A gentle plant extract with antioxidant potential, but research is still emerging—great for soothing formulas but not a powerhouse ingredient on its own.
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 is still emerging—great for soothing formulas but not a powerhouse ingredient on its own.
Irritation
low
Source
natural
Gymnema extract is a gentle, antioxidant-rich botanical that may help calm skin and fight free radical damage, but its skincare benefits are still being explored.
Irritation
low
Source
natural
A lab-grown plant extract that may help calm skin and fight free radicals, but research is still early.
Irritation
low
Source
biotech
A gentle botanical powder with antioxidant potential, but research in skincare is limited and it may not be a standout ingredient.
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 promising antioxidant extract from a 'resurrection plant' that may help protect skin from environmental stress, though human studies are still limited.
Irritation
low
Source
biotech
Hagfish mucus extract is an experimental marine ingredient with promising hydrating and film-forming abilities, but it's very new to cosmetics and lacks broad safety and efficacy data.
Irritation
low
Source
natural
A novel biotech peptide that may help firm skin, but research is very limited and it's not a proven anti-aging powerhouse.
Irritation
low
Source
biotech
A mushroom extract with antioxidant potential that may help calm skin, though research is still early.
Irritation
low
Source
natural
Hakka is a gentle, fermented botanical extract with antioxidant potential, but research on its specific benefits is still limited.
Irritation
low
Source
natural
Hakka Yu is a gentle citrus extract with antioxidant potential, but scientific research on its specific benefits is still limited.
Irritation
low
Source
natural
A gentle, biotech-derived ferment that supports skin hydration and calmness, ideal for sensitive or reactive skin types.
Irritation
low
Source
biotech
A gentle brown seaweed extract that helps calm skin and defend against environmental stress.
Irritation
low
Source
natural
A gentle, lab-grown algae extract that helps hydrate and calm the skin, but research is still early.
Irritation
low
Source
biotech
A gentle, hydrating seaweed extract that helps skin retain moisture and may calm irritation, though research is still emerging.
Irritation
low
Source
natural
A lab-grown red algae extract that may help protect skin from environmental stress, but research is still early.
Irritation
low
Source
biotech
A gentle, antioxidant-rich botanical extract that may help calm skin and defend against environmental stress, though research is still emerging.
Irritation
low
Source
natural
A gentle clay that absorbs excess oil without stripping the skin, ideal for sensitive or combination skin types.
Irritation
low
Source
natural
A gentle, hydrating ferment from salt-loving microbes that may help soothe and moisturize skin without irritation.
Irritation
low
Source
biotech
A gentle, probiotic-derived ingredient from salt-loving bacteria that may help calm and strengthen the skin barrier.
Irritation
low
Source
biotech
A lab-made peptide inspired by a sea creature that may help calm skin and strengthen its defenses, but human research is still very limited.
Irritation
low
Source
synthetic
A gentle, ocean-sourced antioxidant that may help calm skin and fight environmental stress, but research is still early.
Irritation
low
Source
natural
Hardy kiwi juice is a gentle, water-soluble fruit extract that provides light hydration and antioxidant protection, making it a nice addition to soothing or brightening formulas.
Irritation
low
Source
natural
A gentle botanical extract with antioxidant potential, but research is limited and benefits are not well-established in human skin.
Irritation
low
Source
natural
Harpagide is a gentle, plant-derived compound that may help calm irritated skin and fight free radical damage, though research is still early.
Irritation
low
Source
natural
Harpagoside is a plant-derived antioxidant that may help calm skin and fight free radical damage, but research in cosmetics is still early.
Irritation
low
Source
natural
A gentle, blue microalgae extract that may help calm skin and fight oxidative stress, but research is still early.
Irritation
low
Source
natural
A gentle powdered exfoliant from citrus peels that can brighten skin but may cause irritation for sensitive types.
Irritation
moderate
Source
natural
A gentle mushroom extract with antioxidant potential, but research is limited and benefits are not yet well-established in human studies.
Irritation
low
Source
natural
A gentle botanical extract with potential antioxidant and soothing benefits, but research is limited and it is not a well-studied ingredient.
Irritation
low
Source
natural
A gentle botanical powder with antioxidant potential, but limited direct skincare research and possible texture concerns.
