An effective synthetic surfactant that helps cleanse and emulsify, but may be drying or irritating 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
An effective synthetic surfactant that helps cleanse and emulsify, but may be drying or irritating for sensitive skin.
Irritation
moderate
Source
synthetic
A gentle, citrate-based surfactant that helps cleanse without stripping the skin's natural moisture barrier.
Irritation
low
Source
semi-synthetic
A gentle, stable vitamin C derivative that brightens skin and fights free radicals without the sting or instability of pure ascorbic acid.
Irritation
low
Source
semi-synthetic
A silicone-based film former that helps products stay put and feel silky, but offers no active skincare benefits.
Irritation
low
Source
synthetic
A gentle synthetic conditioner that reduces static and softens hair without heavy buildup.
Irritation
low
Source
synthetic
A gentle synthetic emollient that softens skin and improves product feel without heavy greasiness.
Irritation
low
Source
synthetic
A synthetic polymer that creates a flexible, water-resistant film on skin, ideal for long-wear and waterproof formulas.
Irritation
low
Source
synthetic
A synthetic stabilizer that helps keep oils fresh, but it's not a star active for skin benefits.
Irritation
low
Source
synthetic
A synthetic conditioning ingredient that smooths hair and reduces static, but may cause irritation or clog pores in sensitive individuals.
Irritation
moderate
Source
synthetic
A gentle conditioning ingredient that improves softness and manageability without heavy buildup.
Irritation
low
Source
semi-synthetic
Conditioning Agent
DILINOLEAMIDOPROPYL DIMETHYLAMINE DIMETHICONE PEG-7 PHOSPHATE
A gentle silicone hybrid that conditions hair and skin without heavy buildup, but its complex chemistry may not suit minimalists.
Irritation
low
Source
semi-synthetic
A gentle, barrier-strengthening fatty acid that helps lock in moisture without clogging pores.
Irritation
low
Source
semi-synthetic
Film Former
DILINOLEIC ACID/SEBACIC ACID/PIPERAZINE/ETHYLENEDIAMINE COPOLYMER
A synthetic polymer that helps makeup and sunscreen stay put longer, but offers no direct skin benefit beyond its film-forming function.
Irritation
low
Source
synthetic
A gentle, plant-derived film former that helps makeup and sunscreen last longer without clogging pores or irritating skin.
Irritation
low
Source
semi-synthetic
A synthetic polymer that helps products stay put and resist water, but offers no active skincare benefit.
Irritation
low
Source
synthetic
A gentle film-forming polymer that helps skincare and makeup stay put without clogging pores or irritating skin.
Irritation
low
Source
semi-synthetic
A gentle film-forming polymer that helps products spread smoothly and stay put without clogging pores.
Irritation
low
Source
semi-synthetic
A synthetic film-former that helps makeup and skincare last longer without feeling heavy or sticky.
Irritation
low
Source
synthetic
Dill extract offers mild antioxidant and soothing benefits, but research on its cosmetic efficacy is still limited.
Irritation
low
Source
natural
Dill Herb Oil adds a fresh herbal scent and mild antimicrobial benefits, but can be irritating for sensitive skin.
Irritation
moderate
Source
natural
Dill leaf powder is a gentle botanical ingredient with antioxidant potential, but research on its cosmetic benefits is limited.
Irritation
low
Source
natural
Dill Seed Oil adds a fresh, herbal scent to skincare products and may offer mild antioxidant benefits, but it can be irritating for sensitive skin and is mainly used for fragrance.
Irritation
moderate
Source
natural
A gentle, conditioning surfactant that cleanses without stripping, ideal for sensitive or dry skin.
Irritation
low
Source
semi-synthetic
Conditioning Agent
Dimer Dilinoleamidopropyl PG-Dimonium Chloride Phosphate
A gentle conditioning ingredient that helps reduce static and improve softness without heavy buildup.
Irritation
low
Source
semi-synthetic
Film Former
DIMER DILINOLEATE/ETHYLENEDIAMINE COPOLYMER ACETATE
A synthetic film-former that helps products stay put, but offers no active skincare benefit.
Irritation
low
Source
synthetic
Film Former
DIETHYLENE GLYCOL/HYDROGENATED DIMER DILINOLEIC ACID COPOLYMER
A safe, synthetic film-former that helps products stay put and resist water without clogging pores.
Irritation
low
Source
synthetic
Film Former
Bis-Dioctadecylamide Dimer Dilinoleic Acid/Ethylenediamine Copolymer
A synthetic film-former that helps products stay put and resist water, but offers no active skincare benefits.
Irritation
low
Source
synthetic
Emollient
DIMER DILINOLEYL BIS-LAUROYL SARCOSINATE/MYRISTOYL METHYL BETA-ALANINATE
A lightweight, non-greasy emollient that helps soften skin and improve product feel without clogging pores.
