80Excellent

Sesame Oil Review, Is Sesame Oil Non-Toxic?

PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.

Across 6 graded products, Sesame Oil averages Excellent (80/100). On disclosure, the brand says nothing publicly about PFAS. 6 of its products grade Good or better. Grades are model-based estimates, not lab results.

Worth buying from Sesame Oil Good or better, safest first

Kikkoman Sesame Oil

Sesame Oil

Kikkoman Sesame Oil

Sesame oil, liquid

PFAS Grade80Excellent
Overall Grade66Good

Oxidative degradation and rancidity

Sesame oil, like all plant oils, can oxidize over time, especially if exposed to heat…

70
⚠️

Allergen contamination (sesame)

Sesame is a known allergen. While Kikkoman's sesame oil is labeled as a sesame product…

45

Lower concern; liquid oil product, not a cookware item.

Risky category by default

Chosen Foods Toasted Sesame Oil

Sesame Oil

Chosen Foods Toasted Sesame Oil

sesame oil, no coating or treatment

PFAS Grade80Excellent
Overall Grade68Good
⚠️

Oxidation and rancidity

All oils are prone to oxidative degradation over time, especially when exposed to heat…

70
⚠️

Smoke point / thermal decomposition risk

Toasted sesame oil's relatively low smoke point (350-410 F) means heating it above that…

70
⚠️

Allergen cross-contamination

Sesame is a recognized allergen. While pure sesame oil is unlikely to trigger reactions…

70

Lower concern; pure cooking oil requires no PFAS-associated coatings.

Risky category by default

KADOYA Pure Sesame Oil

Sesame Oil

KADOYA Pure Sesame Oil

Pure sesame oil, liquid edible oil

PFAS Grade80Excellent
Overall Grade72Good

Oxidative rancidity and degradation

Pure sesame oil naturally oxidizes over time, especially if exposed to light or heat…

70

Smoke point and thermal degradation

Sesame oil has a moderate smoke point (350-450 degrees F); heating above this threshold…

70

Lower concern; pure oil product, no PFAS-prone coatings.

Risky category by default

Good & Gather Organic Virgin Sesame Oil

Sesame Oil

Good & Gather Organic Virgin Sesame Oil

Cold-pressed virgin sesame oil

PFAS Grade80Excellent
Overall Grade68Good

Oxidative rancidity and degradation

Cold-pressed oils lack the stabilizing effects of refining and may oxidize more readily…

70
⛏️

Heavy metals

Sesame crops grown in contaminated soils can accumulate cadmium or lead; USDA Organic…

70
⚠️

Allergen cross-contamination

Sesame is a tree nut allergen; no label statement regarding shared processing facilities…

70

Lower concern; oil product, not cookware; no PFAS pathway typical.

Risky category by default

La Tourangelle Toasted Sesame Oil

Sesame Oil

La Tourangelle Toasted Sesame Oil

Sesame oil, liquid cooking oil

PFAS Grade80Excellent
Overall Grade66Good

Oxidative degradation and rancidity

Toasted sesame oil is susceptible to lipid oxidation if stored at room temperature or…

70
⚠️

Allergen presence (sesame)

Sesame is a declared allergen in this product by law; individuals with sesame allergy…

45

Lower concern; liquid oil, not a PFAS-risk category.

Risky category by default

Napa Valley Naturals Organic Sesame Oil

Sesame Oil

Napa Valley Naturals Organic Sesame Oil

Organic sesame oil, liquid

PFAS Grade80Excellent
Overall Grade64Good

Oxidative degradation and rancidity

Sesame oil is prone to oxidation over time, especially if stored in warm or light…

70
🐛

Pesticide residue

Organic certification limits synthetic pesticide use, but non-synthetic residues and…

70
⚠️

Allergen contamination (cross-contact)

Sesame is a major allergen; risk depends on manufacturing facility protocols. Label…

70

Thermal degradation products (if overheated)

If used above its smoke point, sesame oil can degrade into acrolein and other volatile…

70

Lower concern; unprocessed oil requires no chemical coatings.

Risky category by default

Every grade uses the same public rubric. How grades work →