Advanced skin rejuvenation

Ceteareth-20

Reliable, silky-texture emulsifier for elegant, stable skincare.

• Helps oils & water blend for smooth creams
• Enhances spreadability and light feel
• Supports product consistency over time

US-Made • Cruelty-Free • Dermatologist Tested • 30-Day Returns

INCI

Ceteareth-20

Synonyms

Cetyl/Stearyl alcohol ethoxylate (≈20 EO)

Function

Non-ionic emulsifier, solubilizer, surfactant

Typical %

~0.5–3% (with co-emulsifiers as needed)

When

AM/PM; rinse-off and leave-on formats

SPF note

Always finish morning routine with broad-spectrum sunscreen

Pregnancy/BF

Cosmetic use levels; consult your clinician if unsure

What It Is

Ceteareth-20 is a non-ionic emulsifier made by reacting cetyl/stearyl alcohols with ethylene oxide. In cosmetics it helps oil and water phases form stable, uniform creams and lotions with a smooth glide.

Benefits

• Creates elegant, even textures by stabilizing oil-in-water systems.
• Improves spreadability for a light, non-greasy application.
• Plays well with co-emulsifiers and rheology modifiers for long-term consistency.

How It Works

• Non-ionic surfactant: The ethoxylated chain provides hydrophilic character while the fatty chain anchors in oils—reducing interfacial tension and helping emulsions form and remain stable. Evidence: ScienceDirect, PubMed.
• Formulation synergy: Works with fatty alcohols, polymers (e.g., carbomers), and co-emulsifiers to tune viscosity and feel. Evidence: ScienceDirect.

Comparison Table

Skin Types

Suitable for most skin types as part of a well-balanced formula. Sensitive skin should patch test any new product.

How to Use

1. Cleanse, then apply water-based serums (e.g., Hyaluronic Acid). 2. Follow with an emulsion or moisturizer containing Ceteareth-20 for smooth spread. 3. Seal with sunscreen in the AM; pair with targeted treatments as needed (e.g., Vitamin C).

Safety Callout

Ceteareth-20 is widely used at low cosmetic levels. As with many ethoxylated surfactants, manufacturing includes purification to control residuals; reputable suppliers meet cosmetic quality specifications. Patch test if you’re sensitive to surfactants or emulsifiers. Evidence: PubMed, ScienceDirect.

Products & Internal Links

• Ceramide+ Bioshield Crème — refined, cushiony moisture
• Complex C Serum — daily antioxidant hydration
• Keep It Calm Relief Serum — comfort-first care

Frequently Asked Questions

A non-ionic emulsifier/surfactant that helps blend oil and water to create smooth, stable creams and lotions. Evidence: PubMed, ScienceDirect.

It is widely used at low cosmetic levels; safety depends on finished-product design and quality controls. Evidence: PubMed, Wiley.

Reduces interfacial tension so oil and water form a stable emulsion; also improves spreadability. Evidence: ScienceDirect, PubMed.

Non-ionic emulsifiers are not typically occlusive on their own; overall pore-friendliness depends on the full formula. Evidence: JCAD, ScienceDirect.

Many sensitive-skin products use non-ionic systems; patch test any new product to confirm personal tolerance. Evidence: Wiley, PubMed.

Non-ionic emulsifiers are broadly compatible; stability depends on pH and full system design. Evidence: PMC, ScienceDirect.

It is a synthesized non-ionic surfactant derived from fatty alcohols reacted with ethylene oxide. Evidence: PubMed, ScienceDirect.

Fatty alcohols add structure and cushion, while Ceteareth-20 provides the emulsification for a stable, creamy texture. Evidence: ScienceDirect, PubMed.

Yes—common in cleansers, lotions, and creams within appropriate concentrations and pH ranges. Evidence: JCAD, ScienceDirect.

Apply a small amount to the inner forearm daily for 3–5 days, then use normally if no irritation occurs. Evidence: Wiley, PubMed.

References

Reviewed by LuxeJoie Formulation Team • Last reviewed September 2025