A gentle, antioxidant-rich water lily extract that helps soothe and protect skin, but research is still emerging.
Irritation
low
Source
natural
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, antioxidant-rich water lily extract that helps soothe and protect skin, but research is still emerging.
Irritation
low
Source
natural
A gentle, plant-derived antioxidant that helps calm and protect the skin, especially suitable for sensitive or irritated skin types.
Irritation
low
Source
natural
A gentle, protein-rich moisturizer that helps hydrate and temporarily smooth the skin's surface, but may not be suitable for those with gluten sensitivity.
Irritation
low
Source
natural
A gentle, plant-based protein that helps hydrate and temporarily plump the skin, but may not be suitable for those with wheat allergies or gluten sensitivity.
Irritation
low
Source
natural
Film Former
WHEATGERMAMIDOPROPYL DIMETHYLAMINE HYDROLYZED WHEAT PROTEIN
A gentle, protein-based conditioner that helps strengthen hair and leaves skin feeling smooth without heavy residue.
Irritation
low
Source
natural
Film Former
HYDROLYZED WHEAT PROTEIN/PEG-20 ACETATE COPOLYMER
A gentle, modified wheat protein that helps hair and skin feel smoother and more hydrated without heavy buildup.
Irritation
low
Source
semi-synthetic
Film Former
HYDROLYZED WHEAT PROTEIN PG-PROPYL METHYLSILANEDIOL
A gentle, silicone-modified wheat protein that helps smooth hair and skin without heavy buildup.
Irritation
low
Source
semi-synthetic
Film Former
HYDROLYZED WHEAT PROTEIN PG-PROPYL SILANETRIOL
A gentle film-forming ingredient that helps hair feel smoother and skin look more refined, but may not suit those avoiding wheat-derived components.
Irritation
low
Source
semi-synthetic
Film Former
Hydrolyzed Wheat Protein/Cystine Bis-PG-Propyl Silanetriol Copolymer
A gentle conditioning polymer that helps hair feel smooth and look shiny without heavy buildup.
Irritation
low
Source
semi-synthetic
Hair Conditioning Agent
HYDROXYPROPYLTRIMONIUM HYDROLYZED WHEAT PROTEIN/SILOXYSILICATE
A gentle conditioning ingredient that smooths hair and skin without heavy buildup, but may not suit those avoiding silicones or wheat-derived ingredients.
Irritation
low
Source
semi-synthetic
A mild, protein-based cleanser that helps clean skin and hair while leaving them feeling soft and conditioned.
Irritation
low
Source
semi-synthetic
Conditioning agent
Hydrolyzed Wheat Protein/Dimethicone PEG-7 Acetate
A gentle conditioning ingredient that helps hair feel smoother and skin softer without heavy buildup.
Irritation
low
Source
semi-synthetic
Hair Conditioner
Hydrolyzed Wheat Protein/Dimethicone PEG-7 Phosphate Copolymer
A gentle conditioning polymer that adds slip and shine to hair and skin without heavy buildup.
Irritation
low
Source
semi-synthetic
A gentle film-forming ingredient that helps smooth hair and skin while providing light hold and environmental protection.
Irritation
low
Source
semi-synthetic
A gentle plant-derived ingredient that may help calm skin and fight free radical damage, though research is still emerging.
Irritation
low
Source
natural
A gentle, antioxidant-rich botanical extract that helps calm skin and defend against environmental stress, though research on its hydrolyzed form is still emerging.
Irritation
low
Source
natural
A gentle, antioxidant-rich botanical extract that may help calm irritated skin, but research on its cosmetic benefits is still limited.
Irritation
low
Source
natural
A gentle, antioxidant-rich botanical extract that helps calm skin and fight free radicals, but is not a substitute for medical treatment.
Irritation
low
Source
natural
A gentle protein derived from wool that helps strengthen hair and temporarily smooth the skin's surface, but may not be suitable for those with wool allergies.
Irritation
low
Source
natural
A gentle, hydrating ingredient that helps skin hold onto moisture without feeling heavy or sticky.
Irritation
low
Source
biotech
Hydrolyzed Yeast Extract is a gentle, multi-tasking ingredient that hydrates and supports skin barrier health, making it a good fit for most skin types.
Irritation
low
Source
natural
A gentle, milk-derived protein that helps hydrate and temporarily support the skin barrier, best for normal to dry skin types.
Irritation
low
Source
natural
Hydroquinone is a potent skin lightener for stubborn dark spots, but it requires careful use due to irritation and safety concerns.
Irritation
moderate
Source
synthetic
A synthetic antioxidant that helps stabilize formulas and protect skin from environmental stress, but research on direct skin benefits is still emerging.
Irritation
low
Source
synthetic
A synthetic UV filter that helps protect skin from sun damage, but with limited independent safety data compared to more common filters.
Irritation
low
Source
synthetic
A gentle, multifunctional ingredient that helps protect your skin from environmental stress and allows brands to use fewer harsh preservatives.
