Silicone

Dimethicone PEG-7 Phosphate

INCI: DIMETHICONE PEG-7 PHOSPHATE

Reviewed by Kate · Last updated 14 Aug 2026

Also known as: Dimethicone Peg-7 Phosphate

A silicone-based cleanser and emulsifier that helps remove oil and impurities

Best For Skin Types

All, Oily, Combination

Addresses

Oil control

Usage Frequency

Daily

What Is Dimethicone PEG-7 Phosphate?

Dimethicone PEG-7 Phosphate is a hybrid molecule combining silicone chemistry with polyethylene glycol (PEG) and phosphate groups. This structure allows it to bridge two normally incompatible ingredients: oils and water. It is synthetically derived and functions as both a surfactant—a cleaning agent that lifts away oils and dirt—and an emulsifier that helps bind these components into a stable formula.

In skincare products, it works primarily in cleansing formulations where its ability to dissolve and suspend oily residues makes it useful for makeup removal and general skin cleansing without stripping the skin entirely.

How It Works

Dimethicone PEG-7 Phosphate works through its dual-natured molecular structure. The dimethicone portion (silicone) is lipophilic—it readily dissolves fats and oils. The PEG-phosphate portion is hydrophilic—it is water-soluble. Together, these parts allow the ingredient to surround oily compounds and suspend them in water, making them rinse-away rather than leaving them on the skin.

In cleansing products, this mechanism means oils and makeup are lifted and removed in a single wash. In other formulations, it stabilises the product itself, preventing separation between liquid and oily phases.

Clinical Evidence & References

Direct clinical studies on Dimethicone PEG-7 Phosphate in isolation are limited in the public literature. However, the ingredient's functional class—silicone-based surfactants and emulsifiers—has a long history of safe use in cosmetics and is well-understood mechanistically. Silicones themselves have been extensively studied and are generally considered non-irritating to skin and non-comedogenic.

Because this ingredient is primarily a functional additive rather than an active compound, its primary value lies in formulation stability and cleansing efficacy rather than direct skin health benefits. More research specifically measuring its impact on skin barrier function or sensory preference would be valuable.

How to Use

Use this ingredient as directed in your cleanser or makeup remover. Apply to dry or damp skin, massage gently to emulsify oils, and rinse thoroughly with water. Because it is a cleanser and not a leave-on treatment, ensure products containing it are fully rinsed away. If using a cleansing oil or balm with this ingredient, follow with a water-based cleanser to remove any residue.

Safety & Precautions

Dimethicone PEG-7 Phosphate is generally well-tolerated and widely used in cosmetics without significant safety concerns. It is non-comedogenic and unlikely to trigger irritation in most people, though those with extreme sensitivities to silicones should patch-test first.

Frequently Asked Questions

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