A gentle, plant-based ingredient that helps calm redness and irritation, suitable for most skin types including sensitive skin.
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-based ingredient that helps calm redness and irritation, suitable for most skin types including sensitive skin.
Irritation
low
Source
natural
A gentle, lab-grown chamomile extract that may help protect skin from environmental stress and calm irritation, though human research is still limited.
Irritation
low
Source
biotech
Chamomile flower powder is a gentle, natural ingredient that helps calm irritated skin and reduce redness, but it may not be suitable for those with severe allergies to daisy-family plants.
Irritation
low
Source
natural
A gentle, fragrant flower extract with antioxidant potential, but research on its skincare benefits is still limited.
Irritation
low
Source
natural
Champaca Flower Oil adds a luxurious floral scent and mild skin-conditioning benefits, but its fragrance components can be irritating for sensitive skin.
Irritation
moderate
Source
natural
A gentle seaweed extract that helps hydrate and protect the skin with antioxidants, suitable for most skin types.
Irritation
low
Source
natural
A gentle, antioxidant-rich mushroom extract that may help calm skin and fight free radical damage, though research is still emerging.
Irritation
low
Source
natural
Chaste Tree Leaf Oil is a fragrant botanical oil with traditional uses for balancing skin, but its benefits in skincare are not well-studied and it may cause irritation in sensitive individuals.
Irritation
moderate
Source
natural
A gentle, antioxidant-rich plant oil that helps soften and soothe skin, but its specific benefits are not yet backed by strong cosmetic research.
Irritation
low
Source
natural
A traditional seed extract rich in fatty acids, but modern evidence is limited and it may be comedogenic for some skin types.
Irritation
low
Source
natural
Chelidonine is a plant alkaloid with potential soothing effects, but its use in cosmetics is rare and lacks strong safety data.
Irritation
moderate
Source
natural
A plant-based extract with promising antioxidant activity, but research on its specific benefits for skin is still limited.
Irritation
low
Source
natural
A traditional herb extract with potential antimicrobial benefits, but limited modern research and a risk of skin irritation for sensitive types.
Irritation
moderate
Source
natural
A traditional herbal extract with limited modern skincare research; may offer antimicrobial benefits but carries a moderate risk of skin irritation.
Irritation
moderate
Source
natural
A gentle, antioxidant-rich grain extract that may help calm and protect the skin, though research on its cosmetic benefits is still limited.
Irritation
low
Source
natural
A gentle, antioxidant-rich plant extract that may help calm skin and fight free radical damage, though research is still emerging.
Irritation
low
Source
natural
Cherimoya Fruit Extract offers gentle antioxidant and soothing benefits, but research on its cosmetic efficacy is still limited.
Irritation
low
Source
natural
Cherry bark extract is a gentle antioxidant-rich ingredient that may help soothe and protect skin, but research is still emerging.
Irritation
low
Source
natural
Cherry blossom extract is a mild, antioxidant-rich botanical that may help calm skin and protect against environmental stress, though research on its cosmetic benefits is still emerging.
Irritation
low
Source
natural
A gentle, lightly fragrant floral water that adds a touch of soothing hydration and a pleasant scent to skincare products.
Irritation
low
Source
natural
A gentle, plant-based antioxidant extract that may help protect skin from environmental stress, though human studies are limited.
Irritation
low
Source
biotech
A gentle, antioxidant-rich botanical extract that may help soothe skin and protect against environmental stress, though human studies are limited.
Irritation
low
Source
natural
A gentle, plant-based antioxidant that may help calm skin and protect against environmental stress, though research is still early.
Irritation
low
Source
biotech
A mild, fragrant floral water that can add a touch of soothing hydration and a pleasant scent to skincare, but its benefits beyond water are not strongly proven.
Irritation
low
Source
natural
A gentle, antioxidant-rich fruit extract that helps protect skin from environmental stress and soothes irritation.
Irritation
low
Source
natural
A gentle, hydrating base ingredient from cherries that offers mild antioxidant benefits and a subtle fruity scent, but lacks strong clinical evidence for dramatic skin changes.
Irritation
low
Source
natural
A gentle, plant-based antioxidant that helps protect skin from environmental stress, though research on its specific benefits is still emerging.
Irritation
low
Source
natural
Cherry leaf extract is a gentle antioxidant that may help calm skin and defend against environmental stress, though research is still early.
Irritation
low
Source
natural
Cherry leaf powder is a gentle botanical ingredient that may offer antioxidant and soothing benefits, but research is limited and it is best used in rinse-off products.
