A mild, amino-acid-based surfactant that cleans without stripping the skin, making it a great choice for sensitive or dry skin types.
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 cleans without stripping the skin, making it a great choice for sensitive or dry skin types.
Irritation
low
Source
semi-synthetic
A mild, amino-acid-based surfactant that cleanses without stripping the skin, making it a good choice for sensitive or dry skin types.
Irritation
low
Source
semi-synthetic
A gentle, low-irritation surfactant that helps create a rich lather while being kinder to sensitive skin than traditional sulfates.
Irritation
low
Source
semi-synthetic
A gentle synthetic surfactant that cleans without stripping the skin, ideal for sensitive or dry skin types.
Irritation
low
Source
synthetic
A gentle synthetic surfactant that effectively cleanses without the harshness of traditional soaps, making it suitable for sensitive skin.
Irritation
low
Source
synthetic
Oleamide DIPA helps create rich lather in cleansers but may cause irritation for sensitive skin types.
Irritation
moderate
Source
synthetic
A gentle, foam-boosting surfactant that helps make cleansers feel milder and less stripping.
Irritation
low
Source
semi-synthetic
A gentle, olive-derived surfactant that helps create rich lather and thicker formulas, but may not suit those avoiding all amide-based ingredients.
Irritation
low
Source
semi-synthetic
A mild emulsifier that helps blend oil and water in cleansers, with added ozonized fatty acids for potential skin-soothing benefits.
Irritation
low
Source
semi-synthetic
A mild cleansing ingredient that helps create rich lather, but may not suit those avoiding palm-derived ingredients.
Irritation
low
Source
semi-synthetic
A gentle, coconut-derived surfactant that helps create a rich lather without stripping the skin, making it a popular choice for sensitive skin cleansers.
Irritation
low
Source
semi-synthetic
Palmitoyl Glycine is a mild, amino-acid-based surfactant that cleanses without stripping the skin, making it a great choice for sensitive or dry skin types.
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
PEG-10 Tallate is a cleansing and emulsifying ingredient derived from tall oil, but its PEG component and potential impurities raise mild safety considerations for sensitive skin.
Irritation
moderate
Source
semi-synthetic
A gentle, non-stripping surfactant that helps cleanse without over-drying, making it a good choice for sensitive or dry skin.
Irritation
low
Source
semi-synthetic
A gentle, PEG-modified surfactant that helps create a rich foam while being less stripping than traditional sulfates.
Irritation
low
Source
semi-synthetic
A common cleansing agent that helps foam and lift dirt, but may be too stripping for dry or sensitive skin.
Irritation
moderate
Source
semi-synthetic
A gentle, PEG-based emulsifier derived from coconut oil that helps blend oil and water in cleansers and creams without stripping the skin.
Irritation
low
Source
semi-synthetic
A gentle cleansing agent derived from tallow that helps remove dirt and oil without stripping the skin.
Irritation
low
Source
semi-synthetic
A gentle, plant-derived surfactant that helps cleanse without stripping the skin's natural moisture barrier.
Irritation
low
Source
semi-synthetic
A gentle, coconut-derived emulsifier that helps cleansers foam and rinse cleanly without stripping the skin.
Irritation
low
Source
semi-synthetic
PEG-5 Oleate helps mix oil and water in cleansers, but may be slightly drying for sensitive skin.
Irritation
moderate
Source
synthetic
A mild cleansing agent that helps remove dirt and oil, but may be slightly drying for very sensitive skin.
Irritation
moderate
Source
semi-synthetic
A gentle cleansing and odor-fighting ingredient that helps keep products stable and skin fresh, but may not suit ultra-sensitive skin in high concentrations.
Irritation
low
Source
semi-synthetic
A gentle, coconut-derived cleansing ingredient that helps rinse away dirt and oil without stripping the skin.
Irritation
low
Source
semi-synthetic
A gentle, water-friendly emollient that helps cleansers feel moisturizing without stripping the skin.
Irritation
low
Source
semi-synthetic
PEG-80 Castor Oil is a gentle cleansing agent that helps remove dirt and makeup, but it may cause irritation for very sensitive skin.
Irritation
moderate
Source
semi-synthetic
A gentle cleansing agent that helps rinse away dirt and oil without stripping the skin, but it's processed with PEGs, which some people prefer to avoid.
Irritation
low
Source
semi-synthetic
A gentle, water-soluble surfactant that helps cleanse without stripping the skin, making it a popular choice for sensitive-skin formulas.
Irritation
low
Source
semi-synthetic
A gentle, PEG-based surfactant that helps cleanse without stripping the skin's natural moisture barrier.
