Siloxanes (Cyclic Silicones).
Also known as: cyclotetrasiloxane (D4), cyclopentasiloxane (D5), cyclohexasiloxane (D6), cyclomethicone
A group of cyclic silicone compounds used in cosmetics and skincare for their silky, smooth texture and ability to evaporate quickly.
Global status.
How siloxanes (cyclic silicones) is regulated in cosmetics around the world.
57% of countries with data ban or restrict this ingredient
Details
D4 and D5 banned in wash-off products >0.1% since 2020; D4 restricted in leave-on >0.1% since 2023.
Details
D4/D5 restricted in wash-off at >0.1%, mirroring pre-Brexit EU rules.
Details
D4 banned where >0.1% in wash-off; D5 has environmental restrictions.
Details
D4 restricted in wash-off; D5 under review.
The reason brands include it.
Create a lightweight, silky feel that evaporates without residue. Used as a carrier fluid for active ingredients, a hair conditioning agent, and a skin-smoothing emollient.
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products in our database
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brands use it
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product categories
Siloxanes (Cyclic Silicones) in product types.
Click a category to see every product containing siloxanes (cyclic silicones).
Common alternatives.
What Numbrrrz uses
Numbrrrz does not use siloxanes (cyclic silicones). Every tube is organic coconut oil, organic beeswax, organic jojoba oil and vitamin E, plus organic essential oils or flavoring in the scented versions.