Curcubiturils
A cosmetic ingredient used as absorbent, chelating, emulsion stabilising in skincare, haircare, and personal-care products sold in the European Union.
What is it?
2,20:3,19-Dimethano-2,3,4a,5a,6a,7a,8a,9a,10a,11a,12a,13a,14a,15a,16a,17a,19,20,21a,22a,23a,24a,25a,26a,27a,28a,29a,30a,31a,32a,33a,34a-dotriacontaazabispentaleno[1''',6''':5'',6'',7'']cycloocta[1'',2'',3'':3'',4'']pentaleno[1'',6'':5',6',7']cycloocta[1',2',3':3',4']pentaleno[1',6':5,6,7]cycloocta[1,2,3-gh:1',2',3'-g'h']cycloocta[1,2,3-cd:5,6,7-c'd']dipentalene-1,4,6,8,10,12,14,16,18,21,23,25,27,29,31,33-hexadecone, hexadecahydro-, stereoisomer,2,18:3,17-Dimethano-2,3,4a,5a,6a,7a,8a,9a,10a,11a,12a,13a,14a,15a,17,18,19a,20a,21a,22a,23a,24a,25a,26a,27a,28a,29a,30a-octacosaazabispentaleno[1''',6''':5'',6'',7'']cycloocta[1'',2'',3'':3'',4'']pentaleno[1'',6'':5',6',7']cycloocta[1',2',3':3',4']pentaleno[1',6':5,6,7]cycloocta[1,2,3-cd:1',2',3'-gh]pentalene-1,4,6,8,10,12,14,16,19,21,23,25,27,29-tetradecone, tetradecahydro-, stereoisomer,1H,4H,12H,15H-2,14:3,13-Dimethano-5H,6H,7H,8H,9H,10H,11H,16H,17H,18H,19H,20H,21H,22H-2,3,4a,5a,6a,7a,8a,9a,10a,11a,13,14,15a,16a,17a,18a,19a,20a,21a,22a-eicosaazabispentaleno[1'',6'':5',6',7']cycloocta[1',2',3':3',4']pentaleno[1',6':5,6,7]cycloocta[1,2,3-cd:1',2',3'-gh]pentalene-1,4,6,8,10,12,15,17,19,21-decone, decahydro-, stereoisomer
What does it do?
Curcubiturils is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Absorbent
takes up water-based or oil-based substances
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Chelating
binds metal ions to prevent them from interfering with formulation stability
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Emulsion stabilising
stabilises emulsions of oil and water, preventing separation over time
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Film forming
forms a thin continuous film on skin, hair, or nails — used in long-wear makeup, sunscreens, and hairsprays
EU regulatory status
Curcubiturils is allowed for use in cosmetic products in the European Union under Regulation 1223/2009. It is not subject to a specific Annex restriction at the time of writing.
Frequently asked questions
What is Curcubiturils?
Curcubiturils is a cosmetic ingredient catalogued in the EU CosIng database. 2,20:3,19-Dimethano-2,3,4a,5a,6a,7a,8a,9a,10a,11a,12a,13a,14a,15a,16a,17a,19,20,21a,22a,23a,24a,25a,26a,27a,28a,29a,30a,31a,32a,33a,34a-dotriacontaazabispentaleno[1''',6''':5'',6'',7'']cycloocta[1'',2'',3'':3'',4'']pentaleno[1'',6'':5',6',7']cycloocta[1',2',3':3',4']pentaleno[1',6':5,6,7]cycloocta[1,2,3-gh:1',2',3'-g'h']cycloocta[1,2,3-cd:5,6,7-c'd']dipentalene-1,4,6,8,10,12,14,16,18,21,23,25,27,29,31,33-hexadecone, hexadecahydro-, stereoisomer,2,18:3,17-Dimethano-2,3,4a,5a,6a,7a,8a,9a,10a,11a,12a,13a,14a,15a,17,18,19a,20a,21a,22a,23a,24a,25a,26a,27a,28a,29a,30a-octacosaazabispentaleno[1''',6''':5'',6'',7'']cycloocta[1'',2'',3'':3'',4'']pentaleno[1'',6'':5',6',7']cycloocta[1',2',3':3',4']pentaleno[1',6':5,6,7]cycloocta[1,2,3-cd:1',2',3'-gh]pentalene-1,4,6,8,10,12,14,16,19,21,23,25,27,29-tetradecone, tetradecahydro-, stereoisomer,1H,4H,12H,15H-2,14:3,13-Dimethano-5H,6H,7H,8H,9H,10H,11H,16H,17H,18H,19H,20H,21H,22H-2,3,4a,5a,6a,7a,8a,9a,10a,11a,13,14,15a,16a,17a,18a,19a,20a,21a,22a-eicosaazabispentaleno[1'',6'':5',6',7']cycloocta[1',2',3':3',4']pentaleno[1',6':5,6,7]cycloocta[1,2,3-cd:1',2',3'-gh]pentalene-1,4,6,8,10,12,15,17,19,21-decone, decahydro-, stereoisomer
Is Curcubiturils allowed in cosmetics in the EU?
Yes. Curcubiturils is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Curcubiturils do in cosmetic products?
Curcubiturils is declared in the EU cosmetic ingredient inventory with these functions: absorbent, chelating, emulsion stabilising, film forming.
What is the CAS number of Curcubiturils?
The CAS (Chemical Abstracts Service) number for Curcubiturils is 80262-44-8, 259886-49-2, 259886-50-5, 259886-51-6.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 29/10/2014