Other Name: Decamethyl-cyclopentasiloxane (D5)

What it is: Cyclopentasiloxane is a type of silicone regularly used in cosmetic products, acts as an emollient and gives cosmetic products a very fine silky texture.

Mode of usage pertaining to the discussion below: Topical application in cosmetics and personal care products.

Safety Profile (Based on regional guidelines):

Safety in special situations:

Not listed as an ingredient to be avoided based on currently available data. Safe in products to be used by pregnant women, only upon confirmation of lack of D4 impurity

Not listed as an ingredient to be avoided by nursing mothers based on currently available data

Not listed as an ingredient to be avoided in baby products based on currently available data

Not listed as an ingredient to be avoided by children based on currently available data

Not listed as an ingredient to be mutagenic. Carcinogenic potential depends on use levels and the presence of D4 impurities*

Environmental and Ecological Concerns:

Note:

• Cyclopentasiloxane may be ecotoxic because silicones may persist in the environment for prolonged periods of time and are also slowly biodegradable.

Attributes:

Conclusion
Cyclopentasiloxane is safe as per the current practice of use. Cyclopentasiloxane (D5) can have Cyclotetrasiloxane (D4) as an impurity. High purity Cyclopentasiloxane (D5) should be used in cosmetics. Lower doses of Cyclopentasiloxane may not cause any negative effects during pregnancy and in individuals with a history of cancer. If you have doubts about using products containing this ingredient, we recommend that you check with your doctor about the suitability of such products for your specific case.

References

1. https://pubchem.ncbi.nlm.nih.gov
2. https://european-union.europa.eu
3. https://online.personalcarecouncil.org
4. https://ec.europa.eu
5. https://journals.sagepub.com

Disclaimer: The above information is based on ongoing toxicology research at CHOSEN®’s R&D. We will do our best to update the information as and when the latest studies are available. If you have any inputs regarding the above information, please email us at ingredients@chosenstore.in