A gentle, water-soluble emulsifier that helps mix oils into water-based formulas without clogging pores.
Irritation
low
Source
semi-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 gentle, water-soluble emulsifier that helps mix oils into water-based formulas without clogging pores.
Irritation
low
Source
semi-synthetic
A mild, almond-derived emulsifier that helps blend water and oil in creams and lotions without heavy irritation.
Irritation
low
Source
semi-synthetic
PEG-35 Castor Oil is a reliable emulsifier that helps mix oil and water, making it a staple in many cleansers and creams without causing irritation.
Irritation
low
Source
semi-synthetic
A well-tolerated emulsifier that helps mix oil and water in your products, but may feel heavy on very oily skin.
Irritation
low
Source
semi-synthetic
A gentle, water-friendly lanolin derivative that moisturizes and helps blend oil and water in formulas, but may not suit those with wool allergies.
Irritation
low
Source
semi-synthetic
A reliable, low-irritation emulsifier that helps create smooth, stable creams and lotions without clogging pores.
Irritation
low
Source
semi-synthetic
PEG-36 Oleate is a safe and effective emulsifier that helps mix oil and water, but it may be a concern for those avoiding ethoxylated ingredients.
Irritation
low
Source
synthetic
A reliable emulsifier that keeps creams and lotions stable, but may not be ideal for very sensitive or compromised skin.
Irritation
low
Source
synthetic
A safe, effective emulsifier that helps mix oil and water in your products, with a low risk of irritation or clogged pores.
Irritation
low
Source
semi-synthetic
A reliable synthetic emulsifier that helps mix oil and water, but may be slightly pore-clogging for acne-prone skin.
Irritation
low
Source
synthetic
PEG-4 Dilaurate is a workhorse emulsifier that helps mix water and oil, but it may be slightly pore-clogging for acne-prone skin.
Irritation
low
Source
synthetic
A safe, widely used synthetic emulsifier that helps blend oil and water in creams and lotions, but may not suit those avoiding ethoxylated ingredients.
Irritation
low
Source
synthetic
A gentle synthetic emulsifier that helps create stable, creamy formulas without common irritation concerns.
Irritation
low
Source
synthetic
A gentle, semi-synthetic emulsifier that helps create stable, creamy textures with low irritation potential.
Irritation
low
Source
semi-synthetic
A gentle synthetic emulsifier that helps create stable, creamy textures in skincare without significant irritation or clogging concerns.
Irritation
low
Source
synthetic
A reliable synthetic emulsifier that helps oil and water mix in your skincare, but it's not a star active ingredient.
Irritation
low
Source
synthetic
PEG-4 Laurate is a workhorse emulsifier that helps mix oil and water, but it may be mildly irritating or pore-clogging for sensitive or acne-prone skin.
Irritation
moderate
Source
synthetic
A gentle synthetic emulsifier that helps mix water and oil in creams and lotions, with a low risk of irritation.
Irritation
low
Source
synthetic
PEG-4 Oleamide helps mix oil and water in cleansers and creams, but its synthetic nature and potential for irritation make it a cautious choice for sensitive skin.
Irritation
moderate
Source
synthetic
PEG-4 Oleate helps mix oil and water in products, but may be slightly irritating or pore-clogging for sensitive or acne-prone skin.
Irritation
moderate
Source
synthetic
A gentle, olive-derived emulsifier that helps blend water and oil in cleansers and creams, with low irritation potential.
Irritation
low
Source
semi-synthetic
A gentle silicone emulsifier that improves product texture and stability, generally safe for most skin types.
Irritation
low
Source
synthetic
A gentle, semi-synthetic emulsifier that creates stable, creamy textures with low irritation potential.
Irritation
low
Source
semi-synthetic
A gentle, semi-synthetic emulsifier that creates stable, creamy textures with low irritation potential.
Irritation
low
Source
semi-synthetic
A gentle emulsifier that helps create stable, creamy formulas without common irritation concerns.
Irritation
low
Source
semi-synthetic
A reliable synthetic emulsifier that keeps water and oil mixed in creams and lotions, generally well-tolerated by most skin types.
Irritation
low
Source
synthetic
PEG-4 Stearate is a safe, widely used emulsifier that helps products feel smooth, but it may be slightly pore-clogging for acne-prone skin.
Irritation
low
Source
synthetic
A gentle synthetic emulsifier that helps create stable, creamy textures without common irritation concerns.
Irritation
low
Source
synthetic
A reliable synthetic emulsifier that stabilizes formulas but may not suit those avoiding ethoxylated ingredients.
Irritation
low
Source
synthetic
A gentle, coconut-derived emulsifier that helps cleansers foam and rinse cleanly without stripping the skin.
