Silicone

Potassium Dimethicone PEG-7 Panthenyl Phosphate

INCI: POTASSIUM DIMETHICONE PEG-7 PANTHENYL PHOSPHATE

Reviewed by Kate · Last updated 14 Aug 2026

Also known as: Potassium Dimethicone Peg-7 Panthenyl Phosphate

A silicone-based conditioning agent that smooths and protects skin and hair

Best For Skin Types

All, Dry, Combination, Mature

Addresses

Dryness, Hydration, Barrier repair

Usage Frequency

Daily

What Is Potassium Dimethicone PEG-7 Panthenyl Phosphate?

Potassium Dimethicone PEG-7 Panthenyl Phosphate is a hybrid ingredient combining silicone technology with panthenol (provitamin B5). It's a water-soluble silicone derivative designed to condition and protect both skin and hair surfaces.

This ingredient works by forming a lightweight, occlusive layer that helps seal moisture into the skin whilst also providing a smooth, refined texture. It's commonly used in serums, moisturisers, and hair products.

How It Works

This ingredient deposits onto the skin as a thin, occlusive film. The silicone component provides slip and smoothness, whilst the panthenol portion may offer minor conditioning and soothing properties. Together, they create a protective barrier that minimises water evaporation from the skin surface.

Because it's water-soluble (unlike traditional dimethicone), it rinses more easily and tends to feel less heavy, making it suitable for a broader range of formulations.

Clinical Evidence & References

Direct clinical studies on this specific ingredient are limited. However, both silicones and panthenol have a long history of safe use in skincare with established conditioning properties. Silicones are known to improve skin smoothness and barrier function; panthenol is recognised for its humectant and soothing qualities.

The combination is pragmatic but not extensively researched in isolation. It appears to perform its conditioning role reliably in formulations, though individual results will vary depending on concentration and complementary ingredients.

How to Use

This ingredient is typically left in formulations rather than rinsed off (unless the product instructions state otherwise). It works well alongside hydrating serums and moisturisers. If you find silicones comedogenic or prefer silicone-free skincare, avoid products listing this ingredient. For best results, apply to damp skin to help lock in moisture.

Safety & Precautions

Generally well-tolerated by most skin types. Some individuals find silicones pore-clogging; if you're sensitive to silicones or acne-prone, patch test first or opt for silicone-free alternatives.

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