A gentle emulsifier that helps blend oil and water, but its tallow origin may not suit all preferences.
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 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
Viscosity Controlling
C12-16 ALKOXY HYDROXYPROPYL ETHYL HYDROXYETHYLCELLULOSE
A gentle, semi-synthetic thickener that improves product texture and stability without common irritation concerns.
Irritation
low
Source
semi-synthetic
Viscosity Controlling
C12-16 ALKYL PEG-2 HYDROXYPROPYL HYDROXYETHYL ETHYLCELLULOSE
A gentle, semi-synthetic thickener that improves product texture and stability without common irritation concerns.
Irritation
low
Source
semi-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 cleansing ingredient that helps remove dirt and oil without stripping the skin, but may cause mild irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A gentle, plant-derived emollient that hydrates without heaviness, ideal for sensitive and oily skin types.
Irritation
low
Source
natural
A gentle, plant-derived emollient that softens skin without clogging pores, ideal for dry or sensitive skin types.
Irritation
low
Source
natural
A mild, plant-based surfactant that cleanses without stripping the skin's natural moisture barrier.
Irritation
low
Source
natural
A gentle, plant-derived emollient that softens skin and helps other ingredients absorb without clogging pores.
Irritation
low
Source
natural
A gentle emulsifier that helps mix water and oil, making creams and lotions smooth and stable.
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, lightweight synthetic oil that helps products spread smoothly and dissolve makeup without feeling greasy.
Irritation
low
Source
synthetic
A gentle synthetic polymer that forms a flexible film on skin or hair, improving product feel and longevity without clogging pores.
Irritation
low
Source
synthetic
A safe, lightweight emollient that helps products spread smoothly and leaves a non-greasy feel.
Irritation
low
Source
synthetic
A silky, plant-derived emollient that feels lightweight and non-greasy, making it a great alternative to silicones.
Irritation
low
Source
natural
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 safe, lightweight synthetic oil that helps products spread smoothly and feel non-greasy, but offers no active skincare benefits.
Irritation
low
Source
synthetic
A gentle, plant-derived emollient that spreads easily and leaves skin feeling smooth without clogging pores.
Irritation
low
Source
natural
A silky, non-greasy emollient that improves product feel and spreadability, with a low risk of irritation or clogged pores.
Irritation
low
Source
semi-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, effective cleansing ingredient that helps remove dirt and oil without stripping the skin.
Irritation
low
Source
semi-synthetic
A gentle synthetic emollient that makes products feel smooth and creamy without heavy greasiness.
Irritation
low
Source
synthetic
A safe, lightweight synthetic oil that helps products spread smoothly and feel non-greasy, but offers no active skincare benefits.
Irritation
low
Source
synthetic
A gentle synthetic emollient that helps products feel smooth and spread easily, with a low risk of irritation or clogging pores.
Irritation
low
Source
synthetic
A lightweight, synthetic emollient that softens skin without clogging pores, commonly used to improve product texture and spreadability.
Irritation
low
Source
synthetic
A gentle thickening and emollient ingredient that helps create a smooth, creamy texture in skincare products.
Irritation
low
Source
synthetic
A gentle, plant-derived emollient that provides a silky feel and helps other ingredients absorb without clogging pores.
Irritation
low
Source
natural
A gentle, non-greasy emollient derived from plant sources that helps soften skin and improve product texture.
Irritation
low
Source
natural
Antistatic Agent
C14-20 Isoalkylamidopropylethyldimonium Ethosulfate
A gentle synthetic conditioner that reduces static and softens hair without heavy buildup.
Irritation
low
Source
synthetic
A safe, non-drying fatty alcohol blend that helps create a smooth, creamy texture without clogging pores.
Irritation
low
Source
synthetic
A gentle, plant-derived emollient that provides a silky, non-greasy feel without clogging pores.
Irritation
low
Source
natural
A gentle fatty acid blend that helps cleanse without stripping the skin.
Irritation
low
Source
natural
A gentle synthetic fatty acid that helps soften skin and stabilize formulas without common irritation.
Irritation
low
Source
synthetic
A gentle, synthetic wax that helps thicken and stabilize formulas, giving a smooth, non-greasy feel.
Irritation
low
Source
synthetic
C15-18 Glycol is a gentle emollient that helps soften skin and improve product texture without clogging pores.
Irritation
low
Source
synthetic
A gentle, plant-derived emollient that provides a silky feel without clogging pores or causing irritation.
Irritation
low
Source
natural
A safe, lightweight synthetic oil that helps products spread smoothly and leaves a non-greasy feel.
Irritation
low
Source
synthetic
A gentle, plant-derived emollient that provides a silky feel without clogging pores or causing irritation.
Irritation
low
Source
natural
A synthetic emollient that helps products spread smoothly and feel silky, but offers no active skin benefits.
Irritation
low
Source
synthetic
A gentle, non-greasy emollient that helps soften skin and improve product texture without clogging pores.
Irritation
low
Source
synthetic
A lightweight, silky emollient that helps products spread smoothly without clogging pores.
Irritation
low
Source
synthetic
Emollient
C16-18 HYDROXYALKYL HYDROXYDIMERDILINOLEYL ETHER
A gentle, non-greasy emollient that helps soften and smooth skin without clogging pores.
Irritation
low
Source
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 gentle, plant-derived emollient that provides a silky feel without clogging pores or causing irritation.
Irritation
low
Source
natural
A gentle synthetic wax that helps skin feel smooth and soft without clogging pores.
Irritation
low
Source
synthetic
A gentle, non-greasy emollient that improves product texture and skin feel without clogging pores.
Irritation
low
Source
synthetic
A gentle synthetic ingredient that helps creams feel silky and keeps oil and water mixed together.
Irritation
low
Source
synthetic
A synthetic emollient that helps soften and smooth skin with a low risk of irritation or clogged pores.
Irritation
low
Source
synthetic
A gentle, plant-derived emollient that hydrates and softens skin without clogging pores.
Irritation
low
Source
natural
A gentle, modified guar gum that improves texture and provides light conditioning without heavy buildup.
Irritation
low
Source
semi-synthetic
Antistatic Agent
C18-22 Isoalkylamidopropylethyldimonium Ethosulfate
A gentle synthetic conditioning ingredient that reduces static and improves manageability in hair products, with low irritation potential.
Irritation
low
Source
synthetic
A synthetic, lightweight oil that helps products glide on smoothly without feeling heavy, generally well-tolerated by most skin types.
Irritation
low
Source
synthetic