A synthetic bonding agent that helps nail products stick better, but may cause irritation in sensitive individuals.
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
A synthetic bonding agent that helps nail products stick better, but may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A synthetic film-former that helps makeup last longer and resist water, but may feel tight or dry on sensitive skin.
Irritation
low
Source
synthetic
A synthetic polymer that helps products spread smoothly and form a light, non-greasy film on skin.
Irritation
low
Source
synthetic
A gentle silicone emulsifier that helps products spread smoothly and feel silky without clogging pores.
Irritation
low
Source
synthetic
A synthetic solvent that helps other ingredients dissolve and improves product feel, but offers no direct skin benefit.
Irritation
low
Source
synthetic
A gentle synthetic ingredient that helps products feel silky and stay put without clogging pores or causing irritation.
Irritation
low
Source
synthetic
Film Former
BIS-METHYLISOCYTOSINE HYDROGENATED POLYBUTADIENE/IPDI COPOLYMER
A synthetic film former that helps makeup and sunscreen stay put, but offers no active skincare benefit.
Irritation
low
Source
synthetic
Film Former
BIS-OCTYLDODECYL DIMER DILINOLEATE/PROPANEDIOL COPOLYMER
A gentle film-forming polymer that improves product feel and wear without common irritation concerns.
Irritation
low
Source
synthetic
A gentle synthetic conditioner that helps soften hair and skin without heavy buildup, but offers limited additional benefits.
Irritation
low
Source
synthetic
A lab-enhanced version of a natural algae sunscreen compound that shows promise for UV protection, but human research is still limited.
Irritation
low
Source
semi-synthetic
A gentle emulsifier that helps blend oil and water, improving product texture and stability without common irritation concerns.
Irritation
low
Source
synthetic
A gentle synthetic emollient that helps skin feel smooth and soft, but it's not a powerhouse active.
Irritation
low
Source
synthetic
A gentle silicone that hydrates and smooths skin without a heavy or greasy feel.
Irritation
low
Source
semi-synthetic
A gentle silicone emulsifier that helps create smooth, stable formulas without heavy or greasy feel.
Irritation
low
Source
synthetic
A silicone polymer that creates a flexible, water-resistant film on skin for longer-lasting wear and a smooth feel.
Irritation
low
Source
synthetic
A gentle silicone emulsifier that improves product texture and spreadability without clogging pores.
Irritation
low
Source
semi-synthetic
Film Former
BIS-PEG-10 DIMETHICONE/DIMER DILINOLEATE COPOLYMER
A silicone copolymer that helps products spread smoothly, feel silky, and stay put longer without clogging pores.
Irritation
low
Source
semi-synthetic
A gentle silicone emulsifier that improves product texture and feel without common silicone downsides.
Irritation
low
Source
semi-synthetic
A gentle silicone-modified wax that helps products spread smoothly and feel silky without clogging pores.
Irritation
low
Source
semi-synthetic
A gentle silicone-wax hybrid that smooths skin, reduces water loss, and improves product texture without heavy greasiness.
Irritation
low
Source
semi-synthetic
A synthetic silicone polymer that helps products stay put longer, especially in sunscreens and long-wear makeup.
Irritation
low
Source
synthetic
A gentle silicone emulsifier that helps create smooth, spreadable formulas without clogging pores or causing irritation.
Irritation
low
Source
synthetic
A gentle silicone emulsifier that helps create smooth, lightweight textures without clogging pores.
Irritation
low
Source
synthetic
A gentle silicone humectant that hydrates and smooths skin without clogging pores, ideal for sensitive and oily skin types.
Irritation
low
Source
semi-synthetic
A gentle silicone emulsifier that improves product texture and helps ingredients mix together without clogging pores.
Irritation
low
Source
synthetic
A gentle, PEG-based emulsifier that helps create stable, lightweight formulas without heavy residue.
Irritation
low
Source
semi-synthetic
A gentle silicone emulsifier that improves product texture and spreadability without common silicone downsides.
Irritation
low
Source
semi-synthetic
A gentle silicone emulsifier that improves product texture and spreadability without clogging pores or causing irritation.
Irritation
low
Source
semi-synthetic
A gentle silicone emulsifier that helps products feel silky and spread easily without clogging pores.
Irritation
low
Source
semi-synthetic
A gentle silicone emulsifier that improves texture and spreadability without clogging pores.
Irritation
low
Source
semi-synthetic
A gentle silicone emulsifier that helps products spread smoothly and feel silky without clogging pores.
Irritation
low
Source
semi-synthetic
A gentle silicone emulsifier that creates smooth, spreadable textures without clogging pores.
Irritation
low
Source
semi-synthetic
A gentle silicone emulsifier that creates smooth, spreadable textures and helps formulas feel lightweight.
