What does PEG/PPG-18/18 Dimethicone do in skincare?

It primarily functions as an emulsifier and texture enhancer, helping oils and water mix smoothly while providing a silky, breathable finish on the skin.

Is PEG/PPG-18/18 Dimethicone safe to use?

Yes, safety reviews by cosmetic evaluation panels have concluded that it is safe, gentle, and non-sensitizing in cosmetic products.

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PEG/PPG-18/18 Dimethicone

PEG/PPG-18/18 Dimethicone is a synthetic silicone-based emulsifier and skin-conditioning agent. It helps blend water and silicone phases together into stable, cosmetically elegant formulas like lightweight lotions and primers. It creates a smooth, breathable film on the skin without leaving a heavy or sticky residue.

Silicone emulsifierVegan

BenefitModerate 1.5 / 4

Barrier support i1 / 4

Whether it supports the skin barrier — restoring lipids, reducing water loss, aiding barrier repair, or strengthening the skin’s protective function.

RiskLow 0.8 / 4

Eye irritation i0.5 / 4

Whether it may sting or irritate around the eyes. Relevant for sunscreens, fragrances, acids, surfactants, and volatile ingredients.

Rated by SpottyLabs' ingredient methodology, independent of brands.

What it helps with

Improves formula texture and glide
Forms a lightweight protective barrier
Leaves a silky non-greasy finish

Things to watch

Potential for mild eye irritation

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Products with PEG/PPG-18/18 Dimethicone

Elizabeth Arden

White Tea Pure Indulgence Body Cream

3.2/ 521/10/21

L'Oréal Paris

Revitalift Laser Eye Bag Instant Eraser

3.1/ 56/9/3

L'Oréal Men Expert

Hydra Energetic Anti-Fatigue Moisturiser

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Frequently asked questions

What does PEG/PPG-18/18 Dimethicone do in skincare?: It primarily functions as an emulsifier and texture enhancer, helping oils and water mix smoothly while providing a silky, breathable finish on the skin.
Is PEG/PPG-18/18 Dimethicone safe to use?: Yes, safety reviews by cosmetic evaluation panels have concluded that it is safe, gentle, and non-sensitizing in cosmetic products.