A gentle conditioning polymer that smooths hair and skin without heavy buildup, making it a good choice for fine hair or sensitive skin.
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 conditioning polymer that smooths hair and skin without heavy buildup, making it a good choice for fine hair or sensitive skin.
Irritation
low
Source
semi-synthetic
A synthetic conditioning agent that reduces static and softens hair, but may cause irritation for sensitive scalps at high concentrations.
Irritation
moderate
Source
synthetic
A synthetic conditioner that reduces static and softens hair, but may cause irritation or clog pores in sensitive individuals.
Irritation
moderate
Source
synthetic
Hair Conditioning Agent
DI-C12-20 ALKYL DIMONIUM CELLULOSE SULFATE
A gentle, cellulose-based conditioning agent that helps detangle and soften hair without heavy buildup.
Irritation
low
Source
semi-synthetic
A synthetic conditioning agent that reduces static and softens hair, but may be too heavy for fine or oily hair and can cause irritation in sensitive skin.
Irritation
moderate
Source
synthetic
A synthetic polymer that helps hair feel smooth and reduces frizz, but it's not a moisturizer or repair ingredient.
Irritation
low
Source
synthetic
A synthetic molecule that helps slow hair thinning by improving the anchoring of hair fibers in the scalp.
Irritation
low
Source
synthetic
Hair growth stimulant
Diaminopyrimidine Oxide Oxothiazolidinecarboxylate
A synthetic compound that may help reduce hair shedding and support thicker-looking hair by targeting follicle stem cells.
Irritation
low
Source
synthetic
An effective but strong reducing agent for permanent hair restructuring; requires careful handling to avoid scalp irritation and hair damage.
Irritation
moderate
Source
synthetic
Hair Conditioning Agent
DIBEHENAMIDOPROPYLDIMETHYLAMINE DILINOLEATE
A gentle synthetic conditioner that helps detangle hair and soften skin without heavy buildup.
Irritation
low
Source
synthetic
A gentle emulsifier and hair conditioner that helps create smooth, creamy textures in rinse-off and leave-on products.
Irritation
low
Source
synthetic
A gentle conditioning ingredient that reduces static and softens hair without heavy buildup.
Irritation
low
Source
synthetic
A gentle, effective conditioning ingredient that reduces static and improves manageability without heavy buildup.
Irritation
low
Source
synthetic
A gentle, synthetic conditioning ingredient that helps soften hair and reduce static without heavy buildup.
Irritation
low
Source
synthetic
A gentle synthetic conditioner that reduces static and softens hair without heavy buildup.
Irritation
low
Source
synthetic
A gentle synthetic conditioner that reduces static and softens hair without heavy buildup, but may not suit very fine or oily hair types.
Irritation
low
Source
synthetic
A gentle synthetic conditioner that helps soften hair and skin without heavy buildup.
Irritation
low
Source
synthetic
Dicocodimonium Chloride is a synthetic conditioning agent that reduces static and softens hair, but may cause irritation or clog pores in sensitive individuals.
Irritation
moderate
Source
synthetic
Antistatic Agent
Dicocoylethyl Hydroxyethylmonium Methosulfate
A mild, coconut-derived conditioning ingredient that smooths hair and reduces static without weighing it down.
Irritation
low
Source
semi-synthetic
Film Former
DICYCLOPENTADIENE/ISOPENTENE/ISOPRENE/STYRENE COPOLYMER
A synthetic polymer that helps products stay put and resist water, but offers no active skincare benefit.
Irritation
low
Source
synthetic
A mild conditioning ingredient that helps reduce static and improve softness, but may not suit extremely sensitive scalps.
Irritation
low
Source
semi-synthetic
A synthetic film-former that helps products stay put, but may cause irritation for sensitive skin or eyes.
Irritation
moderate
Source
synthetic
A mild, coconut-derived conditioning agent that helps products spread evenly and leaves hair feeling soft without heavy buildup.
Irritation
low
Source
semi-synthetic
Film Former
DIETHYLENE GLYCOL/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
DIETHYLENE GLYCOLAMINE/EPICHLOROHYDRIN/PIPERAZINE COPOLYMER
A synthetic polymer that helps hold hairstyles in place by forming a flexible film on hair, but it may cause buildup or stiffness with heavy use.
Irritation
low
Source
synthetic
A synthetic polymer that helps products stay put longer, but offers no active skincare benefit.
Irritation
low
Source
synthetic
Hair Conditioning Agent
Dihydrogenated Palmoethyl Hydroxyethylmonium Methosulfate
A mild, plant-derived conditioning agent that softens hair without heavy buildup.
