An effective emulsifier and antistatic agent, but may cause irritation or clog pores in sensitive or acne-prone individuals.
Irritation
moderate
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
An effective emulsifier and antistatic agent, but may cause irritation or clog pores in sensitive or acne-prone individuals.
Irritation
moderate
Source
semi-synthetic
A mild synthetic surfactant that helps cleanse and condition hair and skin, but may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A synthetic emollient that helps products feel silky and spread easily, generally well-tolerated but not a standout active ingredient.
Irritation
low
Source
synthetic
PEG-5 Lanolate is a gentle, water-friendly emollient that helps soften skin and stabilize formulas, but may be moderately clogging for acne-prone skin.
Irritation
low
Source
semi-synthetic
PEG-5 Lanolin is a water-friendly version of lanolin that softens skin and helps blend oil and water, but it may clog pores for some people.
Irritation
low
Source
semi-synthetic
A gentle, lanolin-derived emulsifier that helps blend water and oil, but may be comedogenic for acne-prone skin.
Irritation
low
Source
semi-synthetic
PEG-5 Lauramide is a synthetic emulsifier that helps cleansers foam and mix oil with water, but it may cause mild irritation for sensitive skin.
Irritation
moderate
Source
synthetic
PEG-5 Oleamide helps blend oil and water in cleansers and lotions, but may cause irritation for sensitive skin at higher concentrations.
Irritation
moderate
Source
synthetic
A synthetic emulsifier that helps mix oil and water, but may be too heavy or irritating for sensitive or acne-prone skin.
Irritation
moderate
Source
synthetic
PEG-5 Oleamine helps cleansers foam and mix oil with water, but it may be moderately irritating for sensitive skin and has some environmental concerns.
Irritation
moderate
Source
synthetic
A synthetic conditioning agent that reduces static and softens hair, but may cause irritation for sensitive scalps at higher concentrations.
Irritation
moderate
Source
synthetic
PEG-5 Oleate helps mix oil and water in cleansers, but may be slightly drying for sensitive skin.
Irritation
moderate
Source
synthetic
A high-tech synthetic ingredient that helps other active ingredients penetrate better while providing a silky, non-greasy feel.
Irritation
low
Source
synthetic
Delivery System
PEG-5 PENTAERYTHRITYL DIMETHYLOL PROPIONATE-2 DENDRIMER
A high-tech synthetic polymer that helps active ingredients penetrate deeper and stay stable, but it's not a direct skin treatment itself.
Irritation
low
Source
synthetic
Delivery System
PEG-5 PENTAERYTHRITYL DIMETHYLOL PROPIONATE-3 DENDRIMER
A high-tech synthetic polymer that helps other ingredients penetrate better and gives a silky feel, but is not a standalone active.
Irritation
low
Source
synthetic
Film Former
PEG-5 PENTAERYTHRITYL DIMETHYLOL PROPIONATE-4 DENDRIMER
A high-tech synthetic polymer that helps active ingredients penetrate better and gives a silky, smooth feel without irritation.
Irritation
low
Source
synthetic
A gentle synthetic humectant that helps keep skin hydrated without common irritation, but offers limited additional benefits beyond moisture.
Irritation
low
Source
synthetic
A mild, plant-based emulsifier that helps blend oil and water while offering skin-soothing and barrier-supporting benefits.
Irritation
low
Source
semi-synthetic
A mild, plant-derived emulsifier that helps blend water and oil in creams and lotions while leaving skin feeling smooth.
Irritation
low
Source
semi-synthetic
A gentle emulsifier that helps oil and water mix, making creams and lotions smooth and stable without heavy irritation.
Irritation
low
Source
semi-synthetic
A mild, plant-based emulsifier that stabilizes formulas and leaves skin feeling soft without clogging pores.
Irritation
low
Source
semi-synthetic
PEG-5 Soyamine is an effective emulsifier and cleanser, but may be irritating for sensitive skin and has moderate comedogenic potential.
Irritation
moderate
Source
semi-synthetic
PEG-5 Stearamine is a synthetic emulsifier that helps blend oil and water, but may cause irritation or clog pores for some skin types.
Irritation
moderate
Source
synthetic
A synthetic conditioning agent that reduces static and softens hair, but may cause irritation for sensitive scalps at higher concentrations.
Irritation
moderate
Source
synthetic
A synthetic conditioning agent that reduces static and softens hair, but may cause irritation for sensitive scalps.
Irritation
moderate
Source
synthetic
A mild, plant-derived emulsifier that helps blend oil and water in skincare formulas without stripping the skin.
Irritation
low
Source
semi-synthetic
A functional emulsifier that helps mix oil and water in cleansers and creams, but offers no direct skin benefit and may be unnecessary for simple routines.
Irritation
low
Source
semi-synthetic
An effective but dated cleansing ingredient that can be drying for some skin types; better options exist today.
Irritation
moderate
Source
semi-synthetic
A conditioning ingredient that can reduce static and soften hair, but may cause irritation or clog pores in some people.
