What it is
In the register’s words: “Decyl Glucoside is the product obtained from the condensation of decyl alcohol with glucose.”
- EU register name (INCI)
- DECYL GLUCOSIDE
- CAS number
- 54549-25-6; 58846-77-8; 141464-42-8; 68515-73-1
- EC number
- 259-218-1
What the register lists it for
These are the uses the European Commission’s CosIng register lists for Decyl Glucoside 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.
- Cleansing
-
The register’s general role for ingredients that help clean, from washing ingredients to some plant extracts.
Register definition: “Helping to keep the body surface clean.”
- Emulsion stabilizing
-
Keeps a cream’s oil and water from separating on the shelf.
Register definition: “Helping the process of emulsification and improving emulsion stability and shelf-life.”
- Cleansing surfactant
-
The washing ingredients: they let water lift oil, product and dirt off hair and scalp. Shampoos list them near the top; some conditioners hold a little.
Register definition: “Wetting body surfaces, emulsifying or solubilizing oils, and suspending soil (generally, such ingredients contribute to the foaming and lathering properties of cleansing products).”
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 11 labels First five names: 6 of 11 Shampoos without it
- Clarifying shampoos 4 labels First five names: 1 of 4 Clarifying shampoos without it
- Stylers 2 labels First five names: 2 of 2 Stylers without it
Every label, product by product (17)
- Ouidad Curl Quencher Moisturizing Shampoo Shampoo 2nd of 37 names
- SheaMoisture Jamaican Black Castor Oil Strengthen & Restore Shampoo Shampoo 2nd of 27 names
- SheaMoisture Coconut & Hibiscus Curl & Shine Hair Shampoo Shampoo 2nd of 25 names
- OLAPLEX Nº.4CURL Bond Shaper Hydrating Curl Shampoo Shampoo 6th of 62 names
- OLAPLEX No.4 Bond Maintenance Strengthening Shampoo Shampoo 10th of 78 names
- Jessicurl Hair Cleansing Cream Shampoo 2nd of 15 names
- Bouclème Curl Cleanser Shampoo 5th of 35 names
- Camille Rose Curl Love Shampoo Shampoo 5th of 16 names
- Giovanni Curl Habit Curl Defining Shampoo Shampoo 13th of 31 names
- Bouclème Fragrance Free Curl Cleanser Shampoo 8th of 18 names
- tgin Moisture Rich Sulfate Free Shampoo Shampoo 15th of 24 names
- Bounce Curl Gentle Clarifying Shampoo Clarifying shampoo 3rd of 31 names
- OLAPLEX No.4C Bond Maintenance Clarifying Shampoo Clarifying shampoo 11th of 55 names
- Camille Rose Clean Rinse Clarifying Shampoo Clarifying shampoo 24th of 34 names
- PATTERN Cleansing Shampoo Clarifying shampoo 25th of 34 names
- Bouclème Super Volumising Foam Styler 2nd of 36 names
- Maui Moisture Flexible Hold + Coconut Milk Curl Foam Mousse Styler 3rd of 16 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 cleansing ingredients on these labels
- Sodium C14-16 Olefin Sulfonate 19 labels
- Salvia Officinalis (Sage) Leaf Extract 12 labels
- Coco-Glucoside 6 labels
- Ceteareth-20 5 labels
- Disodium Laureth Sulfosuccinate 5 labels
- Lauryl Glucoside 5 labels
- Stearic Acid 5 labels
- Sodium Lauroyl Methyl Isethionate 4 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.