A reliable synthetic emulsifier that helps create stable, creamy textures, but offers no direct skin benefit.
Irritation
low
Source
synthetic
Beauty ingredient research
Browse the review database to understand what an ingredient is, what it does in a beauty formula, when it is useful, and when it deserves caution across skincare, haircare, bodycare, makeup, and more.
20769
Reviewed ingredients
524
Low-concern standouts
2884
Need usage caution
A reliable synthetic emulsifier that helps create stable, creamy textures, but offers no direct skin benefit.
Irritation
low
Source
synthetic
PEG-15 Castor Oil is a gentle emulsifier that helps mix water and oil in cleansers, but its PEG component raises mild environmental and purity concerns.
Irritation
low
Source
semi-synthetic
PEG-15 Cocamine helps mix oil and water and reduces static in hair, but may be mildly irritating for sensitive skin.
Irritation
moderate
Source
semi-synthetic
An effective cleansing agent but may be drying or irritating for sensitive skin, especially in high concentrations.
Irritation
moderate
Source
synthetic
A mild synthetic emulsifier that helps mix oil and water in cleansers and lotions, generally considered safe at low concentrations.
Irritation
low
Source
synthetic
A gentle surfactant that cleanses without stripping, often used to soften the feel of stronger cleansers.
Irritation
low
Source
semi-synthetic
PEG-15 Cocopolyamine is a synthetic surfactant that helps cleanse and reduce static in hair, but it may cause mild irritation for sensitive skin.
Irritation
moderate
Source
synthetic
A synthetic preservative booster that helps prevent microbial growth but may cause irritation for sensitive skin.
Irritation
moderate
Source
synthetic
An effective emulsifier but may cause mild irritation for sensitive skin types.
Irritation
moderate
Source
synthetic
A reliable synthetic emulsifier that helps blend oil and water, but may not suit those avoiding PEG compounds.
Irritation
low
Source
synthetic
A reliable synthetic emulsifier that helps create stable, creamy formulas, but may not suit those avoiding PEGs.
Irritation
low
Source
synthetic
A gentle synthetic emulsifier that helps mix water and oil, generally well-tolerated but best for rinse-off products due to potential residue.
Irritation
low
Source
synthetic
A reliable emulsifier that helps mix water and oil in your products, but it's synthetic and may not suit those avoiding PEGs.
Irritation
low
Source
synthetic
A gentle emulsifier that helps mix water and oil in products, generally well-tolerated but may be drying for very sensitive skin.
Irritation
low
Source
semi-synthetic
A reliable synthetic emulsifier that keeps creams and lotions stable, but may not suit those avoiding PEG compounds.
Irritation
low
Source
synthetic
A reliable synthetic emulsifier that helps create stable, creamy formulas, but may not suit those avoiding PEG compounds.
Irritation
low
Source
synthetic
A reliable emulsifier that helps mix oil and water, but may not suit those avoiding PEG compounds.
Irritation
low
Source
synthetic
A reliable synthetic emulsifier that helps create smooth, stable creams and lotions with a low risk of irritation.
Irritation
low
Source
synthetic
A gentle emulsifier that helps mix water and oil in skincare products, generally well-tolerated but may be too heavy for very oily skin.
Irritation
low
Source
semi-synthetic
Emulsifier
PEG-15 Hydrogenated Castor Oil Triisostearate
A gentle emulsifier that helps mix water and oil in cosmetics, with a low risk of irritation.
Irritation
low
Source
semi-synthetic
A gentle, modified lanolin that moisturizes and helps blend water and oil, but may be too heavy for acne-prone skin.
Irritation
low
Source
semi-synthetic
A synthetic emulsifier that helps mix oil and water, but may cause irritation or clog pores in sensitive or acne-prone individuals.
Irritation
moderate
Source
synthetic
An effective hair conditioner and antistatic agent, but may cause irritation or clog pores for sensitive or acne-prone skin.
Irritation
moderate
Source
semi-synthetic
A reliable emulsifier that helps oil and water mix in your skincare, but it's synthetic and may not suit those avoiding PEGs.
Irritation
low
Source
synthetic
A gentle, semi-synthetic surfactant derived from jojoba oil that helps cleanse without stripping the skin.
Irritation
low
Source
semi-synthetic
A gentle emulsifier derived from jojoba oil that helps blend water and oil in formulas, generally well-tolerated but may not suit ultra-sensitive skin.
Irritation
low
Source
semi-synthetic
PEG-15 Lanolate is a gentle emulsifier derived from lanolin, but it may clog pores for acne-prone skin.
Irritation
low
Source
semi-synthetic
A synthetic polymer that helps products stay put and resist water, generally safe but not a skincare active.
Irritation
low
Source
synthetic
PEG-15 Oleamine is a synthetic emulsifier that helps mix oil and water, but it may be irritating for sensitive skin and has moderate comedogenic potential.
Irritation
moderate
Source
synthetic
A synthetic conditioning agent that reduces static and improves feel in hair products, but may cause irritation or clog pores in sensitive individuals.
