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Hydrogenated Polydecene
AKA “Polydecene hydrogenated”
Emollient
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Ingredient Facts
Hydrogenated polydecene
AKA: Polydecene hydrogenated
Emollient · Emollient · EWG: 2
Synthetic
Emollient
Fragrance
Solvent
Skin Conditioner
Hair Care
Clean
1-Decene, homopolymer, hydrogenated
CAS #
68037-01-4
Form
Oil
See origin →
Functions
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Perfuming
Added for scent. Can be natural or synthetic. Common irritant and allergen — one of the top reasons people react to products.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Solvent
Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.
Locks In Moisture
Traditional Use
Developed in the mid-20th century as a synthetic silicone alternative. Created to provide lightweight moisturizing and emollient properties while improving texture and spreadability in skincare products.
Skin Types
●all-skin-types, gentle
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
ewg-2
medical-approval
pregnancy-nursing-safe
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR