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C18-21 Alkane and Cetearyl Alcohol are both softens and smooths ingredients. C18-21 Alkane is found in 2 products while Cetearyl Alcohol appears in 766, making Cetearyl Alcohol the more widely used option.
Softens and smooths
Fatty alcohol blend — emollient and emulsifier
Mung Bean Pore Tight-Up Soothing Cream
C18-21 Alkane is categorised as "Softens and smooths" while Cetearyl Alcohol 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.
C18-21 Alkane is found in 2 products, while Cetearyl Alcohol is found in 766 products in our database.
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© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.