Irritation
low
Source
synthetic
Skin Conditioning Agent
DIMER DILINOLEYL BIS-LAUROYLGLUTAMATE/LAUROYLSARCOSINATE
A gentle, amino-acid-based ingredient that helps condition skin and stabilize formulas without common irritation.
Irritation
low
Source
semi-synthetic
A gentle, non-greasy emollient that improves product texture and spreadability without clogging pores.
Irritation
low
Source
synthetic
A gentle, plant-derived emollient that forms a breathable film on skin to reduce water loss and improve product feel without clogging pores.
Irritation
low
Source
natural
Film Former
DIMER DILINOLEYL DIMER DILINOLEATE/IPDI COPOLYMER
A synthetic polymer that helps makeup and skincare stay put without feeling heavy or greasy.
Irritation
low
Source
synthetic
A film-forming ester that helps makeup and sunscreen stay put longer, but may feel heavy on oily skin.
Irritation
low
Source
semi-synthetic
A gentle, non-greasy emollient that helps soften and smooth the skin without clogging pores.
Irritation
low
Source
synthetic
Dimer Rosin is a modified tree resin that helps makeup and hair products stay put, but it may feel sticky or heavy on some skin types.
Irritation
low
Source
natural
A lab-made peptide that may help support collagen and improve skin firmness, but human studies are limited.
Irritation
low
Source
synthetic
A well-studied silicone that provides a silky feel and temporary barrier without clogging pores for most people.
Irritation
low
Source
synthetic
A gentle silicone that gives a smooth, matte finish without clogging pores — great for oily or combination skin.
Irritation
low
Source
synthetic
A gentle silicone powder that gives a silky finish and helps makeup stay put without clogging pores.
Irritation
low
Source
synthetic
A gentle silicone powder that gives a silky, matte finish and helps control shine without clogging pores.
Irritation
low
Source
synthetic
A gentle silicone emulsifier that improves product texture and stability without clogging pores.
Irritation
low
Source
semi-synthetic
A silicone polymer that helps products feel silky and last longer, but it's purely synthetic and not a treatment ingredient.
Irritation
low
Source
synthetic
A gentle silicone emulsifier that helps create stable, smooth formulas without heavy residue.
Irritation
low
Source
semi-synthetic
A gentle silicone derivative that smooths hair and skin without heavy buildup, but may not suit those avoiding all silicones or PEG compounds.
Irritation
low
Source
semi-synthetic
A gentle silicone emulsifier that improves texture and stability, but may not suit those avoiding silicones or ethoxylated ingredients.
Irritation
low
Source
semi-synthetic
A gentle silicone emollient that combines the smoothing power of dimethicone with the nourishing properties of avocado oil, making it a good choice for dry or sensitive skin.
Irritation
low
Source
semi-synthetic
A gentle silicone-coconut hybrid that helps mix oil and water, leaving skin and hair feeling soft without heavy residue.
Irritation
low
Source
semi-synthetic
A gentle silicone emulsifier that helps create smooth, spreadable products without heavy residue.
Irritation
low
Source
semi-synthetic
A gentle silicone derivative that improves product feel and skin softness, generally well-tolerated by most skin types.
Irritation
low
Source
semi-synthetic
A gentle silicone emulsifier that helps create smooth, stable formulas without heavy residue.
Irritation
low
Source
semi-synthetic
A gentle silicone emulsifier that helps create smooth, stable formulas while adding a light, non-greasy feel.
Irritation
low
Source
semi-synthetic
A gentle silicone emulsifier that helps mix water and oil, making formulas feel smooth without heavy residue.
Irritation
low
Source
semi-synthetic
A silicone-based emulsifier that helps formulas feel smooth and spread easily, but its phthalate component raises unnecessary concern despite being chemically different from controversial phthalates.
Irritation
low
Source
synthetic
A gentle silicone emulsifier that helps create smooth, spreadable products without heavy residue.
Irritation
low
Source
semi-synthetic
A gentle silicone-based cleanser that helps remove dirt and oil while leaving hair and skin feeling soft, but may not suit those avoiding silicones.
Irritation
low
Source
semi-synthetic
A gentle silicone emulsifier that helps products spread smoothly and feel silky, with very low irritation potential.
Irritation
low
Source
semi-synthetic
A gentle silicone emollient that helps products glide on smoothly and leaves skin feeling soft without clogging pores.
Irritation
low
Source
semi-synthetic
A hybrid silicone-and-avocado emollient that smooths skin and improves product feel without heavy greasiness.
Irritation
low
Source
semi-synthetic
A silicone-wax hybrid that gives products a smooth, silky feel and helps them stay put, but may feel heavy on oily skin.
Irritation
low
Source
semi-synthetic
A gentle silicone derivative that improves product texture and feel without clogging pores or causing irritation.
Irritation
low
Source
semi-synthetic