A brown algae extract that may help calm skin and fight free radicals, but human studies are limited.
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 brown algae extract that may help calm skin and fight free radicals, but human studies are limited.
Irritation
low
Source
natural
A gentle brown seaweed powder that may help calm skin and fight environmental stress, though research is still emerging.
Irritation
low
Source
natural
Cytidine is a gentle, naturally derived ingredient that may help support skin repair and resilience, but research in cosmetics is still early.
Irritation
low
Source
natural
Cytochrome C is a naturally occurring protein that may help protect skin from oxidative stress and support cellular energy, but research in topical cosmetics is still emerging.
Irritation
low
Source
biotech
Cytosine is a DNA building block with emerging research in skincare, but its benefits are not yet well-established for topical use.
Irritation
low
Source
natural
D-Allo-Ocimenol is a synthetic fragrance ingredient that adds a pleasant scent but may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
D-Bornyl Isovalerate is a synthetic ester that provides a mild cooling and soothing sensation, often used to calm irritated skin.
Irritation
low
Source
synthetic
A synthetic peptide that may help reduce the appearance of fine lines and improve skin firmness, with a good safety profile for most skin types.
Irritation
low
Source
synthetic
D-Pulegone is a potent fragrance compound with antimicrobial properties, but it carries a high risk of skin irritation and is restricted in many regions due to safety concerns.
Irritation
high
Source
natural
A safe, widely used synthetic colorant that adds orange tones to makeup, but offers no skincare benefits.
Irritation
low
Source
synthetic
CI 11725 is a synthetic orange pigment approved for use in cosmetics, but it may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
A widely used synthetic orange dye that is generally safe in the tiny amounts found in cosmetics, but offers no skincare benefits.
Irritation
low
Source
synthetic
A synthetic red dye approved for use in cosmetics, but with some restrictions due to potential impurities.
Irritation
low
Source
synthetic
A widely used synthetic red pigment that is generally safe in cosmetics but offers no skincare benefits beyond color.
Irritation
low
Source
synthetic
A widely used synthetic yellow dye that adds vibrant color to cosmetics, but some people may experience skin sensitivity.
Irritation
low
Source
synthetic
A marine-derived antioxidant extract with soothing potential, but research is still early and benefits are not yet proven in large human studies.
Irritation
low
Source
natural
A gentle botanical extract with antioxidant potential, but research on its specific skin benefits is very limited.
Irritation
low
Source
natural
Humectant
DAEDALEA DICKINSII/SODIUM HYALURONATE FERMENT FILTRATE
A fermented mushroom-hyaluronate blend that may boost hydration and soothe skin, but human studies are limited.
Irritation
low
Source
biotech
A mushroom-derived ferment with early research suggesting antioxidant and soothing benefits, but human studies are limited.
Irritation
low
Source
natural
A mushroom-derived ferment that may help calm and protect skin, but research is still early and benefits are not yet proven in human studies.
Irritation
low
Source
biotech
A gentle botanical extract with antioxidant potential, but research on its skincare benefits is still limited.
Irritation
low
Source
natural
A gentle, lightly fragrant botanical water that adds a subtle floral note and mild soothing feel to skincare, but lacks strong clinical evidence for specific skin benefits.
Irritation
low
Source
natural
A gentle botanical extract from daffodil roots that may help calm skin and fight free radicals, but research is still early.
Irritation
low
Source
natural
Dahlia Flower Extract is a gentle antioxidant-rich botanical that may help protect skin from environmental stress, but research is still limited.
Irritation
low
Source
natural
Daidzein is a gentle plant antioxidant that may help protect skin from environmental stress and support a more even complexion, but research is still emerging.
Irritation
low
Source
natural
A gentle botanical duo that may help calm redness and provide antioxidant protection, but research is limited to lab studies.
Irritation
low
Source
natural
A mild, antioxidant-rich botanical that helps calm skin and protect against environmental stress, but it's not a powerhouse ingredient on its own.
Irritation
low
Source
natural
A gentle plant extract with antioxidant potential, but research on its skincare benefits is still limited.
Irritation
low
Source
natural
A gentle plant extract with antioxidant potential, but research on its specific skin benefits is still limited.
Irritation
low
Source
natural
A gentle, plant-based oil that hydrates and helps protect the skin barrier without feeling greasy.
