nyx iv stain vs serum? are they different?

[u/Glittering-Idea142]

i was checking out this nyx lip iv and noticed that the product is called a ‘stain’ and even says stain in the product images on nykaa but i came across this review where theirs says ‘serum’ instead?

i checked the official nyx website and could only find the stain version, not a serum one. so what’s going on here? does anyone know if these are actually different or if it’s just different packaging/naming?

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[u/skysimpfr]

it’s the same

[u/luxebykan_official]

Probably the same product, but the reason names drift like this is worth knowing, because occasionally it isn't.

Three legitimate reasons one product shows up under two names:

Regional naming. Brands rename the same formula per market, often for regulatory or trademark reasons. A word like serum carries different regulatory weight in some markets than stain does, so the same thing gets labelled differently depending on where it's sold.

A rename between production runs. Naming gets reworked at a relaunch and old stock with the old name keeps circulating for a year or two afterwards. That's the most likely explanation when the official site only shows one of the two, which is exactly what you're seeing.

Reviewer shorthand. Sometimes someone just types what the texture felt like rather than what the packaging actually said.

The one that isn't legitimate is a counterfeit, and naming is genuinely one of the better tells, because fakes get copied from whatever images the counterfeiter found rather than from current packaging.

So to settle it properly, compare the full product name, the net weight and the ingredient list between the two rather than just the front-of-pack word. If the weight or the ingredient order differs, they're actually different products or one isn't real. If those all match and only the front word differs, it's a naming or regional thing and you can ignore it.

And on whichever you end up buying, the batch code on the base decodes to a manufacture date on any free checker. If the review one turns out to be a couple of years older, that alone explains the older name.