Irritation
low
Source
synthetic
A next-generation retinoid that aims to reduce fine lines and wrinkles with a gentler touch than traditional retinol.
Irritation
moderate
Source
semi-synthetic
A gentle mineral abrasive that helps polish skin and teeth without harshness, but its role in anti-aging is still emerging.
Irritation
low
Source
natural
Hydroxybenzaldehyde is a natural aromatic compound used for scent and mild antioxidant benefits, but it can be a skin sensitizer for some people.
Irritation
moderate
Source
natural
A synthetic antioxidant that may help defend skin against pollution and UV damage, but research is still early.
Irritation
low
Source
synthetic
A gentle preservative helper that extends product shelf life without the harshness of traditional preservatives.
Irritation
low
Source
synthetic
Hydroxybutyl Methacrylate is a synthetic polymer used mainly in nail products to create a durable, glossy film, but it may cause skin sensitivity in some individuals.
Irritation
moderate
Source
synthetic
A gentle, plant-derived thickener that improves product texture and stability without irritating skin.
Irritation
low
Source
semi-synthetic
Film Former
HYDROXYBUTYRIC ACID/HYDROXYPENTANOIC ACID COPOLYMER
A gentle, biodegradable film-former that helps products feel smooth and stay put without clogging pores.
Irritation
low
Source
biotech
A mild AHA that exfoliates and hydrates without the sting of stronger acids, ideal for sensitive skin.
Irritation
low
Source
synthetic
A synthetic ceramide mimic that strengthens the skin barrier and locks in moisture without irritation.
Irritation
low
Source
synthetic
A mild AHA that exfoliates without the sting, ideal for sensitive skin looking for gentle surface renewal.
Irritation
low
Source
synthetic
A gentle, skin-identical ingredient that strengthens the moisture barrier and calms sensitivity.
Irritation
low
Source
semi-synthetic
A gentle synthetic emulsifier that helps oil and water mix, making creams and lotions smooth and stable.
Irritation
low
Source
synthetic
Antistatic Agent
Hydroxycetyl Hydroxyethyl Dimonium Chloride
A gentle synthetic conditioning ingredient that helps detangle and soften hair without heavy buildup.
Irritation
low
Source
synthetic
A gentle synthetic ingredient that helps skin feel soft and hydrated by reducing water loss.
Irritation
low
Source
synthetic
Hydroxycetyl Isostearate is a gentle, non-greasy emollient that helps soften and smooth the skin without clogging pores.
Irritation
low
Source
synthetic
Hydroxycetyl Phosphate is a gentle synthetic emulsifier that helps create stable, smooth formulas without significant irritation or clogging concerns.
Irritation
low
Source
synthetic
A gentle plant-derived antioxidant that helps shield skin from pollution and UV damage, but is less studied than vitamin C or E.
Irritation
low
Source
natural
A lab-made peptide that may help improve skin firmness and smooth fine lines, but human studies are still limited.
Irritation
low
Source
synthetic
Hydroxycitronellal is a common synthetic fragrance that gives a floral scent, but it can be a skin sensitizer for some people, especially those with sensitive or allergy-prone skin.
Irritation
moderate
Source
synthetic
A synthetic floral scent ingredient that is generally safe at low levels but may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A synthetic floral scent ingredient that is generally safe but can be a skin sensitizer for some people.
Irritation
moderate
Source
synthetic
A synthetic fragrance ingredient that adds a floral, jasmine-like scent but may cause skin irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A synthetic fragrance blend that adds floral and animalic notes but may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A gentle synthetic antioxidant that may help protect skin from environmental damage, but research is still limited.
Irritation
low
Source
synthetic
A synthetic fragrance ingredient that provides a sweet, floral scent; generally considered safe at low concentrations but may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
A gentle antioxidant from soy that may help calm skin and support a more even tone, but research is still early.
Irritation
low
Source
natural
A gentle, sugar-derived humectant that hydrates and soothes, ideal for sensitive or reactive skin.
Irritation
low
Source
semi-synthetic
A gentle, oil-friendly form of CoQ10 that helps protect skin from environmental stress and supports a more youthful appearance.
Irritation
low
Source
semi-synthetic
Antioxidant
Hydroxydecyl Ubiquinoyl Dipalmitoyl Glycerate
A gentle, stabilized form of coenzyme Q10 that helps protect skin from oxidative stress and supports a more youthful appearance.
Irritation
low
Source
semi-synthetic
A common floral fragrance ingredient that can cause skin irritation or allergies in sensitive individuals.
Irritation
moderate
Source
semi-synthetic
A modern humectant that hydrates without stickiness, ideal for lightweight formulas and sensitive skin.
Irritation
low
Source
synthetic
A gentle silicone derivative that smooths hair and skin without heavy buildup, but may not suit those avoiding all silicones.
Irritation
low
Source
semi-synthetic
Film Former
HYDROXYETHYL ACRYLATE/METHOXYETHYL ACRYLATE COPOLYMER
A safe synthetic polymer that helps products spread smoothly and stay put without clogging pores.
Irritation
low
Source
synthetic