Irritation
moderate
Source
synthetic
PEG-15 Oleate is a synthetic emulsifier that helps mix oil and water, but it may be mildly irritating for sensitive skin and has moderate comedogenic potential.
Irritation
moderate
Source
synthetic
Surfactant
PEG-15 PENTAERYTHRITYL TETRA(LAURETH-6 CARBOXYLATE)
A synthetic, mild surfactant that helps cleanse without stripping the skin, but it's not a standout ingredient for most routines.
Irritation
low
Source
synthetic
A gentle, plant-based emulsifier that helps stabilize formulas and may support skin barrier function without clogging pores.
Irritation
low
Source
semi-synthetic
PEG-15 Soyamine is an effective emulsifier but may cause irritation in sensitive skin, especially at higher concentrations.
Irritation
moderate
Source
synthetic
A synthetic emulsifier that helps mix water and oil, generally considered safe at low concentrations but may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
PEG-15 Stearamine is a synthetic emulsifier that helps mix oil and water in products, but it may be moderately irritating for sensitive skin and has a moderate comedogenic risk.
Irritation
moderate
Source
synthetic
A reliable emulsifier that helps create smooth, stable creams and lotions, but may be too heavy for very oily or acne-prone skin.
Irritation
low
Source
synthetic
PEG-15 Stearmonium Chloride is a synthetic conditioning ingredient that reduces static and softens hair, but it may cause irritation or clog pores in sensitive individuals.
Irritation
moderate
Source
synthetic
PEG-15 Tallate is a workhorse emulsifier that helps mix oil and water, but it may be mildly irritating for sensitive skin and has moderate comedogenic potential.
Irritation
moderate
Source
semi-synthetic
PEG-15 Tallow Amine is an effective emulsifier but may cause irritation for sensitive skin and raises ethical concerns due to its animal-derived origin.
Irritation
moderate
Source
semi-synthetic
An effective hair conditioner but may cause irritation or clog pores in sensitive individuals.
Irritation
moderate
Source
semi-synthetic
PEG-15 Tallow Polyamine is a synthetic conditioning agent that can improve hair feel but may cause irritation for sensitive skin.
Irritation
moderate
Source
semi-synthetic
A gentle silicone emulsifier that improves product feel and stability without clogging pores or causing irritation.
Irritation
low
Source
synthetic
Emulsifier
PEG-15/LAURYL POLYDIMETHYLSILOXYETHYL DIMETHICONE CROSSPOLYMER
A gentle silicone emulsifier that improves product feel and stability, but may not suit those avoiding silicones or PEG compounds.
Irritation
low
Source
synthetic
A safe, synthetic thickener that helps create a rich, creamy texture in lotions and conditioners without common irritation.
Irritation
low
Source
synthetic
A safe, widely used synthetic thickener and emulsifier that helps products feel smooth and spread evenly, but may be too heavy for very oily or acne-prone skin in high concentrations.
Irritation
low
Source
synthetic
A safe, effective thickener and emulsifier that helps blend oil and water in cleansers and lotions, but may feel heavy on very oily skin.
Irritation
low
Source
synthetic
A gentle synthetic thickener and stabilizer that helps create smooth, creamy textures without common irritation concerns.
Irritation
low
Source
synthetic
A gentle, water-soluble lanolin derivative that helps cleanse and condition without the heavy feel of traditional lanolin.
Irritation
low
Source
semi-synthetic
A gentle synthetic thickener and emulsifier that helps create rich, stable lather in cleansers without stripping the skin.
Irritation
low
Source
synthetic
A safe, workhorse emulsifier that helps mix oil and water in your products, but it can feel heavy on very oily or acne-prone skin.
Irritation
low
Source
synthetic
A gentle synthetic emulsifier that stabilizes creamy formulas without common irritation concerns.
Irritation
low
Source
synthetic
A mild, multi-purpose surfactant that cleans without stripping the skin, making it a good choice for sensitive skin.
Irritation
low
Source
semi-synthetic
A gentle, widely used emulsifier that stabilizes formulas and gives a smooth feel, with a strong safety record in cosmetics.
Irritation
low
Source
synthetic
A synthetic thickener that gives water-based products a smooth, gel-like feel without greasiness.
Irritation
low
Source
synthetic
A synthetic polymer that helps products stay put and feel smooth, but offers no active skincare benefit.
Irritation
low
Source
synthetic
PEG-16 Castor Oil is a gentle emulsifier that helps mix oil and water, making it a common ingredient in cleansers and makeup removers, but it may not suit those avoiding PEGs.
Irritation
low
Source
semi-synthetic
A reliable emulsifier that helps mix oil and water, but may feel heavy on very oily or acne-prone skin.
Irritation
low
Source
semi-synthetic
PEG-16 Dilaurate is a reliable emulsifier that helps mix water and oil in your products, but it may not be ideal for very sensitive or compromised skin due to potential penetration enhancer effects.
Irritation
low
Source
synthetic
A gentle emulsifier that helps blend oil and water in formulas, but may be too heavy for very oily or acne-prone skin in high concentrations.
Irritation
low
Source
semi-synthetic