PerfuMate › IFRA limits › Costus root oil
Is Costus root oil banned in perfume?
IFRA standard: Costus root oil, absolute and concrete · Category 4, 51st Amendment
Prohibited
IFRA prohibits Costus root oil in fine fragrance (Category 4, 51st Amendment): it may not be added to a perfume at any level.
Costus Root Essential Oil is also banned in EU cosmetics (Regulation 1223/2009, Annex II, entry 1133).
Which materials contain Costus root oil?
Sold as Costus root oil itself; these may not be used:
A worked example
A 100 g concentrate, bottled as an eau de parfum at 18%:
| Material | Weighed |
|---|---|
| Costus Root Essential Oil | 1 g |
| Ethylene Brassylate no IFRA limit | 99 g |
Even 1 g in 100 g is too much: the calculator marks Costus root oil Prohibited, and no strength makes this formula pass.
Or paste these lines into the calculator:
Costus Root Essential Oil 1 g Ethylene Brassylate 99 g
Questions
Is Costus root oil banned in perfume?
Yes. IFRA prohibits it in Category 4 at any level.
Does this limit apply to candles or soap?
No. This is Category 4, fine fragrance on skin. Other products sit in other IFRA categories with other limits, which these pages and the calculator do not cover.