What it is
This ingredient is a polydimethylsiloxane modified with polyethylene glycol (PEG-8) and lauric ester groups, combining a silicone backbone with both water-loving and oil-loving segments. That structure makes it an effective emulsifier, particularly for water-in-silicone and water-in-oil systems common in mineral sunscreens. It also lends a light, smooth after-feel to the formula.
Safety & warnings
Silicone polyether emulsifiers of this class are generally well tolerated in leave-on products and are regarded as low in irritation potential. As with other emulsifiers, very sensitive skin may prefer patch testing.
Origin & sourcing
It is a synthetic organosilicon surfactant produced by attaching PEG and laurate groups to a dimethicone backbone.
Questions everyone asks
What is dimethicone PEG-8 laurate used for?
It is an emulsifier that helps blend oil and water phases, often in mineral sunscreens, and adds a light, smooth feel.
Is it a UV filter?
No. It is a formulating aid; the sun protection comes from the product's UV filters.