A gentle, semi-synthetic surfactant that helps cleanse without stripping the skin's natural moisture barrier.
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, semi-synthetic surfactant that helps cleanse without stripping the skin's natural moisture barrier.
Irritation
low
Source
semi-synthetic
An effective cleansing agent that helps remove dirt and oil, but may be drying for sensitive or very dry skin.
Irritation
moderate
Source
synthetic
A workhorse cleansing ingredient that helps remove dirt and oil, but may be drying or irritating for very sensitive skin.
Irritation
moderate
Source
synthetic
A gentle synthetic emulsifier that helps blend oil and water, but may cause mild irritation for very sensitive skin.
Irritation
moderate
Source
synthetic
An effective cleansing agent that can be drying or irritating for sensitive skin, but generally safe in well-formulated products.
Irritation
moderate
Source
synthetic
A synthetic emulsifier that helps cleansers foam and rinse clean, but may be drying for sensitive skin.
Irritation
moderate
Source
synthetic
A synthetic surfactant that helps cleanse and emulsify, but may be drying for sensitive skin.
Irritation
moderate
Source
synthetic
A gentle synthetic surfactant that helps cleanse without stripping the skin, but may not suit ultra-sensitive skin in high concentrations.
Irritation
low
Source
synthetic
A mild synthetic surfactant that helps cleansers foam and rinse cleanly, but may be slightly drying for very sensitive skin.
Irritation
moderate
Source
synthetic
An effective cleansing agent that helps remove dirt and oil, but may be drying or irritating for sensitive skin.
Irritation
moderate
Source
synthetic
A gentle synthetic surfactant that helps cleanse without stripping, but may cause mild irritation in sensitive skin.
Irritation
moderate
Source
synthetic
A gentle cleansing agent that helps remove dirt and oil without stripping the skin, but may cause irritation for very sensitive skin types.
Irritation
moderate
Source
synthetic
A mild synthetic surfactant that helps cleansers foam and rinse cleanly, but may be slightly drying for very sensitive skin.
Irritation
moderate
Source
synthetic
A gentle synthetic surfactant that helps cleanse without stripping, but may cause mild irritation for very sensitive skin.
Irritation
moderate
Source
synthetic
A gentle synthetic surfactant that helps cleanse without stripping, but may cause irritation in sensitive skin at higher concentrations.
Irritation
moderate
Source
synthetic
A gentle synthetic surfactant that helps cleanse without stripping the skin, making it a good choice for sensitive or dry skin types.
Irritation
low
Source
synthetic
A gentle, low-irritation cleansing agent that helps blend oil and water, making it a reliable choice for sensitive skin formulations.
Irritation
low
Source
semi-synthetic
A gentle synthetic surfactant that helps cleanse without stripping the skin's natural moisture barrier.
Irritation
low
Source
synthetic
A common synthetic emulsifier that helps products rinse cleanly, but may be slightly drying or irritating for very sensitive skin.
Irritation
moderate
Source
synthetic
A synthetic emulsifier that helps mix oil and water, but may be slightly drying or irritating for very sensitive skin.
Irritation
moderate
Source
synthetic
A synthetic emulsifier that helps mix oil and water, but may be slightly drying or irritating for sensitive skin.
Irritation
moderate
Source
synthetic
A synthetic emulsifier that helps cleansers foam and rinse clean, but may be drying for sensitive skin.
Irritation
moderate
Source
synthetic
A common synthetic emulsifier that helps blend water and oil, but may be slightly drying or irritating for sensitive skin.
Irritation
moderate
Source
synthetic
A mild cleansing agent that helps remove dirt and oil without stripping the skin, but may cause slight irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A gentle emulsifier that helps blend oil and water, but its tallow origin may not suit all preferences.
Irritation
low
Source
semi-synthetic
A mild synthetic surfactant that helps cleanse without stripping, but may cause irritation for very sensitive skin.
Irritation
moderate
Source
synthetic
A gentle, synthetic cleansing ingredient that helps lift dirt and oil without stripping the skin, but may not suit extremely sensitive or compromised skin barriers.
Irritation
low
Source
semi-synthetic
A mild cleansing agent that helps remove dirt and oil without stripping the skin, but may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A gentle, effective cleansing ingredient that helps lift dirt and oil without stripping the skin, making it a solid choice for daily cleansers.
