Common Name(s): Decyltetradeceth-15,peg-15 decyltetradecyl ether,branched c24 ethoxylate-15
DESCRIPTION
What It Does: Helps oil and water blend in formulas and can solubilize oils into water-based products.
Why It's Used: Hlb ~14 suitable for o/w emulsification of medium-weight oil phases and mild solubilization.
How It Works: 15 eo units give hlb ~14; branched c24 tail; suitable for o/w emulsification and partial oil solubilization.
Typically Found In: O/w emulsions,lightweight lotions,serum bases
TECHNICAL DETAILS
Primary Category: Functional ingredient – emulsifier
Secondary Functions: Solubilizing,surfactant
Application Areas:
Facial Skincare
Body Care
Hair Care
Beard Care
Color Cosmetics (Makeup)
Dietary/Oral Supplements
Typical Concentration Range: 0.5%–5%
SOURCING & ETHICS
Vegan Status: Conditional - supplier confirmation required
Halal Status: Yes
Source Notes: Decyltetradecanol synthetic; eo from petrochemical. [audit 2026-07-29 rev2: status downgraded on audit. determination requires shariah-panel sign-off.]
SKIN COMPATIBILITY
Irritancy Rating: 1/5 – very low
Comedogenicity Rating: 1/5 – low
Sensitivity Concerns: Generally well tolerated.
Safe for Sensitive Skin: Yes
SAFETY & COMPATIBILITY
Safety Profile: Good safety profile. ewg score: 1–2.
Works Well With: Emollients,humectants,other peg emulsifiers
Avoid Combining With: No significant incompatibilities
SCIENTIFIC NOTE
Decyltetradeceth-15 occupies the hlb ~14 position between decyltetradeceth-10 (hlb~12) and decyltetradeceth-20 (hlb~15) in the series; all share branched c24 decyltetradecyl hydrophobe.
Last Verified: 2026-03-27
Primary Sources: Cosing database,inci dictionary,supplier technical data