Irritation
low
Source
natural
A gentle botanical extract that may help protect skin from environmental stress, though research is still emerging.
Irritation
low
Source
natural
A gentle, antioxidant-rich extract that helps protect skin from environmental stress while providing light hydration.
Irritation
low
Source
natural
Cherry seed oil is a gentle, non-greasy moisturizer rich in antioxidants and essential fatty acids, suitable for most skin types.
Irritation
low
Source
natural
A gentle, natural physical exfoliant that helps smooth skin without harsh microplastics, but may feel too gritty for sensitive skin.
Irritation
low
Source
natural
A natural, biodegradable exfoliant that gently polishes skin, but the irregular particle shape can cause micro-tears if used too aggressively.
Irritation
moderate
Source
natural
A gentle, antioxidant-rich botanical extract that may help calm skin and protect against environmental stress, though research is still early.
Irritation
low
Source
natural
Cherry Wood Extract offers gentle antioxidant support and a subtle botanical touch, but research on its specific benefits is still limited.
Irritation
low
Source
natural
Chervil extract is a mild, plant-based antioxidant that may help calm skin, but research on its cosmetic benefits is still limited.
Irritation
low
Source
natural
A gentle, antioxidant-rich extract from chestnut buds that may help calm skin and protect against environmental stress.
Irritation
low
Source
natural
A gentle, plant-based antioxidant that may help calm skin and defend against environmental stress, though research is still early.
Irritation
low
Source
natural
A gentle, antioxidant-rich fermented chestnut extract that may help protect skin from environmental stress while supporting a healthy-looking complexion.
Irritation
low
Source
biotech
A mild, plant-based ingredient that may help calm irritation and protect skin from environmental stress, though research is still limited.
Irritation
low
Source
natural
A gentle, plant-based antioxidant powder that may help calm skin and protect against environmental stress, though research is still early.
Irritation
low
Source
natural
A gentle, plant-based antioxidant that helps protect skin from environmental stress while offering soothing benefits.
Irritation
low
Source
natural
A gentle, antioxidant-rich plant extract that helps calm skin and protect against environmental stress.
Irritation
low
Source
natural
A gentle, antioxidant-rich extract from chestnut shells that helps protect skin from environmental stress while soothing irritation.
Irritation
low
Source
natural
A gentle, natural exfoliating powder from chestnut shells that helps polish skin without harsh microbeads.
Irritation
low
Source
natural
Chia Seed Extract is a gentle, antioxidant-rich botanical that helps calm and protect the skin, but its benefits are best supported by general plant chemistry rather than extensive human studies.
Irritation
low
Source
natural
Chia Seed Oil is a lightweight, non-greasy oil that hydrates and soothes skin, making it a great choice for sensitive or dry skin types.
Irritation
low
Source
natural
Chia seed powder offers gentle physical exfoliation and a boost of hydration, making it a mild choice for most skin types.
Irritation
low
Source
natural
Conditioning Agent
CHICKEN EMBRYONIC FIBROBLAST CONDITIONED MEDIA
A novel biotech ingredient with potential skin-repair benefits, but human research is very limited and its animal-derived origin raises ethical and safety questions.
Irritation
moderate
Source
biotech
Conditioning Agent
Chicken Pluripotent Primordial Germ Cell Conditioned Media
An experimental biotech ingredient from chicken stem cells with very limited human research; intriguing but unproven for routine skincare.
Irritation
low
Source
biotech
An experimental biotech ingredient with limited human research; may support skin repair but lacks strong evidence for routine use.
Irritation
low
Source
biotech
A mushroom-derived extract with antioxidant potential, but research on its cosmetic benefits is still limited.
Irritation
low
Source
natural
A novel peptide from chicken protein that may support skin firmness and repair, but research is still early.
Irritation
low
Source
natural
A gentle, natural exfoliant that can help remove dead skin cells and absorb excess oil without harshness.
Irritation
low
Source
natural
Chicory leaf extract is a gentle, plant-based ingredient that may help calm skin and provide antioxidant support, but research is still limited.
Irritation
low
Source
natural
A gentle, plant-derived humectant that hydrates skin and may help balance the skin microbiome.
Irritation
low
Source
natural
Chicory seed oil is a gentle, plant-based emollient that helps soften and condition skin without clogging pores.
Irritation
low
Source
natural
Chimyl Alcohol is a gentle emollient that softens and smooths skin, but its sourcing from shark liver raises sustainability concerns.
Irritation
low
Source
natural
Chimyl Isostearate is a gentle, non-greasy emollient that helps soften and smooth the skin with a low risk of irritation or clogged pores.
Irritation
low
Source
synthetic