Irritation
low
Source
synthetic
A gentle silicone emulsifier that improves texture and spreadability without clogging pores.
Irritation
low
Source
semi-synthetic
A gentle silicone emulsifier that improves texture and spreadability without clogging pores.
Irritation
low
Source
semi-synthetic
A synthetic polymer that helps makeup and sunscreen stay put longer, especially in water or sweat.
Irritation
low
Source
synthetic
Film Former
BIS-PENTAERYTHRITOL TRIACRYLATE/SMDI COPOLYMER
A synthetic film-former that helps makeup and sunscreen stay put longer, but may feel tight or heavy on very dry skin.
Irritation
low
Source
synthetic
Film Former
BIS-PHENYLISOPROPYL PHENYLISOPROPYL DIMETHICONE/VINYL DIMETHICONE CROSSPOLYMER
A high-performance silicone that creates a smooth, silky feel on skin without clogging pores or causing irritation.
Irritation
low
Source
synthetic
A gentle silicone that gives products a silky feel and helps them glide on smoothly without clogging pores.
Irritation
low
Source
synthetic
A gentle silicone emulsifier that creates silky, spreadable textures without clogging pores or causing irritation.
Irritation
low
Source
semi-synthetic
Emulsifier
BIS-(POLYGLYCERYL-7 OXYPHENYLPROPYL) DIMETHICONE
A gentle silicone emulsifier that creates silky, stable formulas without clogging pores or causing irritation.
Irritation
low
Source
semi-synthetic
Film Former
BIS-PPG-15 DIMETHICONE IPDI COPOLYMER C30-50 ALKYLCARBAMATE
A synthetic silicone polymer that helps makeup last longer and resist water, but may feel heavy on some skin types.
Irritation
low
Source
synthetic
A synthetic silicone polymer that helps makeup and sunscreen stay put without feeling heavy or greasy.
Irritation
low
Source
synthetic
A gentle silicone emulsifier that improves product texture and stability without clogging pores.
Irritation
low
Source
synthetic
A gentle, next-generation retinoid alternative that targets fine lines and uneven texture with less irritation than retinol.
Irritation
low
Source
synthetic
Anti-Aging Agent
BIS-RETINOYL GEROTINE BIS-HYDROXYSUCCINIMIDE
A gentle retinoid alternative that aims to smooth wrinkles and improve skin texture with less irritation than traditional retinol.
Irritation
low
Source
semi-synthetic
A novel peptide-algae hybrid that may help protect skin from environmental stress, but research is still early.
Irritation
low
Source
semi-synthetic
A novel peptide-marine extract hybrid that may help protect skin from UV-related damage, but human studies are limited.
Irritation
low
Source
semi-synthetic
A novel peptide-algae hybrid that may help protect skin from UV damage and support collagen, but clinical evidence is still limited.
Irritation
low
Source
semi-synthetic
A gentle silicone ingredient that leaves skin feeling silky smooth without clogging pores.
Irritation
low
Source
synthetic
A gentle silicone emulsifier that creates smooth, stable formulas without clogging pores or irritating skin.
Irritation
low
Source
synthetic
A gentle silicone that gives a silky, smooth feel to products without clogging pores or causing irritation.
Irritation
low
Source
synthetic
A synthetic film-former that helps products stay put, but offers no active skincare benefit.
Irritation
low
Source
synthetic
A synthetic polymer that helps products stay put and resist water, but may feel heavy on some skin types.
Irritation
low
Source
synthetic
UV Stabilizer
BIS-(TETRAMETHYL HYDROXYPIPERIDINYL) SEBACATE
A synthetic UV stabilizer that protects product formulas from light damage, but offers no direct skin benefit.
Irritation
low
Source
synthetic
A gentle silicone that helps products glide on smoothly and leaves a silky, non-greasy finish.
Irritation
low
Source
synthetic
Film Former
BIS-TRIMETHOXYSILYLETHYL TETRAMETHYLDISILOXYETHYL DIMETHICONE
A gentle, non-comedogenic silicone that improves product feel and wear without clogging pores or causing irritation.
Irritation
low
Source
synthetic
A synthetic photoinitiator that makes UV-cured nail products harden quickly, but may cause skin irritation or allergic reactions in some people.
Irritation
moderate
Source
synthetic
Film Former
BIS-VINYLDIMETHICONE/BIS-ISOBUTYL PPG-20 CROSSPOLYMER
A silicone polymer that gives products a silky, smooth feel and helps them stay put without clogging pores.
Irritation
low
Source
synthetic
A silicone polymer that creates a smooth, flexible film on skin or hair, improving product feel and wear without clogging pores.
Irritation
low
Source
synthetic