Irritation
moderate
Source
semi-synthetic
A gentle, semi-synthetic ingredient that helps products feel smooth and spread easily without clogging pores or causing irritation.
Irritation
low
Source
semi-synthetic
A gentle synthetic emollient that helps soften skin and improve product texture, with a low risk of irritation or clogged pores.
Irritation
low
Source
synthetic
A gentle emulsifier that helps mix water and oil in skincare formulas, with a low risk of irritation.
Irritation
low
Source
semi-synthetic
A synthetic emollient that helps products feel silky and spread smoothly, with a low risk of irritation or clogged pores.
Irritation
low
Source
synthetic
A gentle synthetic emulsifier that helps blend oil and water in creams and lotions, with a low risk of irritation.
Irritation
low
Source
synthetic
A reliable, low-irritation emulsifier that helps create smooth, stable creams and lotions without clogging pores.
Irritation
low
Source
semi-synthetic
A gentle, oil-derived emollient that softens skin and hair without feeling heavy, with low irritation potential.
Irritation
low
Source
semi-synthetic
A paraben-based preservative that is effective but controversial due to paraben safety concerns.
Irritation
moderate
Source
synthetic
PEG-50 Castor Oil is a gentle emulsifier that helps mix water and oil in cleansers, but its production involves ethoxylation, which may raise purity concerns for some users.
Irritation
low
Source
semi-synthetic
A reliable emulsifier that helps create stable, creamy textures, but may not suit those avoiding ethoxylated ingredients.
Irritation
low
Source
synthetic
A reliable synthetic emulsifier that helps oil and water mix in your creams and cleansers, but it's not a star active ingredient.
Irritation
low
Source
synthetic
A gentle synthetic emulsifier that helps mix oil and water in your products, but it's not a star active ingredient.
Irritation
low
Source
synthetic
A gentle emulsifier that helps mix oil and water, commonly used in cleansers and makeup removers, with a low risk of irritation.
Irritation
low
Source
semi-synthetic
A gentle emulsifier that helps mix water and oil in products, but may not suit those avoiding PEG compounds.
Irritation
low
Source
semi-synthetic
A reliable emulsifier that helps mix water and oil, but may not suit those avoiding ethoxylated ingredients.
Irritation
low
Source
semi-synthetic
Surfactant
POTASSIUM PEG-50 HYDROGENATED CASTOR OIL SUCCINATE
A gentle cleansing agent that helps mix oil and water, but it's a PEG compound with potential processing concerns.
Irritation
low
Source
semi-synthetic
Emulsifier
PEG-50 HYDROGENATED CASTOR OIL TRIISOSTEARATE
A gentle emulsifier that helps mix oil and water in skincare products, with a low risk of irritation or clogging pores.
Irritation
low
Source
semi-synthetic
A mild cleansing and emulsifying ingredient derived from palm oil, generally safe but with environmental concerns due to palm sourcing.
Irritation
low
Source
semi-synthetic
A synthetic emulsifier that helps mix oil and water, but may be irritating for sensitive skin and has moderate comedogenic potential.
Irritation
moderate
Source
semi-synthetic
A gentle, water-soluble lanolin derivative that helps blend oil and water in cleansers and moisturizers, but may not suit those with wool allergies.
Irritation
low
Source
semi-synthetic
A gentle, water-friendly emollient that brings shea butter's moisturizing feel to rinse-off products without greasiness.
Irritation
low
Source
semi-synthetic
PEG-50 Stearamide is a synthetic emulsifier that helps blend oil and water in creams and lotions, but its PEG component raises mild purity concerns for some users.
Irritation
low
Source
synthetic
PEG-50 Stearamine is a synthetic emulsifier that helps mix oil and water, but it may cause irritation for sensitive skin types.
Irritation
moderate
Source
synthetic
A gentle synthetic emulsifier that helps create stable, creamy textures in skincare.
Irritation
low
Source
synthetic
PEG-50 Tallow Amide is a foaming cleanser ingredient that can be effective but may cause irritation for sensitive skin and raises ethical concerns due to its animal-derived origin.
Irritation
moderate
Source
semi-synthetic
A gentle emulsifier that helps mix oil and water in cleansers and lotions, but may not suit those avoiding ethoxylated ingredients.
Irritation
low
Source
semi-synthetic
A gentle emulsifier that helps blend oil and water in cleansers and makeup removers, with a low risk of irritation.
Irritation
low
Source
semi-synthetic
A gentle, water-soluble emulsifier that helps blend oils with water for effective cleansing without stripping the skin.
Irritation
low
Source
semi-synthetic
A gentle, effective emulsifier that helps blend oil and water in cleansers and makeup removers, with a low risk of irritation.
Irritation
low
Source
semi-synthetic
A gentle, water-soluble lanolin derivative that helps blend oil and water in formulas while providing light moisturizing benefits.
Irritation
low
Source
semi-synthetic
A gentle emulsifier that helps mix water and oil in skincare, generally well-tolerated but may not suit those avoiding PEGs.
Irritation
low
Source
semi-synthetic