Irritation
low
Source
semi-synthetic
A reliable emulsifier that keeps oil and water mixed in your products, but may not suit those avoiding ethoxylated ingredients.
Irritation
low
Source
synthetic
A gentle emulsifier that keeps oil and water mixed in creams and lotions, generally well-tolerated by most skin types.
Irritation
low
Source
semi-synthetic
A reliable synthetic emulsifier that helps create stable, creamy formulas, but may not suit those avoiding PEGs.
Irritation
low
Source
synthetic
A reliable emulsifier that helps mix oil and water, but may be too heavy for very oily or acne-prone skin.
Irritation
low
Source
synthetic
A gentle emulsifier that helps mix oil and water in your skincare, but may feel heavy on very oily or acne-prone skin.
Irritation
low
Source
semi-synthetic
Emulsifier
PEG-40 HYDROGENATED CASTOR OIL TRIISOSTEARATE
A gentle emulsifier that helps mix oil and water in your products, but may feel heavy on very oily skin.
Irritation
low
Source
semi-synthetic
A reliable synthetic emulsifier that helps blend water and oil in creams and lotions, with a low risk of irritation.
Irritation
low
Source
synthetic
A gentle emulsifier that helps blend oil and water, but may clog pores for some skin types.
Irritation
low
Source
semi-synthetic
A reliable emulsifier that helps create stable, creamy formulas without common irritation.
Irritation
low
Source
synthetic
A gentle, plant-derived emulsifier that helps blend oil and water in cleansers and creams, with a low risk of irritation.
Irritation
low
Source
semi-synthetic
A gentle, jojoba-derived emulsifier that helps mix oil and water without stripping the skin.
Irritation
low
Source
semi-synthetic
A gentle, water-friendly emulsifier that helps blend oil and water in creams and cleansers, but may not suit those with wool allergies.
Irritation
low
Source
semi-synthetic
A mild, olive-derived emulsifier that helps mix oil and water in cleansers and creams, with a low risk of irritation.
Irritation
low
Source
semi-synthetic
A gentle, synthetic emulsifier that helps create stable, creamy formulas without common irritation concerns.
Irritation
low
Source
synthetic
A reliable, low-irritation emulsifier that helps blend oils and water, but may not suit those with lanolin sensitivity.
Irritation
low
Source
semi-synthetic
A reliable emulsifier that keeps formulas stable, but may be too heavy for very oily or acne-prone skin.
Irritation
low
Source
synthetic
A widely used synthetic emulsifier that is generally safe and non-irritating for most skin types.
Irritation
low
Source
synthetic
A reliable synthetic emulsifier that helps blend oil and water, generally well-tolerated but may not suit those avoiding ethoxylated ingredients.
Irritation
low
Source
synthetic
A reliable emulsifier that helps oil and water mix, but may not suit those avoiding ethoxylated ingredients.
Irritation
low
Source
synthetic
A gentle, widely used emulsifier that helps create stable, creamy formulas without common irritation.
Irritation
low
Source
semi-synthetic
A reliable synthetic emulsifier that keeps oil and water mixed in your products, but it may not suit those avoiding ethoxylated ingredients.
Irritation
low
Source
synthetic
A well-tolerated emulsifier that helps create stable, creamy textures while offering mild skin conditioning.
Irritation
low
Source
semi-synthetic
Emulsifier
HYDROGENATED DIMER DILINOLEYL PEG-41/POLY(1,2-BUTANEDIOL)-18 DIMETHYL ETHER
A gentle synthetic polymer that helps stabilize formulas and gives a smooth, non-greasy feel.
Irritation
low
Source
synthetic
A mild, semi-synthetic emulsifier derived from babassu oil that helps blend water and oil in cleansers and creams without stripping the skin.
Irritation
low
Source
semi-synthetic
A gentle emulsifier that helps mix oil and water in cleansers and shampoos, with a low risk of irritation.
Irritation
low
Source
semi-synthetic
A gentle, oil-based emulsifier that helps mix water and oil in formulas, but may feel heavy on very oily skin.
Irritation
low
Source
semi-synthetic
A gentle emulsifier that helps blend oil and water in skincare products, generally well-tolerated but derived from palm kernel oil, which raises sustainability concerns.
Irritation
low
Source
semi-synthetic
A mild, plant-derived emulsifier that helps water and oil mix in your skincare, with a low risk of irritation or clogged pores.
Irritation
low
Source
semi-synthetic
PEG-45 Stearate is a widely used emulsifier that helps create stable, creamy textures, but it may contain trace impurities from its manufacturing process.
Irritation
low
Source
synthetic
A reliable synthetic emulsifier that helps create stable, creamy textures, but may be too heavy for very oily or acne-prone skin.
Irritation
low
Source
synthetic