Pistacia lentiscus (Mastic) gum

Pistacia lentiscus (Mastic) gum 1
photograph
Pistacia lentiscus (Mastic) gum 2
photograph
Pistacia lentiscus (Mastic) gum 3
specimen · Royal Botanic Gardens, Kew · CC BY 4.0
Pistacia lentiscus (Mastic) gum 4
specimen · Royal Botanic Gardens, Kew · CC BY 4.0
AKA: Mastic Gum
Plant-Derived Synthetic
Occlusive
Mediterranean
Clean
OriginNative to Mediterranean. Derived from resin collected from Pistacia lentiscus trees native to the Mediterranean region. Obtained through tapping and air-drying the natural resin exudate from tree bark.
Pistacia Lentiscus (Mastic) Gum is a cosmetic ingredient used as film forming, masking. Rated low hazard by EWG.
CAS #
61789-92-2
Skin Types
●all-skin-types, gentle
Best For
Soothing
Pregnancy & Breastfeeding Safe
Yes
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Masking
Antioxidant
Anti-Inflammatory
Antimicrobial
Creates protective layer
Provides scent
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe
Pregnancy
Yes
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: Kew POWO · CosIng · EWG · CIR