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Ingredient on hair labels

Lactobacillus/Salix Purpurea Bark Ferment Extract

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

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Lactobacillus/Salix Purpurea Bark Ferment Extract is on 2 of the 177 hair-product labels we compare, all of them clarifying shampoos, from 1 maker. Its uses in the EU ingredient register include anti-seborrheic, anti-sebum and oral care. 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: “Lactobacillus/Salix Purpurea Bark Ferment Extract is the extract of the product obtained by the fermentation of the bark of Salix purpurea by the microorganism, Lactobacillus.”

What the register lists it for

These are the uses the European Commission’s CosIng register lists for Lactobacillus/Salix Purpurea Bark Ferment 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.

Anti-seborrheic

The register’s role for ingredients used against the symptoms of seborrheic dermatitis, including dandruff. On a label it says why a maker may add it, not that a product treats dandruff.

Register definition: “Preventing or relieving the symptoms of seborrhea and/or seborrheic dermatitis, including dandruff.”

Anti-sebum

Helps control how much oil the skin makes.

Register definition: “Helping control sebum production.”

Oral care

A role the ingredient has in toothpaste or mouthwash. On a hair label it is there for another listed use.

Register definition: “Providing cosmetic effects to the oral cavity, e.g. cleansing, deodorising, protecting.”

Skin conditioning

A register role for ingredients that help dry or rough skin feel supple again.

Register definition: “Enhancing the appearance of dry and/or damaged skin by reducing flaking and restoring suppleness.”

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 (2)

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 Lactobacillus/Salix Purpurea Bark Ferment Extract Check every name on your own label All ingredients on the labels we compare

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.