What it is
In the register’s words: “Poly(oxy-1,2-ethanediyl)], .alpha.,.alpha.',.alpha.''-1,2,3-propanetriyltris[.omega.-hydroxy-.”
- EU register name (INCI)
- GLYCERETH-26
- CAS number
- 31694-55-0
- EC number
- -
What the register lists it for
These are the uses the European Commission’s CosIng register lists for Glycereth-26 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.
- Humectant
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Holds water in the product and on the surface it touches. Glycerin, honey and aloe are common humectants on curly-hair labels.
Register definition: “Retaining and/or preserving the moisture in a product during use.”
- Viscosity controlling
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Makes a product thicker or thinner, so a gel holds its shape or a shampoo pours. Gums, cellulose and some salts carry this role.
Register definition: “Increasing or decreasing the viscosity (thickness) of cosmetics.”
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.
- Shampoos 1 label First five names: 0 of 1 Shampoos without it
- Stylers 1 label First five names: 1 of 1 Stylers without it
Every label, product by product (2)
- OLAPLEX No.4 Bond Maintenance Strengthening Shampoo Shampoo 9th of 78 names
- Rizos Curls Light Hold Gel Styler 5th of 29 names
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
Other humectant ingredients on these labels
- Propylene Glycol 22 labels
- Honey 19 labels
- Butylene Glycol 14 labels
- Sorbitol 11 labels
- Sodium Hyaluronate 8 labels
- PCA 5 labels
- Phytantriol 5 labels
- Xylitol 5 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.