A gentle, starch-based ingredient that gives products a silky, non-greasy feel and helps stabilize formulas.
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, starch-based ingredient that gives products a silky, non-greasy feel and helps stabilize formulas.
Irritation
low
Source
semi-synthetic
A gentle, plant-based emulsifier that improves product texture and stability with a low risk of irritation.
Irritation
low
Source
semi-synthetic
A mild, effective emulsifier that helps create stable, creamy textures without common irritation.
Irritation
low
Source
semi-synthetic
A mild, starch-derived emulsifier that improves product feel and stability without common irritation concerns.
Irritation
low
Source
semi-synthetic
A gentle, starch-derived ingredient that improves product feel and stability without common irritation concerns.
Irritation
low
Source
semi-synthetic
A gentle texture enhancer that improves product feel and stability without common irritation concerns.
Irritation
low
Source
semi-synthetic
A gentle, starch-derived ingredient that improves product feel and stability without common irritants.
Irritation
low
Source
semi-synthetic
A gentle, starch-based ingredient that improves the feel and stability of products without common irritation concerns.
Irritation
low
Source
semi-synthetic
A gentle, plant-based emulsifier that gives creams a silky feel without clogging pores or irritating skin.
Irritation
low
Source
semi-synthetic
Emollient
DOCOSAHEXENOIC/DOCOSAPENTENOIC/OLEIC/PALMITIC TRIGLYCERIDE
A nourishing blend of omega fatty acids that helps soften skin and strengthen the moisture barrier without feeling greasy.
Irritation
low
Source
natural
A lightweight, non-greasy emollient that helps products spread smoothly and leaves skin feeling soft without clogging pores.
Irritation
low
Source
synthetic
A lightweight, non-greasy emollient that helps soften skin and improve product texture without clogging pores.
Irritation
low
Source
synthetic
A lightweight synthetic emollient that softens skin without clogging pores, ideal for oily or combination skin types.
Irritation
low
Source
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 lightweight, non-greasy emollient that helps soften skin and improve product texture with a low risk of irritation.
Irritation
low
Source
synthetic
A lightweight, non-greasy emollient that helps products spread smoothly and leaves skin feeling soft without clogging pores.
Irritation
low
Source
synthetic
A gentle, phosphate-based surfactant that helps cleanse without stripping the skin, making it a good choice for sensitive skin.
Irritation
low
Source
semi-synthetic
A mild synthetic surfactant that helps lift dirt and oil without stripping the skin.
Irritation
low
Source
synthetic
A mild synthetic surfactant that helps cleansers foam and rinse cleanly, but may be slightly drying for very sensitive skin.
Irritation
moderate
Source
synthetic
A mild synthetic surfactant that helps cleanse without stripping, but may cause irritation in sensitive skin at high concentrations.
Irritation
moderate
Source
synthetic
A gentle synthetic emulsifier that helps rinse away dirt and oil without stripping the skin.
Irritation
low
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 gentle, non-greasy emollient that helps soften skin and improve product texture without clogging pores.
Irritation
low
Source
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 gentle, plant-based emollient that makes skin feel smooth and soft without clogging pores—great for sensitive or oily skin types.
Irritation
low
Source
semi-synthetic
A gentle, non-greasy emollient that helps soften skin and improve product texture without clogging pores.
Irritation
low
Source
synthetic
A gentle, plant-derived emollient that improves product feel and skin softness without clogging pores.
Irritation
low
Source
semi-synthetic
A synthetic film-former that helps sunscreen and makeup stay put longer, especially in water or sweat.
Irritation
low
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 emollient that helps skincare products feel silky and spread easily, with a low risk of irritation or clogged pores.
Irritation
low
Source
synthetic
A gentle synthetic emollient that helps skincare products feel silky and spread easily without clogging pores.
Irritation
low
Source
synthetic
A gentle synthetic emollient that helps products glide on smoothly without greasiness, suitable for most skin types.
