# How to read a skincare ingredient list (INCI)

Source: https://serumandjar.com/blog/how-to-read-a-skincare-ingredient-list
Published: 2026-10-09
Publisher: Serum & Jar

**Short answer:** Ingredient lists use standardized INCI names and run in descending order by amount, so the first few ingredients make up most of the product. Ingredients at 1% or less can be listed in any order after the rest, which means a highlighted ingredient near the end may be present in a small amount. Brand names like PITERA or TFC8 do not appear as such; look for the INCI terms instead.

Luxury skincare boxes are covered in ingredient stories: caviar, platinum, rose extracts, ferment filtrates, proprietary complexes. The ingredient list on the back is where you can see how a product is actually built. This page is for shoppers who want to read that list with confidence. It covers what INCI names are, the descending order rule, the 1% line, how botanical and Latin names work, where fragrance and colorants appear, and how to match a brand's marketing name to what is printed on the label. It does not judge whether any ingredient works; it shows you how to read what is there.

## What INCI means

INCI stands for International Nomenclature of Cosmetic Ingredients. It is a shared naming system so that the same ingredient has the same name on a box in New York, Paris or Tokyo. Water is listed as Water or Aqua, often both: Water/Aqua/Eau. Plant ingredients use Latin botanical names, such as Rosa Damascena Flower Water. Some names are long chemical terms, and some are trade-neutral descriptions, such as Galactomyces Ferment Filtrate.

In the US, the FDA requires cosmetic ingredients to be listed on the outer packaging. Luxury boxes usually print the full list on the side or back panel, and many listings show it in the product images.

## The descending order rule and the 1% line

Ingredients present at more than 1% are listed in descending order of amount. The first ingredient is the largest part of the formula, the second is the next largest, and so on. For most creams and serums, water is first.

Ingredients at 1% or less can be listed in any order after the ones above 1%. There is no marker on the label showing where that line falls. A practical clue: preservatives such as phenoxyethanol are commonly used at low levels, so ingredients listed after them are often present in small amounts. Treat this as a rough guide, not a rule, since formulas vary.

This matters because brands highlight star ingredients on the front. If a highlighted extract appears far down the list, it is likely a small part of the formula. If it is first, like Galactomyces Ferment Filtrate in SK-II Facial Treatment Essence, which SK-II says contains over 90% PITERA, it makes up most of the product.

1. Find the full ingredient list on the box or in the listing images.
2. Read the first five ingredients. These make up most of the product.
3. Find the brand's highlighted ingredients and note their position.
4. Look for common preservatives as a rough marker of where low-level ingredients start.
5. Check the end of the list for fragrance and colorants.

## Brand names vs INCI names

Luxury brands give their signature ingredients and blends trademarked names. Those names appear in marketing, not in the INCI list. To find them on the label, you need the INCI terms the brand uses.

Some brands give the INCI name directly; for others you can only see that a named complex is made up of several listed ingredients. Augustinus Bader, for example, describes TFC8 as a proprietary blend of natural amino acids, high-grade vitamins and peptides; the individual ingredients appear on the label under their own INCI names. Our [what is TFC8](https://serumandjar.com/blog/what-is-tfc8-augustinus-bader) and [what is Pitera](https://serumandjar.com/blog/what-is-pitera-sk-ii) pages give more detail.

| Brand name | Brand | What to look for in the INCI list |
| --- | --- | --- |
| PITERA | SK-II | Galactomyces Ferment Filtrate |
| Pro-Xylane | Lancome | Hydroxypropyl Tetrahydropyrantriol |
| TFC8 | Augustinus Bader | A blend; individual amino acids, vitamins and peptides listed separately |
| Caviar extracts | La Prairie | Caviar extract (check the box for the exact INCI term) |
| Niacinamide | La Prairie White Caviar and others | Niacinamide |

Marketing names and what to look for on the label

## Fragrance, colorants and allergens

Fragrance is often listed as a single term: Fragrance or Parfum. In the EU, certain fragrance components must be named individually above set levels, so you may see names like Linalool, Limonene or Citronellol near the end of the list. These show up on many luxury products sold worldwide.

Colorants are usually at the very end and are often written as CI numbers, such as CI 77891. Some lists include a may contain section, shown as +/-, for colorants that vary between batches.

If a listing says fragrance-free, the ingredient list is where you confirm it. Augustinus Bader's Rich Renewal Trio listing, for example, says the set is free of fragrance, parabens, silicones and several other ingredient groups; you can check that against each box.

Note: If you know you react to a specific ingredient, read the full list on the box every time, including on refills and sets, since formulas can change. Patch test new products first.

## Reading a luxury label in practice

Reading labels is also a good way to compare value. Two creams with similar bases and very different prices per ml are worth a second look. Our [luxury face cream guide](https://serumandjar.com/best/best-luxury-face-cream) lists sizes and listed prices, and the [price per ml calculator](https://serumandjar.com/tools/price-per-ml-calculator) does the math.

- Start with the first five ingredients to understand the base: water, glycerin, oils, butters, silicones or esters.
- Look for the brand's highlighted ingredients and note how far down they sit.
- Check for fragrance if you prefer to avoid it.
- Compare two creams by their bases, not just their star ingredients. A cream led by oils and butters will often feel richer than one led by water and glycerin.
- Use the label alongside texture descriptions; our [cream textures explained](https://serumandjar.com/blog/cream-textures-explained) page helps.

[Compare luxury creams by size and price](https://serumandjar.com/best/best-luxury-face-cream)

## Frequently asked questions

**Why is water always first?** Most creams, serums and essences are water-based, so water is the largest single ingredient by amount.

**Does a short ingredient list mean a better product?** Not necessarily. Length tells you how many ingredients there are, not how well a product suits you.

**Why can't I find the brand's star ingredient on the label?** It is probably listed under its INCI name rather than the trademarked name. Search the brand's site for the INCI term.

**Do ingredient lists show percentages?** Usually not. Some brands state the percentage of a highlighted ingredient in their marketing, but the INCI list only shows order.

## Buying guides for this topic

- https://serumandjar.com/best/best-luxury-face-cream
- https://serumandjar.com/best/best-luxury-face-serum
- https://serumandjar.com/best/best-sk-ii-products