A mild, amino-acid-based surfactant that cleanses without stripping the skin 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 mild, amino-acid-based surfactant that cleanses without stripping the skin barrier.
Irritation
low
Source
semi-synthetic
Surfactant
Sodium Behenoyl/Cocoyl (Alanine/Arginine/Asparagine/Aspartic Acid/Glutamic Acid/Glycine/Isoleucine/Leucine/Lysine/Methionine/Phenylalanine/Proline/Serine/Threonine/Tryptophan/Tyrosine/Valine)
A gentle, multi-amino-acid surfactant that cleanses without stripping the skin barrier.
Irritation
low
Source
semi-synthetic
A mild synthetic helper that keeps cleansing formulas clear and stable, but offers no direct skin benefit.
Irritation
low
Source
synthetic
A gentle, low-irritation surfactant that effectively cleanses without stripping the skin's natural moisture barrier.
Irritation
low
Source
synthetic
A gentle, sulfate-free surfactant that cleanses without stripping the skin, ideal for sensitive or dry skin types.
Irritation
low
Source
synthetic
A gentle, amino-acid-based surfactant that cleans effectively while being kinder to sensitive skin than traditional sulfates.
Irritation
low
Source
semi-synthetic
A common foaming cleanser ingredient that is generally milder than sodium lauryl sulfate but can still be drying for sensitive skin.
Irritation
moderate
Source
synthetic
A moderately effective synthetic cleanser that can be drying or irritating for sensitive skin, but is generally safe in rinse-off formulas.
Irritation
moderate
Source
synthetic
A gentle synthetic surfactant that helps cleanse without stripping the skin's natural moisture barrier.
Irritation
low
Source
synthetic
A mild, coconut-derived cleansing agent that helps clean skin without stripping its natural moisture barrier.
Irritation
low
Source
semi-synthetic
A gentle, plant-derived surfactant that helps create a rich lather while being kinder to skin than many harsher cleansers.
Irritation
low
Source
semi-synthetic
Beheneth-30 Phosphate is a gentle, synthetic surfactant that effectively cleanses and helps mix oil and water without stripping the skin.
Irritation
low
Source
synthetic
An effective synthetic cleanser that can be drying for sensitive skin, but is generally safe in well-formulated products.
Irritation
moderate
Source
synthetic
A synthetic surfactant that effectively cleanses but may be drying or irritating for sensitive skin.
Irritation
moderate
Source
synthetic
A gentle, plant-based surfactant that effectively cleanses without over-drying, making it a good choice for sensitive skin.
Irritation
low
Source
natural
A gentle synthetic surfactant that helps cleanse and emulsify oils without stripping the skin.
Irritation
low
Source
synthetic
A gentle, effective surfactant that helps cleanse without stripping the skin's natural moisture barrier.
Irritation
low
Source
semi-synthetic
A gentle, semi-synthetic surfactant that helps cleanse without stripping the skin's natural moisture barrier.
Irritation
low
Source
semi-synthetic
A gentle synthetic emulsifier that helps cleansers rinse cleanly without stripping the skin.
Irritation
low
Source
synthetic
A gentle, effective surfactant that helps cleanse and emulsify without stripping the skin.
Irritation
low
Source
semi-synthetic
A gentle, low-irritation surfactant that helps cleanse and emulsify without stripping the skin.
Irritation
low
Source
semi-synthetic
A gentle, non-stripping surfactant that effectively cleanses while being kind to sensitive skin.
Irritation
low
Source
semi-synthetic
A gentle, effective surfactant that cleans without stripping the skin's natural moisture barrier.
Irritation
low
Source
semi-synthetic
A gentle synthetic cleanser that helps remove dirt and oil without stripping the skin, but may cause irritation for very sensitive skin types.
Irritation
moderate
Source
synthetic
A gentle, effective surfactant that helps cleanse and emulsify 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 slightly drying for very sensitive skin.
Irritation
moderate
Source
synthetic
A gentle, semi-synthetic surfactant that effectively cleanses without stripping the skin barrier, making it a good choice for sensitive skin.
Irritation
low
Source
semi-synthetic
A gentle, plant-based surfactant that effectively cleanses without disrupting the skin barrier, making it ideal for sensitive and dry skin types.
Irritation
low
Source
natural
A gentle, effective cleansing ingredient that helps remove dirt and oil without stripping the skin.
Irritation
low
Source
semi-synthetic
A mild synthetic ingredient that helps create a rich, stable lather and a creamy feel in cleansers, with a low risk of irritation.
