Hydrogenated Pistachio Seed Oil
AKA “Hardened pistachio seed oil
Essential Oil
Ingredient Facts
Hydrogenated pistachio seed oil
AKA: Hardened pistachio seed oil
Essential Oil · Antioxidant · EWG: 4
Plant-Derived Synthetic
Antioxidant
Emollient
Skin Conditioner
Essential Oil
Clean
Pistachio seed oil that's been gently processed to create a lightweight moisturizer. It conditions skin while absorbing smoothly without leaving a greasy feel.
Effective at 30.0%
CAS #
68334-28-1
Form
Oil
See origin →
Functions
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.
Antioxidant
Fights free radicals — the unstable molecules from UV, pollution, and stress that break down collagen and cause premature aging.
Locks in moisture
Traditional Use
Pistachio seed oil has traditional use in Middle Eastern and Persian skincare for antioxidant and anti-inflammatory benefits. Hydrogenation is a modern stabilization technique that extends shelf life while preserving the oil's nourishing properties.
Skin Types
all-skin-types
Best For
Dryness
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
Allergen Warning
⚠️ Tree Nut (Pistachio)
EWG
4
CIR
Insufficient
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
0.0005%
60.0%
0%84%
Effective Range
CIR reported use: 0.3-4 | 0.001-3 | 0.01-15 | 0.0005-60 | 0.06-3
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR