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Label check

Comparing skincare prices per 100 ml

A lower shelf price does not always mean a lower price for the quantity you receive. Compare the same units and the same kind of product before using package size to judge value.

This check covers US labels. Start with the exact package and variant you have, then use the steps below. Explore more skin & hair checks.

What to look at

  1. Find the net contents on each exact variant.
  2. Divide price by volume and multiply by 100 for a per-100-ml figure.
  3. Compare grams only with grams unless the density is known.
A little practice

Read this label.

A: 100 ml for $12. B: 50 ml for $7.

Illustrative excerpt · not a real product
What it tells you

A costs $12 per 100 ml and B costs $14 per 100 ml. B has the lower purchase price, but A has the lower price per volume in this example.

Why this reading matters

Cosmetic ingredients are generally ordered by predominance, with exceptions for ingredients at one percent or less and color additives. The list is not a table of ingredient concentrations. US Food and Drug Administration.

What the label cannot settle

The calculation does not measure effectiveness, dose per application or personal tolerance. A 50 g jar cannot automatically be treated as a 50 ml bottle.

Put the check to work

Compare the exact words and amounts on your package with the example. If a panel is missing, a photo is unreadable or the manufacturer has not disclosed a detail, keep that detail as unknown. A different flavor, shade or formulation needs its own check.

For the full reading method, use our skin & hair label guide.

A useful next check

Sources read and this label example reviewed on 2026-09-24. Examples are illustrative, not product tests or clinical reviews.

Sources

  1. Cosmetics Labeling Guide US Food and Drug Administration · fda.gov US retail cosmetic ingredient declarations, including exceptions