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Pistacia lentiscus (Mastic) gum
AKA “Mastic”
Ingredient Facts
Pistacia lentiscus (Mastic) gum
Botanical-Derived Synthetic · Film-Former · EWG: 1
Plant-Derived Synthetic
Fragrance
Mediterranean
Clean
A natural resin from Mediterranean mastic trees that helps create a protective layer on skin while adding a subtle, natural fragrance to the formula.
CAS #
61789-92-2
See origin →
Functions
Film-Former
Fragrance
Added for scent. Can be natural or synthetic. Common irritant and allergen — one of the top reasons people react to products.
Film Forming
Antioxidant
Protects skin from free radical damage caused by UV, pollution, and stress
Anti-Inflammatory
Antimicrobial
Creates protective layer
Traditional Use
Used for over 2,000 years in Mediterranean and Middle Eastern medicine and skincare. The resin was valued in ancient Greek and Roman times for its astringent and antimicrobial properties, and was traditionally used in dental and skin preparations.
Skin Types
●all-skin-types, gentle
Best For
Soothing
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
ewg-1
pregnancy-nursing-safe
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Feb 2026
Data: Kew POWO · CosIng · EWG · CIR