Disodium Carboxyethyl Siliconate

What is Disodium Carboxyethyl Siliconate?

Disodium Carboxyethyl Siliconate is a synthetic, anionic silicone derivative featuring carboxyethyl groups attached to a siloxane backbone, rendered highly water-soluble as its disodium salt. Unlike traditional water-insoluble silicones like dimethicone, this ingredient disperses easily in aqueous formulations. It belongs to the category of conditioning agents commonly incorporated into shampoos, conditioners, leave-in hair treatments, and lightweight skin moisturizers. In products, it works by adsorbing onto hair shafts or skin surfaces to create a thin, flexible polymeric film. This film smooths rough textures, reduces surface friction for easier combing or application, and offers a subtle barrier that helps retain hydration while allowing breathability. Its solubility ensures clean rinsing without residue accumulation, making it suitable for frequent use in rinse-off and leave-on cosmetics alike.

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

Benefits

Delivers smooth, manageable feel to hair and skin through film formation

Enhances slip and detangling properties in hair care products

Supports moisture retention with a lightweight, non-greasy layer

Who It's For

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

Who May Benefit Who Should Avoid
People with fine or oily hair seeking conditioning without heaviness
Those with rare silicone sensitivities
Individuals with dry skin needing gentle hydration barriers
People preferring silicone-free formulations
Users preferring water-rinsable conditioning agents
Individuals experiencing contact dermatitis from siloxanes

Safety Notes

  • Considered safe for cosmetic use by regulatory reviews
  • Non-comedogenic and suitable for acne-prone skin

Frequently Asked Questions about Disodium Carboxyethyl Siliconate

What does Disodium Carboxyethyl Siliconate do in products?

It forms a lightweight film to condition and smooth hair or skin surfaces.

Is it safe for sensitive skin?

Generally low irritation potential based on cosmetic safety assessments.

Does it clog pores?

Rated non-comedogenic, suitable for most skin types.