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Cetearyl Alcohol and Trimethyl Pentaphenyl Trisiloxane are both softens and smooths ingredients. Cetearyl Alcohol is found in 766 products while Trimethyl Pentaphenyl Trisiloxane appears in 4, making Cetearyl Alcohol the more widely used option.
Fatty alcohol blend — emollient and emulsifier
Silicone-based emollient
Cetearyl Alcohol is categorised as "Softens and smooths" while Trimethyl Pentaphenyl Trisiloxane is categorised as "Softens and smooths". They serve different functions in skincare formulations.
In most cases, these ingredients can be used together. However, always patch test and introduce new ingredients gradually.
Cetearyl Alcohol is found in 766 products, while Trimethyl Pentaphenyl Trisiloxane is found in 4 products in our database.
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© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.