Irritation
low
Source
semi-synthetic
Hair Conditioning Agent
Dihydrogenated Palmoylethyl Hydroxyethylmonium Methosulfate
A mild, palm-derived conditioning ingredient that smooths hair without heavy buildup.
Irritation
low
Source
semi-synthetic
Antistatic Agent
Dihydrogenated Tallow Benzylmonium Chloride
A conditioning agent that reduces static and softens hair, but may cause irritation or clog pores in sensitive individuals.
Irritation
moderate
Source
semi-synthetic
Antistatic Agent
Dihydrogenated Tallow Hydroxyethylmonium Methosulfate
A gentle conditioning ingredient derived from tallow that reduces static and softens hair without heavy buildup.
Irritation
low
Source
semi-synthetic
An effective conditioning agent for dry or damaged hair, but may be too heavy for fine hair or oily skin.
Irritation
moderate
Source
semi-synthetic
A synthetic film-forming ingredient that helps products spread smoothly and hold their shape, but its safety data is limited and it may not suit sensitive or acne-prone skin.
Irritation
low
Source
synthetic
Antistatic Agent
Dihydrogenated Tallowamidoethyl Hydroxyethylmonium Methosulfate
A gentle conditioning ingredient that reduces static and softens hair without heavy buildup.
Irritation
low
Source
semi-synthetic
Antistatic Agent
Dihydrogenated Tallowethyl Hydroxyethylmonium Methosulfate
A gentle conditioning ingredient that reduces static and softens hair without heavy buildup.
Irritation
low
Source
semi-synthetic
Antistatic Agent
Dihydrogenated Tallowoylethyl Hydroxyethylmonium Methosulfate
A gentle conditioning ingredient that reduces static and softens hair without heavy buildup.
Irritation
low
Source
semi-synthetic
A gentle emulsifier and conditioner from soybean oil that helps blend oils and water while softening hair and skin, but may be too heavy for oily or acne-prone types.
Irritation
low
Source
semi-synthetic
A gentle, conditioning surfactant that helps create rich foam without stripping the skin or hair.
Irritation
low
Source
semi-synthetic
A mild, effective conditioning agent that leaves skin and hair feeling soft without heavy buildup.
Irritation
low
Source
semi-synthetic
A gentle conditioning ingredient that softens hair and skin, but may be too heavy for oily or acne-prone skin.
Irritation
low
Source
semi-synthetic
A gentle conditioning ingredient that softens hair but may be too heavy for oily scalps or acne-prone skin.
Irritation
low
Source
semi-synthetic
A synthetic film-forming polymer that helps products stay put, but its animal-derived origin may not suit everyone.
Irritation
low
Source
synthetic
Hair Conditioning Agent
DIHYDROXYETHYLAMINO HYDROXYPROPYL OLEATE
A mild, plant-derived conditioning agent that helps detangle hair and soften skin without heavy buildup.
Irritation
low
Source
semi-synthetic
Antistatic Agent
DIHYDROXYPROPYL PEG-10 STEARAMMONIUM CHLORIDE
A synthetic conditioning ingredient that helps detangle and soften hair, but may not suit very fine or easily weighed-down hair types.
Irritation
low
Source
synthetic
Antistatic Agent
DIHYDROXYPROPYL PEG-5 LINOLEAMMONIUM CHLORIDE
A mild, water-soluble conditioning ingredient that helps reduce static and improve hair manageability without weighing hair down.
Irritation
low
Source
semi-synthetic
A gentle antistatic and conditioning ingredient that helps reduce flyaways and improve hair feel without heavy buildup.
Irritation
low
Source
synthetic
Film Former
DIISOPROPANOLAMINE/METHYLHEXAHYDROPHTHALIC ANHYDRIDE NONANOATE COPOLYMER
A synthetic film-former that helps products stay put, but offers no active skincare benefit.
Irritation
low
Source
synthetic
Antistatic Agent
Diisostearamidopropyl Epoxypropylmonium Chloride
A synthetic conditioning ingredient that reduces static and smooths hair, but may cause buildup with frequent use.
Irritation
low
Source
synthetic
A gentle conditioning ingredient that reduces static and softens hair without heavy buildup.
Irritation
low
Source
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 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, 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
Antistatic Agent
Dimethicone Hydroxypropyl Trimonium Chloride
A gentle silicone-based conditioner that smooths hair and fights frizz without heavy buildup.
Irritation
low
Source
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-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 silicone derivative that helps products spread smoothly and form a film, but its phthalate component raises some safety questions.
Irritation
low
Source
synthetic