A gentle plant extract with antioxidant potential, but research on its cosmetic benefits is still 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 gentle plant extract with antioxidant potential, but research on its cosmetic 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 skin.
Irritation
low
Source
natural
A gentle, antioxidant-rich fruit extract that may help protect skin from environmental stress, though research 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 humans.
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
A gentle, antioxidant-rich water from black ginger that may help soothe and protect skin, though research is still emerging.
Irritation
low
Source
natural
Kaempferol is a plant-derived antioxidant that helps protect skin from environmental stress and may calm irritation, but human studies are limited.
Irritation
low
Source
natural
A gentle plant antioxidant that may help calm skin and defend against daily pollution, though human studies are still limited.
Irritation
low
Source
natural
A powerful natural antioxidant from the Kakadu plum, rich in vitamin C, that helps brighten skin and protect against environmental damage.
Irritation
low
Source
natural
A gentle, antioxidant-rich plant extract that may help calm skin and protect against environmental stress, though research is still emerging.
Irritation
low
Source
natural
Kale Leaf Extract is a gentle antioxidant-rich ingredient that helps protect skin from environmental stress while providing soothing benefits.
Irritation
low
Source
natural
Kale powder brings antioxidant and nutrient benefits to skincare, but its effects are mild and best used as part of a broader antioxidant strategy.
Irritation
low
Source
natural
Kale sprout extract is a gentle antioxidant-rich ingredient that helps protect skin from environmental stress and may calm irritation.
Irritation
low
Source
natural
Kamala bark extract is a gentle antioxidant from a tropical tree, but research on its skincare benefits is still limited.
Irritation
low
Source
natural
A gentle plant extract with antioxidant potential, but research is limited and it's not a proven powerhouse ingredient.
Irritation
low
Source
natural
A gentle, antioxidant-rich fruit extract that helps protect skin from environmental stress, though research is still emerging.
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, antioxidant-rich plant extract that may help calm skin and protect against environmental stress, though research is still emerging.
Irritation
low
Source
natural
A gentle, antioxidant-rich flower extract that may help calm skin and protect against environmental stress, though research is still emerging.
Irritation
low
Source
natural
A gentle, antioxidant-rich botanical extract that may help calm skin and protect against environmental stress, though research is still emerging.
Irritation
low
Source
natural
A gentle botanical extract with antioxidant potential, but research on its specific benefits for skin is still limited.
Irritation
low
Source
natural
Antioxidant
Lactobacillus/Wasabia Japonica Root Ferment Extract, Lactobacillus/Punica Granatum Fruit Ferment Extract, Lactobacillus/Saccharum Officinarum (Sugarcane) Ferment Extract, Lactobacillus/Saccharomyces/Xylinum/Black Tea Ferment
A fermented botanical blend that may offer antioxidant and soothing benefits, but research is limited.
Irritation
low
Source
biotech
Keihi Yu is a gentle herbal extract with antioxidant potential, but research on its cosmetic benefits is limited.
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, plant-based antioxidant that may help calm skin and protect against environmental stress, though research is still emerging.
Irritation
low
Source
natural
Kiwi Fruit Extract is a gentle, antioxidant-rich ingredient that helps brighten and soothe skin, but its benefits are best supported by the fruit's general nutritional profile rather than extensive cosmetic-specific studies.
Irritation
low
Source
natural
A gentle, antioxidant-rich oil from kiwi seeds that helps nourish and protect the skin without clogging pores.
Irritation
low
Source
natural
A gentle, citrus-derived water that adds light antioxidant benefits and a fresh scent, but its effects are mild and mostly aromatic.
Irritation
low
Source
natural
A gentle, plant-derived extract with antioxidant and soothing potential, though human research is still limited.
Irritation
low
Source
natural
A gentle, antioxidant-rich plant extract that may help soothe and protect skin, but research is still emerging.
Irritation
low
Source
natural
A gentle, antioxidant-rich plant extract that may help soothe and protect skin from environmental stress.
