CAS5392-40-5
The sharp lemon note — a major constituent of lemongrass, litsea cubeba and lemon myrtle oils, so citrus-heavy naturals hit its ceiling fast.
| IFRA category | Max in finished product |
|---|---|
| 1Lip products | 0.11% |
| 5ABody lotion (leave-on) | 0.15% |
| 5BFace cream (leave-on) | 0.15% |
| 5DBaby products | 0.051% |
| 6Oral & lip exposure | 0.35% |
| 9Rinse-off (soap, shampoo, bath) | 1.2% |
| 10AHousehold, hand contact | 1.2% |
| 10BHousehold spray / aerosol | 4.2% |
| 12No skin contact (candles, air care) | no limit in our transcription |
Which row is yours? SeeWhich IFRA category is my product?
Also one of the EU’s individually declarable fragrance allergens: above 0.001% in a leave-on or 0.01% in a rinse-off product it must be named on the label.
This table shows the nine IFRA categories Alchemis maps maker products to. The full 51st Amendment defines more (fine fragrance, deodorant, hair and others) — the official standards live atifrafragrance.org.
Advisory reference, never a certification. Percentages apply to the finished product. If a supplier certificate for your blend says otherwise, the certificate wins — it accounts for the actual composition.
Alchemis checks these limits against your whole recipe automatically — per constituent, across every ingredient.