Isostearamide DEA helps create rich lather and thick texture in cleansers, but it may cause mild irritation for sensitive skin.
Irritation
moderate
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
Isostearamide DEA helps create rich lather and thick texture in cleansers, but it may cause mild irritation for sensitive skin.
Irritation
moderate
Source
synthetic
Isostearamide MEA is a mild synthetic ingredient that helps create rich lather and thicker textures in cleansers, but it offers no direct skin benefit beyond formulation.
Irritation
low
Source
synthetic
A gentle surfactant that helps create a rich lather without stripping the skin.
Irritation
low
Source
synthetic
A gentle synthetic emulsifier that helps mix water and oil in creams and cleansers, with low irritation potential.
Irritation
low
Source
synthetic
A gentle synthetic emulsifier that helps mix oil and water in creams and cleansers, generally well-tolerated but not a standout active ingredient.
Irritation
low
Source
synthetic
Isosteareth-15 is a gentle synthetic emulsifier that helps mix oil and water in skincare products, with a low risk of irritation or clogging pores.
Irritation
low
Source
synthetic
Isosteareth-16 is a gentle synthetic emulsifier that helps mix oil and water in cleansers and lotions, with a low risk of irritation for most skin types.
Irritation
low
Source
synthetic
A mild synthetic emulsifier that helps cleansers and lotions mix and rinse cleanly, with low irritation potential.
Irritation
low
Source
synthetic
A gentle synthetic emulsifier that helps mix water and oil in creams and cleansers, with a low irritation profile.
Irritation
low
Source
synthetic
A gentle synthetic surfactant that helps mix oil and water, commonly used in rinse-off products for its mild cleansing and emulsifying properties.
Irritation
low
Source
synthetic
Isosteareth-3 is a gentle synthetic emulsifier that helps mix oil and water in cleansers and creams, but it's an ethoxylate, which raises mild purity concerns for some users.
Irritation
low
Source
synthetic
Isosteareth-5 is a gentle synthetic emulsifier that helps mix oil and water in products, with a low risk of irritation or clogging pores.
Irritation
low
Source
synthetic
A gentle cleansing and emulsifying ingredient that helps mix oil and water, making it useful in cleansers and shampoos without stripping the skin.
Irritation
low
Source
semi-synthetic
Isosteareth-8 is a gentle synthetic emulsifier that helps mix oil and water, but its PEG content raises mild environmental and purity concerns.
Irritation
low
Source
synthetic
A mild synthetic conditioner that helps rinse-off products feel softer without heavy buildup.
Irritation
low
Source
synthetic
A mild synthetic emulsifier that helps products feel smooth and spread easily, with a low risk of irritation.
Irritation
low
Source
synthetic
A gentle, non-stripping emulsifier derived from jojoba wax that helps cleanse without drying out the skin.
Irritation
low
Source
semi-synthetic
A gentle, water-soluble cleanser derived from jojoba wax that effectively removes oil and makeup without stripping the skin.
Irritation
low
Source
semi-synthetic
A gentle, protein-derived surfactant that cleanses without stripping, making it a good choice for sensitive skin or damaged hair.
Irritation
low
Source
semi-synthetic
Lactamide DEA helps products feel creamy and foamy, but it's a synthetic ingredient with limited research on long-term skin benefits.
Irritation
low
Source
synthetic
Laneth-4 Phosphate is a synthetic emulsifier that helps mix oil and water, but it may cause irritation for sensitive skin types.
Irritation
moderate
Source
synthetic
Laneth-5 is a gentle, lanolin-derived ingredient that helps soften skin and stabilize formulas, but those with wool allergies should patch-test first.
Irritation
low
Source
semi-synthetic
Lanolinamide DEA helps create rich lather and stabilize mixtures, but it may be mildly irritating or comedogenic for sensitive or acne-prone skin.
Irritation
moderate
Source
semi-synthetic
Lapyrium chloride is a synthetic surfactant that helps cleanse and condition hair and skin, but it may cause mild irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
Lauramide helps create rich lather and thicken cleansers, but may cause mild irritation for sensitive skin.
Irritation
moderate
Source
synthetic
Lauramide DEA is an effective foam booster but has moderate irritation potential and environmental concerns, making it less popular in modern formulations.
Irritation
moderate
Source
synthetic
Lauramide DIPA helps create rich lather in cleansers but may be mildly irritating for sensitive skin.
Irritation
moderate
Source
synthetic
Lauramide MEA helps create rich lather and thick texture in cleansers, but may cause mild irritation for sensitive skin.
Irritation
moderate
Source
synthetic
Lauramide MIPA helps create rich lather in cleansers but may cause irritation for sensitive skin.
Irritation
moderate
Source
synthetic
An effective foam booster and thickener, but its potential to form nitrosamines makes it a controversial choice in modern formulations.