Irritation
low
Source
natural
A gentle plant extract that may help calm skin and fight free radicals, but research is still early.
Irritation
low
Source
natural
A mild, floral water that may offer soothing and antioxidant benefits, but lacks strong clinical evidence for specific skincare claims.
Irritation
low
Source
natural
A gentle, antioxidant-rich plant extract that helps protect skin from environmental stress while soothing and conditioning.
Irritation
low
Source
natural
A gentle, antioxidant-rich botanical powder that may help calm skin and fight free radical damage, though research is still emerging.
Irritation
low
Source
natural
A gentle botanical extract with antioxidant potential, but research on its topical benefits is still emerging.
Irritation
low
Source
natural
A gentle, plant-derived antioxidant that may help protect skin from environmental stress, though research is still early.
Irritation
low
Source
natural
Hawthorn Stem Extract is a gentle botanical antioxidant that may help calm skin and fight free radical damage, but research on its topical benefits is still limited.
Irritation
low
Source
natural
Hayflower extract is a gentle botanical with antioxidant and soothing potential, but research on its specific skincare benefits is still limited.
Irritation
low
Source
natural
A mild, plant-based extract that may help calm skin and fight free radical damage, but research is still early.
Irritation
low
Source
natural
A gentle, plant-derived antioxidant that may help calm skin and fight free radical damage, but research is still early.
Irritation
low
Source
natural
A mild, hydrating botanical water that adds a touch of antioxidant protection without stripping the skin.
Irritation
low
Source
natural
A silky, non-greasy emollient derived from hazelnut oil that hydrates and softens skin without clogging pores.
Irritation
low
Source
semi-synthetic
A gentle, water-friendly emollient that softens skin without a greasy feel, suitable for most skin types.
Irritation
low
Source
semi-synthetic
A silky, non-greasy emollient derived from hazelnut oil that helps moisturize and soften skin with a lightweight feel.
Irritation
low
Source
semi-synthetic
A mild, plant-based emulsifier that helps blend oil and water in skincare formulas while leaving a soft, non-greasy feel.
Irritation
low
Source
semi-synthetic
A gentle, natural exfoliant that also helps absorb excess oil, but may be too gritty for sensitive skin if not finely milled.
Irritation
low
Source
natural
A gentle, natural physical exfoliant that helps smooth skin without harsh chemicals, but may feel too gritty for sensitive skin.
Irritation
low
Source
natural
HC Blue No. 11 is a synthetic hair dye that can provide vibrant blue color, but it may cause skin irritation or allergic reactions in sensitive individuals.
Irritation
moderate
Source
synthetic
HC Blue No. 12 is a synthetic blue dye for hair color that is generally considered safe in small amounts but may cause irritation for sensitive scalps.
Irritation
moderate
Source
synthetic
HC Blue No. 13 is a synthetic blue dye for hair color, generally considered safe in rinse-off products but may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
HC Blue No. 14 is a synthetic hair dye that adds blue tones but may cause skin irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
HC Blue No. 15 is a synthetic hair dye that can deliver vibrant blue shades but may cause skin irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A synthetic blue dye for hair color that is generally safe for most people but may cause allergic reactions in sensitive individuals.
Irritation
low
Source
synthetic
HC Blue No. 17 is a synthetic hair dye that delivers blue tones but may cause irritation for sensitive scalps.
Irritation
moderate
Source
synthetic
HC Blue No. 18 is a synthetic hair dye that adds blue tones to semi-permanent formulas; it is generally considered safe for external use but may cause mild irritation in sensitive individuals.
Irritation
low
Source
synthetic
HC Blue No. 2 is a synthetic hair dye that delivers blue color but may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
HC Orange No. 1 is a synthetic dye for orange hair color, but it may cause skin irritation in sensitive individuals and has limited safety data for long-term use.
Irritation
moderate
Source
synthetic
HC Orange No. 2 is a synthetic dye that adds orange shades to hair color, but it may cause irritation in sensitive individuals and has limited long-term safety data.
Irritation
moderate
Source
synthetic
HC Orange No. 5 is a synthetic dye that adds orange tones to hair color, but it may cause irritation in sensitive individuals and has limited safety data for long-term use.
Irritation
moderate
Source
synthetic