Irritation
low
Source
synthetic
A mild, large-molecule surfactant that cleanses without stripping the skin barrier.
Irritation
low
Source
semi-synthetic
A gentle, semi-synthetic surfactant that effectively cleanses without over-drying, making it a good choice for sensitive or dry skin.
Irritation
low
Source
semi-synthetic
Calcium Laurate is a mild cleansing and thickening agent, generally safe but not a star active ingredient.
Irritation
low
Source
synthetic
Caprylamide MEA is a gentle, coconut-derived surfactant that helps create a rich lather without stripping the skin, making it a good alternative to harsher cleansers.
Irritation
low
Source
semi-synthetic
A gentle, low-irritation cleansing ingredient that effectively removes dirt and oil while being kind to sensitive skin.
Irritation
low
Source
semi-synthetic
A mild, amino-acid-based ingredient that gently cleanses and helps calm skin without stripping moisture.
Irritation
low
Source
semi-synthetic
A mild, amino-acid-based surfactant that cleanses without stripping the skin, making it ideal for sensitive or dry skin types.
Irritation
low
Source
semi-synthetic
A mild, silk-derived cleansing agent that cleans without stripping the skin, making it ideal for sensitive or dry skin types.
Irritation
low
Source
semi-synthetic
A gentle, plant-based surfactant that effectively cleanses without stripping the skin, making it a great choice for sensitive or dry skin types.
Irritation
low
Source
natural
A gentle, synthetic surfactant that cleanses without stripping the skin, making it a good choice for sensitive or dry skin types.
Irritation
low
Source
synthetic
A gentle, low-irritation surfactant blend that cleanses effectively without stripping the skin, making it a great choice for sensitive or dry skin types.
Irritation
low
Source
synthetic
Cocamide MIPA is a coconut-derived ingredient that helps create rich lather, but it may be mildly irritating for sensitive skin.
Irritation
moderate
Source
semi-synthetic
A mild surfactant that helps create rich foam and leaves skin feeling soft, but may cause irritation for sensitive skin.
Irritation
moderate
Source
semi-synthetic
A gentle, coconut-derived cleansing ingredient that effectively removes dirt and oil while being kind to sensitive skin.
Irritation
low
Source
semi-synthetic
A mild, plant-based cleansing polymer that helps create a creamy, non-stripping lather — great for sensitive or dry skin.
Irritation
low
Source
semi-synthetic
A gentle, coconut-derived surfactant that helps create rich foam without stripping the skin.
Irritation
low
Source
semi-synthetic
A gentle, plant-derived surfactant that helps create rich lather while being kinder to skin than harsher cleansers.
Irritation
low
Source
semi-synthetic
An effective but potentially drying cleanser that may irritate sensitive skin; best for normal-to-oily skin types.
Irritation
moderate
Source
semi-synthetic
A mild, coconut-derived cleansing agent that helps create a rich lather while being gentler on skin than some traditional sulfates.
Irritation
low
Source
semi-synthetic
A gentle, coconut-derived surfactant that helps create a rich lather and effectively remove dirt and oil without being overly harsh.
Irritation
low
Source
semi-synthetic
A mild, coconut-derived cleanser that helps remove dirt and oil while leaving skin feeling soft, not tight.
Irritation
low
Source
semi-synthetic
A gentle synthetic surfactant that helps cleansers foam and rinse clean without stripping the skin.
Irritation
low
Source
synthetic
A mild coconut-derived cleansing agent that helps create a rich lather without stripping the skin.
Irritation
low
Source
semi-synthetic
A mild synthetic surfactant that helps cleanse without stripping the skin, but it's not a standout ingredient on its own.
Irritation
low
Source
synthetic
Surfactant
DIHYDROXYETHYL C12-15 ALKOXYPROPYLAMINE OXIDE
A gentle surfactant that helps create a rich, stable foam while being less stripping than traditional sulfates.
Irritation
low
Source
synthetic
A gentle surfactant that helps create a rich foam while being less stripping than traditional sulfates.
Irritation
low
Source
synthetic
A gentle, coconut-derived surfactant that boosts foam and cleanses without stripping the skin, making it a good choice for sensitive skin.
Irritation
low
Source
semi-synthetic
An effective foam booster and surfactant, but may cause irritation for sensitive skin and raises ethical concerns due to its animal-derived origin.
Irritation
moderate
Source
semi-synthetic
A mild, amino-acid-based surfactant that cleanses without stripping the skin barrier.
Irritation
low
Source
semi-synthetic
A gentle, biodegradable surfactant that cleans effectively without stripping the skin barrier.
Irritation
low
Source
semi-synthetic