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Ingredient on hair labels

C13-14 Isoalkane

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

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C13-14 Isoalkane is on 2 of the 177 hair-product labels we compare, from 2 makers. Its uses in the EU ingredient register are solvent and skin conditioning. Every one 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: “C13-14 Isoalkane (Formerly C13-14 Isoparaffin) is a mixture of branched chain aliphatic hydrocarbons with 13 or 14 carbons in the alkyl chain.”

EU register name (INCI)
C13-14 ISOALKANE
CAS number
64742-47-8/246538-79-4

What the register lists it for

These are the uses the European Commission’s CosIng register lists for C13-14 Isoalkane 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.

Solvent

Dissolves other ingredients. Water is the most common; some alcohols and glycols carry this role too.

Register definition: “Dissolving other components of cosmetics. Solvents are usually liquids (aqueous and nonaqueous).”

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 C13-14 Isoalkane Check every name on your own label All ingredients on the labels we compare

Other solvent 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.