The idea that a food choice will "get rid of" pimples oversells it — skin depends on genetics, hormones, and skincare routine at least as much as diet, and no single food swap works as a treatment on its own. What diet does affect is easier to be specific about: what's actually in your food and what isn't.
What "processed" means on a label
A useful rule that has nothing to do with skin: if it's processed, bagged, jarred, bottled, or boxed, check what's actually in it before deciding it's healthy. Long shelf life usually means preservatives, added sugar, or refined oils doing the work that freshness used to. That's not a skin claim — it's just what the ingredient list says.
What replaces it
Whole foods without a long ingredient list: meat, fish, eggs, nuts, seeds, vegetables, and fruit. Dried fruit like dates sits in an odd spot here — no ingredient list because there's only one ingredient, but still sweet enough to replace something processed. A small handful covers a sugar craving that would otherwise come from a packet.
Reading the "used by" date properly
A short shelf life on a fresh product is normal and not a warning sign. A very long shelf life on something that should be perishable is worth a second look at the ingredient list — that's usually where the preservatives are doing their job.
Whole grains and staples
Bread, cereal, and pasta aren't inherently a problem; the issue is how processed the specific product is before it reaches the shelf. A wholegrain loaf with a short ingredient list and a wholegrain loaf with twenty additives are not the same food even if they look similar. Kurma Malaysia is a whole-food example worth comparing against anything sold as a "healthy" packaged snack — one ingredient versus a label you need to decode.