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Ingredient on hair labels

Yeast Extract

TheWashDay editorial · Updated · From the EU ingredient register and the makers’ own labels · How we match names

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Yeast Extract is on 4 of the 177 hair-product labels we compare, from 1 maker. Its uses in the EU ingredient register are skin conditioning and skin protecting. None of these labels names it among its first five ingredients.

See it on each label Products without it

What it is

In the register’s words: “Yeast Extract is the extract of Yeast.”

EU register name (INCI)
YEAST EXTRACT
CAS number
8013-01-2,68876-77-7
EC number
232-387-9 (I),

What the register lists it for

These are the uses the European Commission’s CosIng register lists for Yeast Extract in any cosmetic, hair roles first. They say why a maker might add it, not what it does in one formula, and they aren’t a safety rating.

Skin conditioning

The register’s broad role for ingredients that keep skin in good condition. On a hair label it often sits beside a hair role, or marks a plant oil or extract.

Register definition: “Maintaining the skin in good condition.”

Skin protecting

Helps shield skin from outside factors. On a hair label it usually sits beside a conditioning role.

Register definition: “Helping to avoid harmful effects to the skin from external factors.”

Where it sits on each label

US labels list ingredients from most to least, except that those at 1% or less may follow in any order. A name near the top is a large part of the formula. A label doesn’t mark where the 1% point falls, so further down, the order says little about how much is in it.

Every label, product by product (4)

Each line runs from the first name on a label to the last; a dot is where this ingredient sits. Makers change formulas now and then; if the list on your bottle differs, go by your bottle.

Your next step

Find products without Yeast Extract Check every name on your own label All ingredients on the labels we compare

Other skin conditioning ingredients on these labels

Updated · The name, numbers and uses come from the European Commission’s CosIng entry (CC BY 4.0); we write the uses in US spelling and put the hair ones first. The labels are each maker’s own. The order rule is the FDA’s Cosmetics Labeling Guide. All our sources are on the Sources page.