Isoceteth-25
What Isoceteth-25 is & what it does
Isoceteth-25 is an ethoxylated fatty alcohol (a PEG-type derivative of isocetyl alcohol) with the "25" indicating its degree of ethoxylation. In formulas it works as a surfactant, emulsifier, and solubilizer, helping blend oils into water and keep emulsions stable while contributing a smooth feel. It is widely used in lotions, cleansers, and other emulsified products. It is generally considered well tolerated.
What is Isoceteth-25?
Isoceteth-25 is an ethoxylated fatty alcohol, a PEG-type derivative of isocetyl alcohol, where the 25 indicates its degree of ethoxylation. It is used as a processing aid in emulsions.
What does Isoceteth-25 do in a formula?
It works as a surfactant, emulsifier, and solubilizer, helping blend oils into water and keep emulsions stable while contributing a smooth feel. It is common in lotions and cleansers.
Is Isoceteth-25 safe?
It is widely used and generally considered well tolerated in cosmetics, with no specific concerns flagged here.
Sunscreens with Isoceteth-25
We rate 3 sunscreens that contain it:
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Purera Summer Better Sun Essence SPF 50+ Pa++++
86/100
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Etude House Sunprise Mild Watery Light Spf 50+/Pa+++
73/100
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Seacret Soft Feel Sun Cream SPF 50 Pa+++
67/100