Ceteareth-22

Ceteareth-22 is a synthetic emulsifier derived from cetearyl alcohol (a mixture of cetyl and stearyl alcohols) combined with polyethylene glycol. It belongs to the polysorbate family and is commonly used in skincare formulations to blend water and oil-based ingredients that would otherwise separate.As an emulsifier, it helps create stable, uniform textures in creams, lotions, and serums. It also functions as a surfactant and viscosity controller, meaning it can help adjust the thickness and spreadability of a product whilst maintaining its consistency over time.

Ceteareth-22 has a molecular structure with both water-loving (hydrophilic) and oil-loving (lipophilic) regions. These dual properties allow it to sit at the boundary between water and oil, effectively bridging the two and preventing them from separating. This stabilising action is crucial for maintaining the integrity of a product from manufacture through to the end of its shelf life.The ingredient also influences how a product feels on the skin by modifying its viscosity and flow properties, which affects how easily it spreads and absorbs.

Ceteareth-22 is a behind-the-scenes ingredient; you do not need to adjust your usage based on its presence. Use your product as directed by the brand. It is typically present in small concentrations within the overall formulation.

Ceteareth-22 is generally well-tolerated and has a long safety history in cosmetic use. Some individuals report sensitivity to polysorbate-derived ingredients, though this is relatively uncommon; discontinue use if you experience irritation.