The price tells you what a product costs. The ingredient list tells you what is in it.
A drugstore moisturizer and a luxury cream can share most of their ingredients, or almost none. You cannot tell from the price, the jar or the advertising. You can tell from the ingredient list, because US and EU law control how that list is written. This guide shows how to compare two products step by step. For the label rules themselves, read How to Read a Cosmetics Ingredient Label.
US rules (21 CFR 701.3) and EU rules (Regulation (EC) No 1223/2009, Article 19) list ingredients from the largest amount to the smallest. Below 1%, the order can be free. So the first few ingredients make up most of the product. If two creams both start with water, glycerin and similar oils and waxes, their base is similar, whatever the price.
Marketing names change from brand to brand. INCI names do not. Look for these names on both labels:
The list shows order, not strength. Two products with the same active can contain very different amounts. Some brands print the percentage on the front of the pack; when only one brand does, you cannot compare strength from the label.
In the US, sunscreen is an over-the-counter drug, not only a cosmetic. Its Drug Facts panel (21 CFR 201.66) names each active ingredient with its percentage, so you can compare two sunscreens directly. Under the FDA sunscreen labeling rule (21 CFR 201.327), only a product labeled "Broad Spectrum" with SPF 15 or higher may claim that it reduces the risk of skin cancer and early skin aging when used with other sun protection measures. A higher price does not change those test-based labels.
Many luxury products add more scent. On the label, the blend appears as "Parfum" or "Fragrance". In the EU, listed allergens such as Linalool or Limonene must also appear by name above set limits. Regulation (EU) 2023/1545 raised that list to 81 entries. If your skin reacts to fragrance, a cheaper product without "Parfum" may suit you better than an expensive one with it. You can paste any list into the EU fragrance allergen checker.
FDA has not defined "natural" for cosmetic labels, and "clean" has no legal definition in the US. Words such as "luxury", "clinical" or "miracle" also tell you nothing about the formula. The ingredient list is the part of the package that the law controls most closely, so base your comparison on it.
The label cannot prove that. Compare the ingredient lists: if the first five ingredients and the actives are the same type, most of the price difference pays for other things, such as packaging, scent and brand.
Not for most cosmetics, because US and EU ingredient lists give order, not percentages. Sunscreens sold in the US are different: the Drug Facts panel lists each active ingredient with its percentage.
No. FDA has not defined "natural" for cosmetic labels, and "clean" has no legal definition. Read the ingredient list instead.
How to read INCI names, US and EU label rules, and the free EU fragrance allergen checker.
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