When an organism absorbs a chemical substance at a greater rate than by which it is eliminated.
What's New?
Glossary
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Bioaccumulation
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Cyclomethicone
Cosmetic ingredient based on a mixture of siloxanes.
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Decamethylcyclopentasiloxane
The long name for siloxane D5.
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Degradation
The breakdown processes of a chemical substance in the environment.
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Dodecamethylcyclohexasiloxane
The long name for siloxane D6.
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Hydrolysis
Degradation of a substance through reaction with water.
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Intermediate
A chemical substance that occurs temporarily during the manufacturing of a material.
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PBT
Persistent, bioaccumulating and toxic substance.
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Persistence
Resistance to environmental degradation.
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Octamethylcyclotetrasiloxane
The long name for siloxane D4.
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Volatile
Readily evaporates into the air.
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Cyclotetrasiloxane
Long name for D4 when used as an ingredient in some personal care products.
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Cyclopentasiloxane
Long name for D5 when used as an ingredient in some personal care or dry-cleaning products.
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Cyclohexasiloxane
Long name for D6 when used as an ingredient in some personal care products.
Studies & Useful Links
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Environmental Risk Assessment of D5, by the UK Environment Agency
D5 | Download document
- Screening Assessment of D4, by Enironment & Health Canada
- Screening Assessment of D6, by Environment & Health Canada
- Environmental Risk Assessment of D6, by the UK Environment Agency
- Environmental Risk Assessment of D4, by the UK Environment Agency