A gentle, lightweight emollient that hydrates and softens skin without clogging pores, ideal for oily and sensitive skin types.
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, lightweight emollient that hydrates and softens skin without clogging pores, ideal for oily and sensitive skin types.
Irritation
low
Source
semi-synthetic
A lightweight, non-greasy emollient that softens skin without clogging pores, ideal for oilier or acne-prone skin types.
Irritation
low
Source
semi-synthetic
A gentle, non-greasy emollient that helps soften and smooth the skin without clogging pores.
Irritation
low
Source
synthetic
A lightweight, non-greasy emollient that softens skin without clogging pores, ideal for sensitive and oily skin types.
Irritation
low
Source
synthetic
A pine-derived film former that helps makeup last longer and resist water, but may feel tacky or heavy on some skin types.
Irritation
low
Source
semi-synthetic
A gentle emulsifier that helps water and oil mix, making creams feel smooth without common irritation.
Irritation
low
Source
semi-synthetic
A gentle synthetic emollient that hydrates and smooths skin without clogging pores, ideal for sensitive and oily skin types.
Irritation
low
Source
synthetic
Propenyl p-Cymene is a synthetic fragrance ingredient that adds scent to products but may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
Propionic acid is an effective preservative but can be irritating at higher concentrations, so it's best for well-formulated products.
Irritation
moderate
Source
synthetic
A gentle, modified collagen amino acid that helps hydrate and support skin firmness without irritation.
Irritation
low
Source
semi-synthetic
A fermented propolis extract that may help soothe and protect the skin, though research is still emerging.
Irritation
low
Source
biotech
A bee-derived ingredient that helps calm irritation and provides antioxidant protection, but may not suit those with bee product allergies.
Irritation
low
Source
natural
A gentle synthetic humectant that helps hydrate skin and improve product feel without common irritation.
Irritation
low
Source
synthetic
A specialized silicone that helps sunscreens stay effective and feel lightweight, but it's purely synthetic and not a moisturizer.
Irritation
low
Source
synthetic
Propyl Acetate helps products spread and dry quickly, but it can be drying or irritating for sensitive skin, especially around nails.
Irritation
moderate
Source
synthetic
Propyl alcohol is a solvent that helps ingredients mix and can kill bacteria, but it may strip moisture and irritate sensitive or dry skin.
Irritation
moderate
Source
synthetic
Propyl benzoate is a synthetic fragrance ingredient that helps scent and stabilize products, but it offers no direct skin benefit and may be a concern for those avoiding synthetic fragrances.
Irritation
low
Source
synthetic
Propyl Butyrate is a synthetic ester used mainly for its light, fruity scent; it is generally considered safe at low levels but offers no direct skin benefit.
Irritation
low
Source
synthetic
A gentle, effective cleansing ingredient that helps products foam and rinse clean without stripping the skin.
Irritation
low
Source
semi-synthetic
Propyl Gallate is a reliable preservative booster that helps keep your products fresh, but it's best for those without sensitive skin.
Irritation
low
Source
synthetic
A synthetic film-former that helps nail polish last longer, but may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A lightweight, non-greasy emollient that helps soften skin without clogging pores.
Irritation
low
Source
synthetic
A semi-synthetic antioxidant that combines grape seed benefits with better oil compatibility, but research is still limited.
Irritation
low
Source
semi-synthetic
Propyl Phenylacetate is a synthetic fragrance ingredient that adds a sweet, honey-like scent to products; it is generally considered safe at low concentrations but offers no skincare benefits.
Irritation
low
Source
synthetic
A mild synthetic solvent and fragrance ingredient that is generally safe at low concentrations but offers no direct skin benefit.
Irritation
low
Source
synthetic
An effective hair conditioner and antistatic agent, but may cause irritation or clog pores in sensitive individuals.
Irritation
moderate
Source
synthetic
A gentle silicone that makes products feel silky and helps them glide on without clogging pores.
Irritation
low
Source
synthetic
Film Former
PROPYL TRIMETHICONE METHACRYLATE CROSSPOLYMER
A silicone polymer that forms a flexible, breathable film on skin to improve product wear and feel.