Irritation
low
Source
natural
A gentle botanical extract with antioxidant potential, but research is limited—handle with realistic expectations.
Irritation
low
Source
natural
A gentle plant extract with antioxidant potential, but research is limited—think of it as a supportive, not star, ingredient.
Irritation
low
Source
natural
A gentle plant extract that may help protect skin from environmental stress, but research is still early.
Irritation
low
Source
natural
A gentle plant extract with antioxidant potential, but research is limited and benefits are not well-established.
Irritation
low
Source
natural
A gentle plant extract with antioxidant potential, but research is still early and benefits are not yet proven in humans.
Irritation
low
Source
natural
Damson Plum Juice is a gentle, fruit-derived humectant that adds light hydration and a touch of natural antioxidant activity to skincare formulas.
Irritation
low
Source
natural
A gentle, lab-grown dandelion extract that may help calm skin and fight oxidative stress, though human studies are limited.
Irritation
low
Source
biotech
Dandelion Extract is a gentle, antioxidant-rich ingredient that helps soothe skin and protect against environmental stress.
Irritation
low
Source
natural
A gentle, plant-based juice that may help calm irritated skin and provide antioxidant protection, though research is still emerging.
Irritation
low
Source
natural
A gentle, antioxidant-rich root extract that may help calm skin and fight free radicals, but research on its cosmetic benefits is still early.
Irritation
low
Source
natural
Dandelion root powder is a gentle botanical ingredient that may help calm skin and provide antioxidant benefits, but research in cosmetics is still limited.
Irritation
low
Source
natural
A gentle, plant-derived resin that may help calm skin and create a light protective layer, but research is still limited.
Irritation
low
Source
natural
A gentle, antioxidant-rich botanical extract that helps protect skin from environmental stress and may support a more even skin tone.
Irritation
low
Source
natural
A traditional botanical extract with potential soothing and antioxidant benefits, but limited modern research and a known irritation risk for sensitive skin.
Irritation
moderate
Source
natural
A gentle botanical extract with antioxidant potential, but research on its specific skincare benefits is still limited.
Irritation
low
Source
natural
A gentle plant extract with antioxidant potential, but research is still early and benefits are not yet proven in human studies.
Irritation
low
Source
natural
Daphnetin is a plant-derived antioxidant that may help calm skin and fight free radicals, but research in cosmetics is still early.
Irritation
low
Source
natural
A gentle plant extract with antioxidant potential, but research is still early and benefits are not yet proven in human skin.
Irritation
low
Source
natural
Darutoside is a gentle, plant-based ingredient with early evidence for calming skin and fighting oxidative stress, but more research is needed to confirm its benefits.
Irritation
low
Source
natural
A gentle botanical extract with antioxidant potential, but research is still early and benefits are not yet proven in human skin.
Irritation
low
Source
natural
A gentle botanical extract with antioxidant potential, but research on its specific skin benefits is still limited.
Irritation
low
Source
natural
A gentle, fermented date fruit extract that may help soothe and protect the skin, though research is still emerging.
Irritation
low
Source
biotech
A gentle, probiotic-derived ingredient that may help hydrate and support the skin barrier, though research is still emerging.
Irritation
low
Source
biotech
A gentle, sugar-rich fruit juice that helps hydrate and protect the skin with natural antioxidants, but offers limited benefits compared to more concentrated actives.
Irritation
low
Source
natural
A gentle, natural exfoliant that also provides antioxidant benefits, but may feel gritty in some formulas.
Irritation
low
Source
natural
A gentle, plant-derived antioxidant that may help protect skin from environmental stress, but research is still early.
Irritation
low
Source
biotech
DATEM is a functional emulsifier that helps stabilize cosmetic formulas, but it offers no direct skin benefit and is rarely a primary ingredient.
Irritation
low
Source
semi-synthetic
Datura leaf extract is a traditional botanical with potential soothing properties, but its safety profile is poor due to toxic alkaloids, making it unsuitable for routine skincare.
Irritation
high
Source
natural
A gentle, lab-grown plant extract that may help calm skin and fight environmental stress, though human studies are limited.
Irritation
low
Source
biotech
A gentle, plant-derived extract that may help calm irritation and protect skin from environmental stress, though research is still emerging.
Irritation
low
Source
natural