Irritation
low
Source
synthetic
A synthetic UV filter that protects skin from sun damage, but its use is limited by regional regulations and potential environmental concerns.
Irritation
low
Source
synthetic
UV Filter
DI-T-BUTYL HYDROXYPHENYLAMINO BISOCTYLTHIOTRIAZINE
A highly effective, photostable sunscreen ingredient that provides broad-spectrum protection without common irritation.
Irritation
low
Source
synthetic
A mild coconut-derived cleansing agent that helps create a rich lather without stripping the skin.
Irritation
low
Source
semi-synthetic
A gentle synthetic surfactant that cleanses without stripping the skin, often used in milder formulas.
Irritation
low
Source
synthetic
A mild synthetic surfactant that helps cleanse without stripping the skin, but it's not a standout ingredient on its own.
Irritation
low
Source
synthetic
Diacetin is a gentle humectant that helps keep skin hydrated and can improve the feel of skincare products.
Irritation
low
Source
synthetic
Diacetone alcohol is a synthetic solvent that helps dissolve other ingredients, but it can be drying and may cause irritation for sensitive skin.
Irritation
moderate
Source
synthetic
Diacetyl adds a buttery scent to cosmetics but is controversial due to respiratory risks from inhalation, especially in aerosolized products.
Irritation
moderate
Source
synthetic
An emerging semi-synthetic ingredient that may help support skin barrier function, but research is still limited.
Irritation
low
Source
semi-synthetic
A gentle antioxidant derived from boldo tree extract that may help calm skin and fight free radical damage.
Irritation
low
Source
semi-synthetic
A hybrid antioxidant that pairs resveratrol with alpha-lipoic acid for enhanced stability and skin penetration, but clinical research is still limited.
Irritation
low
Source
semi-synthetic
A food-grade emulsifier that helps creams and lotions stay smooth and stable, with a low risk of irritation.
Irritation
low
Source
semi-synthetic
A stable, potent antioxidant derived from turmeric that may help brighten skin and fight free radicals, but human studies are limited.
Irritation
low
Source
semi-synthetic
Diallyl sulfide is a natural sulfur compound with antimicrobial potential, but its strong odor and limited skincare research make it a niche ingredient.
Irritation
moderate
Source
natural
A synthetic peptide that may help firm skin and soften fine lines, with low irritation risk.
Irritation
low
Source
synthetic
Diammonium Citrate is a safe, low-irritation pH adjuster that helps keep your skincare products stable and gentle on skin.
Irritation
low
Source
synthetic
A behind-the-scenes stabilizer that helps keep your products fresh and effective by neutralizing trace metals.
Irritation
low
Source
synthetic
A gentle, sulfate-free surfactant that cleans without stripping the skin barrier, ideal for sensitive or dry skin.
Irritation
low
Source
semi-synthetic
A gentle, sulfate-free surfactant that cleanses effectively with low irritation potential, ideal for sensitive or dry skin.
Irritation
low
Source
synthetic
A gentle, sulfate-free surfactant that cleanses effectively while being kind to sensitive and dry skin types.
Irritation
low
Source
semi-synthetic
Diammonium phosphate is a safe, low-irritation pH adjuster that helps keep your products stable and effective, but it offers no direct skin benefit.
Irritation
low
Source
synthetic
A gentle, effective cleansing agent that creates foam without stripping the skin's natural moisture barrier.
Irritation
low
Source
synthetic
Diamylhydroquinone is a synthetic antioxidant that helps keep oils and lip products from going rancid, but it's not a star active for skin benefits.
Irritation
low
Source
synthetic
A natural, gritty powder that gently scrubs away dead skin and soaks up excess oil, but can be too harsh for sensitive or broken skin.
Irritation
moderate
Source
natural
An effective preservative that can release formaldehyde, making it a potential irritant for sensitive skin.
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 mild, plant-derived conditioning ingredient that smooths hair without heavy buildup, suitable for fine or sensitive hair.
Irritation
low
Source
semi-synthetic