Ingredient on hair labels

Petrolatum

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

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Petrolatum is on 2 of the 177 hair-product labels we compare, from 2 makers. Its uses in the EU ingredient register are antistatic and emollient. One of these labels names it among the first five ingredients.

What it is

In the register’s words: “Petrolatum. A complex combination of hydrocarbons obtained as a semi-solid from dewaxing paraffinic residual oil. It consists predominantly of saturated crystalline and liquid hydrocarbons having carbon numbers predominantly greater than C25.”

EU register name (INCI)
PETROLATUM
CAS number
8009-03-8
EC number
232-373-2

What the register lists it for

These are the uses the European Commission’s CosIng register lists for Petrolatum 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.

Antistatic

Cuts the static that makes dry hair fly away. Many conditioning ingredients carry this role too, because both work at the hair’s surface.

Register definition: “Preventing and/or reducing static electricity by neutralising electrical charge on surfaces.”

Emollient

Oils, butters and similar ingredients that make a surface feel soft and smooth. On hair they coat the strand; many plant oils carry this role.

Register definition: “Acting as lubricants on the skin surface providing the skin with a soft and smooth appearance.”

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.

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Other antistatic 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.