Irritation
low
Source
semi-synthetic
A gentle synthetic emulsifier that helps mix oil and water, commonly used in cleansers and lotions with a low irritation risk.
Irritation
low
Source
synthetic
A gentle synthetic emulsifier that helps mix water and oil in your skincare products without causing irritation.
Irritation
low
Source
synthetic
A gentle synthetic surfactant that helps cleansers foam and rinse cleanly, with low irritation potential.
Irritation
low
Source
synthetic
A mild synthetic emulsifier that helps mix oil and water in cleansers and lotions, generally well-tolerated.
Irritation
low
Source
synthetic
A gentle synthetic emulsifier that helps cleansers foam and lotions stay mixed, with a low irritation profile for most skin types.
Irritation
low
Source
synthetic
A gentle synthetic surfactant that helps cleanse without stripping the skin, but may not suit extremely sensitive skin in high concentrations.
Irritation
low
Source
synthetic
A mild synthetic emulsifier that helps cleansers foam and rinse cleanly without stripping the skin.
Irritation
low
Source
synthetic
A gentle synthetic emulsifier that helps mix oil and water in your products without stripping the skin.
Irritation
low
Source
synthetic
A gentle synthetic emulsifier that helps mix oil and water, commonly used in cleansers and creams with a low irritation profile.
Irritation
low
Source
synthetic
A gentle synthetic emulsifier that helps keep your skincare products stable and well-mixed, with a low risk of irritation.
Irritation
low
Source
synthetic
A gentle synthetic emulsifier that helps mix oil and water in your products, with a low risk of irritation or clogging pores.
Irritation
low
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
A gentle synthetic emulsifier that helps mix water and oil, but offers no direct skin benefit on its own.
Irritation
low
Source
synthetic
A gentle synthetic surfactant that helps cleanse without stripping the skin's natural moisture barrier.
Irritation
low
Source
synthetic
A synthetic fluorinated surfactant that helps products spread and clean, but its environmental persistence raises concerns.
Irritation
low
Source
synthetic
A mild synthetic surfactant that helps cleanse without stripping the skin's natural moisture barrier.
Irritation
low
Source
synthetic
C9-11 Pareth-4 is a mild synthetic emulsifier that helps cleansers remove dirt and oil, but may be slightly drying for very sensitive skin.
Irritation
moderate
Source
synthetic
A synthetic cleansing agent that helps remove dirt and oil, but may be drying for sensitive skin.
Irritation
moderate
Source
synthetic
A gentle synthetic surfactant that helps cleansers foam and rinse cleanly, but may cause mild irritation for very sensitive skin.
Irritation
moderate
Source
synthetic
A gentle cleansing agent that helps remove dirt and oil without stripping the skin, but may cause irritation in sensitive individuals at high concentrations.
Irritation
moderate
Source
synthetic
A mild synthetic surfactant that helps cleanse without stripping, but may be slightly drying for very sensitive skin.
Irritation
moderate
Source
synthetic
A synthetic surfactant that helps ingredients spread evenly and stay put, but its fluorinated nature raises environmental persistence concerns.
Irritation
low
Source
synthetic
A synthetic cleansing agent that helps remove dirt and oil, but may be drying for sensitive skin.
Irritation
moderate
Source
synthetic
A strong synthetic surfactant more at home in heavy-duty cleaners than in gentle skincare; potential irritant.
Irritation
high
Source
synthetic
A mild synthetic helper that improves how cleansers mix and rinse, generally safe for most skin types.
Irritation
low
Source
synthetic
A gentle, plant-based surfactant that cleanses without stripping the skin, ideal for sensitive or dry skin types.
Irritation
low
Source
natural
Capramide DEA helps create rich lather and thicker formulas, but it may be irritating for sensitive skin and can be contaminated with potentially harmful impurities.
Irritation
moderate
Source
synthetic
A mild synthetic surfactant that helps cleanse without stripping, but may cause irritation for sensitive skin.
Irritation
moderate
Source
synthetic
A gentle, coconut-derived surfactant that cleans effectively without stripping the skin, making it a popular choice for sensitive skin formulas.
Irritation
low
Source
semi-synthetic
A gentle, water-soluble surfactant that helps cleanse and emulsify without stripping the skin, making it a good choice for sensitive skin formulations.
Irritation
low
Source
semi-synthetic
A gentle, well-tolerated emulsifier that helps mix oil and water in cleansers and lotions without stripping the skin.
Irritation
low
Source
semi-synthetic