Irritation
moderate
Source
synthetic
A gentle, coconut-based surfactant that helps cleansers lather without stripping the skin.
Irritation
low
Source
semi-synthetic
A gentle surfactant that helps cleansers foam without stripping the skin, making it a good choice for sensitive or dry skin types.
Irritation
low
Source
semi-synthetic
A gentle surfactant that helps create rich lather and thicken formulas without stripping the skin.
Irritation
low
Source
synthetic
A gentle surfactant that helps create rich foam and stabilize formulas, but may cause mild irritation in sensitive skin at high concentrations.
Irritation
low
Source
synthetic
A mild cleansing agent that helps foam and rinse away dirt, but may cause irritation for very sensitive skin.
Irritation
moderate
Source
synthetic
Lauraminopropylamine is a synthetic surfactant that helps cleanse and condition hair and skin, but it may cause irritation in sensitive individuals at higher concentrations.
Irritation
moderate
Source
synthetic
Surfactant
LAURDIMONIUM HYDROXYPROPYL DECYLGLUCOSIDES CHLORIDE
A gentle, conditioning cleanser that helps hair and skin feel soft without stripping natural oils.
Irritation
low
Source
semi-synthetic
A mild, phosphate-based surfactant that helps cleanse without stripping the skin, but may not suit ultra-sensitive types.
Irritation
low
Source
semi-synthetic
A gentle cleansing and emulsifying ingredient that helps products rinse clean without stripping the skin, but may not suit those avoiding ethoxylated compounds.
Irritation
low
Source
semi-synthetic
Laureth-100 is a gentle, high-foam surfactant and emulsifier that helps blend oil and water in cleansers and serums, with a very low irritation profile.
Irritation
low
Source
synthetic
Laureth-11 is a gentle surfactant and emulsifier that helps cleanse without stripping the skin, making it a good choice for sensitive skin formulations.
Irritation
low
Source
semi-synthetic
Laureth-13 is a synthetic cleansing agent that helps products foam and rinse clean, but it can be drying or irritating for sensitive skin.
Irritation
moderate
Source
synthetic
A gentle, low-irritation surfactant that helps cleansers foam and remove dirt without stripping the skin.
Irritation
low
Source
semi-synthetic
A gentle, effective surfactant that helps cleanse without stripping the skin's natural moisture barrier.
Irritation
low
Source
semi-synthetic
Laureth-15 is a synthetic emulsifier that helps products spread and foam, but it may cause mild irritation for sensitive skin.
Irritation
moderate
Source
synthetic
Laureth-16 is a gentle surfactant and emulsifier that helps products foam and rinse cleanly, but it may be slightly drying for very sensitive skin.
Irritation
low
Source
synthetic
A gentle, semi-synthetic surfactant that helps cleanse without stripping the skin, making it a good choice for sensitive or dry skin types.
Irritation
low
Source
semi-synthetic
A gentle phosphate-based surfactant that helps cleanse without stripping the skin, making it a good choice for sensitive or dry skin types.
Irritation
low
Source
semi-synthetic
Laureth-20 is a common cleansing and emulsifying ingredient that can be drying or irritating for sensitive skin, especially in high concentrations.
Irritation
moderate
Source
synthetic
Laureth-23 is a reliable emulsifier but can be drying or irritating for sensitive skin at higher concentrations.
Irritation
moderate
Source
synthetic
A gentle cleansing agent that helps products foam and rinse clean without stripping the skin.
Irritation
low
Source
semi-synthetic
A gentle, effective cleansing agent that helps remove dirt and oil without stripping the skin.
Irritation
low
Source
synthetic
A gentle surfactant that helps cleanse without stripping the skin, but may not suit those with very sensitive or compromised barriers.
Irritation
low
Source
semi-synthetic
A gentle, non-ionic surfactant that helps cleanse without stripping the skin's natural moisture barrier.
Irritation
low
Source
semi-synthetic
Laureth-4 is an effective emulsifier and cleanser, but it can be moderately irritating and potentially pore-clogging for some skin types.
Irritation
moderate
Source
synthetic
Laureth-4 Phosphate is a synthetic emulsifier that helps mix oil and water, but may cause mild irritation for sensitive skin.
Irritation
moderate
Source
synthetic
A mild cleansing and emulsifying agent, but can be drying or irritating for sensitive skin at higher concentrations.
Irritation
moderate
Source
synthetic
Laureth-5 is a mild cleansing and emulsifying agent, but may be slightly drying or irritating for sensitive skin at higher concentrations.
Irritation
moderate
Source
synthetic
Laureth-5 Butyl Ether is a synthetic emulsifier that helps mix oil and water in products, but it may cause mild irritation for sensitive skin.
Irritation
moderate
Source
synthetic
A gentle, large-molecule surfactant that cleanses without stripping the skin, but may not be ideal for those avoiding ethoxylated ingredients.
Irritation
low
Source
semi-synthetic