Irritation
low
Source
synthetic
A lightweight silicone that gives a smooth, silky feel without clogging pores or causing irritation.
Irritation
low
Source
synthetic
A lightweight, non-greasy emollient that softens skin and improves product texture with low irritation potential.
Irritation
low
Source
synthetic
Propylene carbonate is an effective solvent but can be irritating for sensitive skin; it's best reserved for rinse-off or low-concentration formulas.
Irritation
moderate
Source
synthetic
Propylene glycol is a widely used, effective humectant and solvent, but it can be irritating for sensitive skin at high concentrations.
Irritation
moderate
Source
synthetic
A gentle, seaweed-based thickener that improves product feel and stability without common irritation concerns.
Irritation
low
Source
semi-synthetic
A gentle, non-greasy emollient that helps thicken and soften products without clogging pores.
Irritation
low
Source
synthetic
A functional solvent that helps products spread and mix, but may cause irritation for sensitive skin at higher concentrations.
Irritation
moderate
Source
synthetic
A gentle emulsifier that helps mix water and oil in skincare products, with a low risk of irritation or clogged pores.
Irritation
low
Source
semi-synthetic
A gentle, lightweight emollient that helps soften skin and improve product texture without clogging pores.
Irritation
low
Source
semi-synthetic
A gentle emollient that helps products spread smoothly and leaves skin feeling soft without greasiness.
Irritation
low
Source
semi-synthetic
A gentle synthetic emollient that helps products feel smooth without clogging pores.
Irritation
low
Source
synthetic
A gentle, water-attracting ingredient that helps keep skin hydrated and balanced without common irritations.
Irritation
low
Source
semi-synthetic
A synthetic ester that improves product texture and flexibility, especially in nail and lip formulas, with a low irritation profile.
Irritation
low
Source
synthetic
A gentle, non-greasy emollient that softens skin and improves product feel without clogging pores.
Irritation
low
Source
synthetic
A lightweight, non-greasy emollient that softens skin and improves product feel without clogging pores.
Irritation
low
Source
synthetic
A lightweight, synthetic emollient that helps products spread smoothly without clogging pores or feeling heavy.
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, coconut-derived emollient that helps soften skin without clogging pores, making it a good choice for sensitive and acne-prone skin types.
Irritation
low
Source
synthetic
A lightweight synthetic emollient that spreads easily and leaves a silky finish, generally well-tolerated by most skin types.
Irritation
low
Source
synthetic
A lightweight synthetic emollient that helps products spread smoothly without feeling heavy or greasy.
Irritation
low
Source
synthetic
A lightweight, non-greasy emollient that helps products glide on smoothly without clogging pores.
Irritation
low
Source
synthetic
A synthetic emollient that makes products feel smooth and creamy, but may clog pores for some skin types.
Irritation
low
Source
synthetic
A synthetic emollient that softens skin and improves product feel, but may be moderately pore-clogging for some.
Irritation
low
Source
synthetic
A synthetic emollient that softens skin but may clog pores for some people.
Irritation
low
Source
synthetic
A lightweight, synthetic emollient that softens skin without clogging pores, commonly used to improve product texture.
Irritation
low
Source
synthetic
Film Former
PROPYLENE GLYCOL DIRICINOLEATE/IPDI COPOLYMER
A synthetic polymer that helps makeup and skincare stay put longer without feeling heavy or sticky.
Irritation
low
Source
synthetic
A gentle synthetic emollient that helps create a smooth, creamy texture in skincare products without clogging pores.
Irritation
low
Source
synthetic
A gentle, non-greasy emollient that improves skin feel and helps other ingredients spread evenly.
Irritation
low
Source
synthetic
A lightweight, non-greasy emollient that softens skin and improves product feel without clogging pores.
Irritation
low
Source
synthetic
A gentle emollient and emulsifier that helps products feel smooth and spread easily, with a low risk of irritation or clogged pores.
Irritation
low
Source
synthetic
A gentle, semi-synthetic emollient that helps skincare products glide on smoothly without a greasy feel.
Irritation
low
Source
semi-synthetic
A gentle synthetic emulsifier that helps water and oil mix in your skincare products, generally well-tolerated by most skin types.
Irritation
low
Source
synthetic