Irritation
low
Source
natural
A gentle, antioxidant-rich fruit extract that helps protect skin from environmental stress while offering mild soothing benefits.
Irritation
low
Source
natural
A gentle, antioxidant-rich fruit extract that may help protect skin from environmental stress and support a more even tone.
Irritation
low
Source
natural
A fermented fruit extract that delivers antioxidants and gentle skin conditioning, but its benefits depend heavily on the fermentation process and formulation.
Irritation
low
Source
biotech
A gentle, antioxidant-rich fruit water that hydrates and soothes skin, but its benefits are largely from the water content and trace nutrients rather than a concentrated active.
Irritation
low
Source
natural
A gentle plant extract with antioxidant potential, but research on its topical benefits is still limited.
Irritation
low
Source
natural
A plant-based antioxidant from lab-grown cells that may help calm skin and fight free radical damage, but research is still early.
Irritation
low
Source
biotech
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
A gentle, antioxidant-rich fruit extract that may help calm skin and fight environmental damage, though research is still early.
Irritation
low
Source
natural
A gentle, antioxidant-rich plant extract that may help calm and protect skin, though research is still early.
Irritation
low
Source
natural
Antioxidant
Kluyveromyces/Lactobacillus/Acanthopanax Koreanum Bark/Stem Oil Ferment Filtrate
A fermented botanical extract that may help calm irritation and defend against environmental stress, though human studies are limited.
Irritation
low
Source
biotech
Antioxidant
Acanthopanax Koreanum Adventitious Root Culture Extract
A lab-grown root extract that may help calm skin and fight free radicals, but human studies are limited.
Irritation
low
Source
biotech
A gentle, plant-based antioxidant that may help protect skin from environmental stress, though research is still emerging.
Irritation
low
Source
biotech
A gentle plant extract with antioxidant potential, but research on its specific benefits in skincare is still limited.
Irritation
low
Source
natural
A gentle, plant-derived antioxidant that may help calm skin and defend against environmental stress, though research is still early.
Irritation
low
Source
natural
A gentle, antioxidant-rich plant extract that may help calm skin and protect against environmental stress, though research is still emerging.
Irritation
low
Source
natural
A gentle, antioxidant-rich botanical extract that may help protect skin from environmental stress, though human research is still limited.
Irritation
low
Source
natural
A gentle, fermented black tea extract that offers antioxidant protection and soothing benefits, ideal for most skin types.
Irritation
low
Source
natural
Kousou Ekisu is a gentle botanical extract with antioxidant and soothing potential, but research is limited and it's best used as a supporting ingredient.
Irritation
low
Source
natural
A gentle herbal extract that may help calm skin and fight free radical damage, but research is mostly traditional and lab-based.
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 skincare benefits is still limited compared to more established ingredients.
Irritation
low
Source
natural
Kudzu Root Extract is a gentle botanical antioxidant that may help calm skin and fight free radical damage, but research on its cosmetic benefits is still limited.
Irritation
low
Source
natural
A gentle plant extract that may help calm skin and fight free radical damage, but research is still early.
Irritation
low
Source
natural
A gentle, antioxidant-rich botanical extract from New Zealand, best for soothing and protecting skin, though research is still emerging.
Irritation
low
Source
natural
Kumquat fruit water is a gentle, antioxidant-rich ingredient that can help brighten and tone the skin, but research on its cosmetic benefits is still limited.
Irritation
low
Source
natural
A gentle botanical extract with antioxidant and soothing potential, though research is still emerging compared to more established plant extracts.
Irritation
low
Source
natural
A gentle, antioxidant-rich botanical extract from an Australian berry that may help protect skin from environmental stress and support a healthy-looking complexion.
Irritation
low
Source
natural
A gentle, antioxidant-rich fruit powder that may help soothe and protect skin, though research is still emerging.
Irritation
low
Source
natural
A gentle seaweed extract with antioxidant potential, but research is still early and benefits are not yet proven in human studies.
Irritation
low
Source
natural