THUJA OCCIDENTALIS LEAF OIL is graded C (Moderate) by Expert·ING, based on COSING regulatory data. It is restricted under EU COSING — AnnexIII-ALLERGEN-.
THUJA OCCIDENTALIS LEAF OIL
Thuja Oil or Arborvitae Oil
Safety grade: C
Thuja oil is an essential oil extracted from the leaves of the arborvitae tree (also called white cedar). It has a fresh, woody, slightly medicinal scent and has been traditionally used in natural health practices.
This ingredient is used in cosmetics to add a natural fragrance, mask less pleasant odors, and provide a refreshing or invigorating effect to the product.
Graded using: COSING.
- EU COSING — Restricted
Last verified: May 26, 2026
Safer alternatives to THUJA OCCIDENTALIS LEAF OIL
- LAVANDULA ANGUSTIFOLIA OIL — Grade A. Essential oil with masking and tonic properties; direct aromatic substitute.
- SALVIA OFFICINALIS OIL — Grade A. Sage oil provides masking and tonic functions; comparable herbal fragrance profile.
- LITSEA CUBEBA FRUIT OIL — Grade A. Litsea oil delivers masking, perfuming, and tonic effects; natural aromatic alternative.
- CYMBOPOGON MARTINI OIL — Grade A. Palmarosa oil offers masking and tonic properties with invigorating herbal character.
Other EU Fragrance Allergen ingredients
- LIMONENE — Grade C
- LINALOOL — Grade C**
- BENZYL ALCOHOL — Grade C**
- CITRONELLOL — Grade C
- HEXYL CINNAMAL — Grade C
- GERANIOL — Grade C
Other Tonic ingredients
- EUGENOL — Grade C
- CAMELLIA SINENSIS LEAF EXTRACT — Grade A
- MENTHA PIPERITA OIL — Grade C
- CENTELLA ASIATICA EXTRACT — Grade A
- PANAX GINSENG ROOT EXTRACT — Grade A
- EUCALYPTOL — Grade A
- SALVIA OFFICINALIS LEAF EXTRACT — Grade A