Irritation
low
Source
semi-synthetic
A gentle, coconut-derived cleansing and softening ingredient that helps products rinse cleanly without stripping the skin.
Irritation
low
Source
semi-synthetic
Pentasodium Triphosphate is a safe, synthetic helper ingredient that binds hard-water minerals to boost lather and keep cleansers stable.
Irritation
low
Source
synthetic
A gentle cleansing and softening duo that helps remove dirt without stripping the skin, but the seedate portion is not well-studied on its own.
Irritation
low
Source
mixed
A gentle, PEG-free emulsifier that helps mix oil and water in cleansers and lotions, with low irritation potential.
Irritation
low
Source
semi-synthetic
A mild, plant-derived surfactant that cleanses without stripping the skin's natural moisture barrier.
Irritation
low
Source
semi-synthetic
A gentle, synthetic surfactant that effectively cleanses without stripping the skin's natural moisture barrier.
Irritation
low
Source
synthetic
A gentle, coconut-derived soap ingredient that effectively cleanses without stripping the skin.
Irritation
low
Source
natural
Surfactant
POTASSIUM DIHYDROXYETHYL COCAMINE OXIDE PHOSPHATE
A gentle, coconut-derived surfactant that helps create rich foam and improve the mildness of cleansing formulas.
Irritation
low
Source
semi-synthetic
A strong synthetic cleanser that effectively removes dirt and oil but may be drying or irritating for sensitive skin.
Irritation
moderate
Source
synthetic
A mild synthetic surfactant that helps create a rich lather without stripping the skin's natural moisture barrier.
Irritation
low
Source
synthetic
A gentle, soap-like cleanser made from coconut oil that effectively removes dirt without harshness.
Irritation
low
Source
semi-synthetic
A palm-derived cleansing agent that effectively removes dirt but may be drying for sensitive skin.
Irritation
moderate
Source
natural
An effective but potentially drying cleanser derived from animal fat, best for normal to oily skin types.
Irritation
moderate
Source
natural
An effective cleanser and emulsifier, but may be drying or irritating for sensitive skin in high concentrations.
Irritation
moderate
Source
semi-synthetic
A gentle, effective surfactant that cleanses without stripping the skin barrier, making it a good choice for sensitive or dry skin.
Irritation
low
Source
semi-synthetic
A gentle, low-irritation surfactant that effectively cleanses without stripping the skin's natural moisture barrier.
Irritation
low
Source
semi-synthetic
A mild, amino-acid-based surfactant that cleanses without stripping the skin barrier.
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
Potassium Lauryl Sulfate is a strong cleanser that can effectively remove dirt and oil but may be drying or irritating for sensitive skin.
Irritation
moderate
Source
synthetic
Potassium Myristate is an effective cleanser that creates rich lather, but it can be drying or irritating for sensitive or dry skin types.
Irritation
moderate
Source
synthetic
A mild, collagen-derived surfactant that cleanses gently and helps maintain skin softness, ideal for sensitive or dry skin.
Irritation
low
Source
semi-synthetic
A mild, collagen-derived surfactant that cleanses gently and leaves skin feeling soft, ideal for sensitive or dry skin types.
Irritation
low
Source
semi-synthetic
A mild, amino-acid-based surfactant that cleanses without stripping the skin, making it ideal for sensitive and dry skin types.
Irritation
low
Source
semi-synthetic
A natural soap ingredient from peanut oil that cleanses effectively but may be drying or irritating for sensitive skin, and poses a risk for those with peanut allergies.
Irritation
moderate
Source
natural
A gentle, plant-based soap that effectively cleanses without stripping the skin's natural moisture barrier.
Irritation
low
Source
natural
A mild, amino-acid-based surfactant that cleanses without stripping the skin, making it ideal for sensitive and dry skin types.
Irritation
low
Source
semi-synthetic
A mild, protein-derived cleansing agent that cleans without stripping the skin's natural moisture barrier.
Irritation
low
Source
semi-synthetic
Potassium Toluenesulfonate is a mild synthetic helper that keeps formulas clear and stable, but it offers no direct skin benefit.
Irritation
low
Source
synthetic
Surfactant
POTASSIUM UNDECYLENOYL HYDROLYZED SOY PROTEIN
A mild, amino-acid-based surfactant that cleanses without stripping, making it a great choice for sensitive or dry skin.
Irritation
low
Source
semi-synthetic
A synthetic emulsifier that helps mix oil and water, but may be drying or irritating for sensitive skin.
Irritation
moderate
Source
synthetic