Polyglyceryl-3 Disiloxane Dimethicone

What is Polyglyceryl-3 Disiloxane Dimethicone?

Polyglyceryl-3 Disiloxane Dimethicone is a specialized silicone polymer combining a polyglyceryl-3 hydrophilic chain with a dimethicone disiloxane backbone, creating a water-dispersible, dual-phase active. This chemical structure bridges oil and water, making it ideal for modern rinse-off and leave-on cosmetics like shampoos, conditioners, lotions, and serums. In formulations, it functions by reducing surface tension for better spreading, forming protective films for conditioning without residue, stabilizing emulsions against separation, solubilizing fragrances and oils into clear systems, and fine-tuning viscosity for optimal texture and application. Its amphiphilic nature supports silicone-in-water emulsions, enabling lightweight, non-greasy products that enhance sensory appeal.

Comedogenic Rating 0/5 Low risk of clogging pores
EWG Safety Rating 1 View on EWG →

Roles in Formulation

This ingredient serves the following purposes in cosmetic formulations:

Hair conditioning
Improves softness, shine, and manageability by reducing friction and static; commonly achieved with cationic agents, silicones, oils, or conditioning polymers.
Skin conditioning agent
Maintains skin softness, smoothness, and flexibility.
Surfactant
Lowers surface tension to enable cleansing, emulsifying, and foaming; central to shampoos, body washes, and many emulsions and micellar systems.
Emulsifying agent
Enables stable mixing of oil and water phases by forming an interfacial film, helping create lotions, creams, and cleansers with consistent texture.
Solubilizing agent
Helps incorporate oils and fragrance into water-based formulas by forming micro-solutions, enabling clear sprays, toners, and micellar products.
Viscosity controlling agent
Adjusts thickness to the desired level for stability and usability, improving dispensing, suspension, and texture across many formulation types.

Benefits

Provides smooth, manageable hair by minimizing friction and static.

Delivers lightweight skin softening and flexibility without heaviness.

Enhances formula stability, spreadability, and clarity in emulsions and cleansers.

Who It's For

A quick guide for who this ingredient may suit (and who should be cautious).

Who May Benefit Who Should Avoid
Individuals with dry or frizzy hair seeking conditioning without buildup.
Those with rare silicone sensitivities or allergies.
People with normal to oily skin wanting non-comedogenic hydration.
People preferring completely silicone-free products.
Users of clear shampoos or toners needing better ingredient dispersion.
Individuals experiencing contact dermatitis from similar conditioning agents.

Safety Notes

  • Considered safe for cosmetic use with low hazard potential.
  • Non-comedogenic, unlikely to clog pores in typical concentrations.

Frequently Asked Questions about Polyglyceryl-3 Disiloxane Dimethicone

Is Polyglyceryl-3 Disiloxane Dimethicone comedogenic?

No, it has a comedogenic rating of 0, suitable for acne-prone skin.

What products commonly contain it?

Found in shampoos, conditioners, lotions, and cleansers for conditioning and emulsification.

Does it cause irritation?

Evidence indicates low irritation potential for most users.