to know what worked.

Key takeaways

  • Acne is a chain of events inside a pore, not a hygiene problem.
  • Pick one or two steps that address your main concern.
  • Judge results over 8–12 weeks, not days.

Consider professional advice if

  • Your breakouts are painful, deep or leaving scars
  • Things are getting worse quickly despite a reasonable routine
  • Your skin is significantly affecting how you feel day to day

Related ingredients

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