Bromocresol Green is a synthetic dye used to adjust product color or indicate pH, but it offers no skincare benefits and may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
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
Bromocresol Green is a synthetic dye used to adjust product color or indicate pH, but it offers no skincare benefits and may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
Bromoethyl PCA is a synthetic preservative booster that helps prevent microbial growth, but its safety data is limited and it may cause irritation for sensitive skin.
Irritation
moderate
Source
synthetic
Preservative
BROMOPHENYL PROPENAMINOETHYL ISOQUINOLINESULFONAMIDE HCL
A synthetic preservative with limited safety data; best avoided in leave-on products until more research is available.
Irritation
moderate
Source
synthetic
Bromothymol Blue is a synthetic dye used for color, not a beneficial skincare ingredient; it adds no proven skin benefits.
Irritation
low
Source
synthetic
An effective but controversial preservative that is now banned in the EU and restricted elsewhere due to potential skin irritation and nitrosamine formation.
Irritation
moderate
Source
synthetic
An effective preservative but can be irritating and may release formaldehyde under certain conditions.
Irritation
moderate
Source
synthetic
Bronzite powder is a natural mineral that adds a warm, golden shimmer to cosmetics, but it's purely aesthetic with no proven skincare benefits.
Irritation
low
Source
natural
A gentle botanical extract with antioxidant and soothing potential, but research on its cosmetic benefits is still limited.
Irritation
low
Source
natural
A gentle botanical extract that may help calm skin and fight free radicals, but research is still early.
Irritation
low
Source
natural
A gentle botanical extract with antioxidant potential, but research on its cosmetic benefits is still limited.
Irritation
low
Source
natural
A gentle plant wax that adds richness and stability to balms and creams without common irritation.
Irritation
low
Source
natural
A plant extract with antioxidant potential, but limited research on its specific benefits for skin.
Irritation
low
Source
natural
A gentle plant extract with antioxidant potential, but research is limited and it's not a powerhouse ingredient.
Irritation
low
Source
natural
A gentle plant extract that may help even skin tone and protect against environmental damage, but research is still limited compared to more established brighteners.
Irritation
low
Source
natural
A gentle plant extract that may help even out skin tone and protect against environmental damage, but more human studies are needed to confirm its brightening effects.
Irritation
low
Source
natural
A safe, widely used synthetic colorant for brown shades, but offers no skincare benefits.
Irritation
low
Source
synthetic
A gentle brown seaweed extract that may help calm skin and fight environmental stress, though research is still early.
Irritation
low
Source
natural
A gentle, hydrating seaweed powder that helps skin retain moisture and may soothe irritation.
Irritation
low
Source
natural
A gentle plant extract with antioxidant potential, but research is still early and benefits are not yet well-established.
Irritation
low
Source
natural
A gentle, antioxidant-rich fruit extract that may help calm skin and fight free radicals, but research is still early.
Irritation
low
Source
natural
A gentle, antioxidant-rich plant extract that may help protect skin from environmental stress, but research on its topical benefits is still limited.
Irritation
low
Source
natural
Bryonolic Acid is a plant-based antioxidant with early research suggesting anti-inflammatory benefits, but it is not yet widely studied in human skin care.
Irritation
low
Source
natural
Bubulum oil is a traditional animal-derived emollient that softens skin but may clog pores for some.
Irritation
low
Source
natural
Buchu leaf extract is a gentle botanical with traditional use for soothing skin, but scientific evidence for its cosmetic benefits is still limited.
Irritation
low
Source
natural
A gentle botanical extract with antioxidant potential, but research on its cosmetic benefits is still limited.
Irritation
low
Source
natural
A gentle, lab-grown antioxidant that may help calm skin and fight environmental stress without irritation.
Irritation
low
Source
biotech
A gentle, fermented botanical extract that may help calm skin and defend against environmental stress, though research is still early.
Irritation
low
Source
biotech
Buckwheat flour is a gentle, natural powder that absorbs excess oil and provides light physical exfoliation, but it may not suit those with buckwheat allergies.
Irritation
low
Source
natural
A gentle, plant-derived antioxidant that may help calm skin and defend against daily pollution and UV stress.
Irritation
low
Source
natural
Buckwheat Seed Extract is a gentle, antioxidant-rich ingredient that helps calm skin and defend against environmental stress.
Irritation
low
Source
natural
A gentle, plant-derived antioxidant that may help protect skin from environmental damage, though research is still emerging.
Irritation
low
Source
natural
Buckwheat Stem Extract is a gentle antioxidant-rich ingredient that may help calm skin and protect against environmental stress, though research is still emerging.
Irritation
low
Source
natural
A gentle plant extract that may help calm skin and fight free radical damage, though research is still early.
Irritation
low
Source
natural
A gentle botanical extract that helps defend skin from environmental stress and may calm irritation, but research is still emerging.
Irritation
low
Source
natural
A gentle, lab-grown plant extract that helps protect skin from environmental stress and may calm irritation.
Irritation
low
Source
biotech
A gentle botanical extract that may help calm skin and defend against environmental stress, though human studies are limited.
Irritation
low
Source
natural
A gentle, lab-grown plant extract that may help protect skin from environmental stress and calm irritation, though human studies are still limited.
Irritation
low
Source
biotech
A gentle botanical extract with antioxidant and soothing potential, 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 botanical extract with antioxidant and soothing potential, but research is limited and it is not a standout ingredient.
Irritation
low
Source
natural
A gentle botanical extract with potential soothing and antioxidant benefits, but research is limited and it's not a standout ingredient.
Irritation
low
Source
natural
A gentle, lab-grown plant extract that may help calm skin and fight free radicals, but research is still early.
Irritation
low
Source
biotech
A gentle, lab-grown plant extract that may help calm skin and fight free radicals, but research is still early.
Irritation
low
Source
biotech
Bugleweed Leaf Extract is a gentle botanical with antioxidant and soothing potential, but research on its cosmetic benefits is still limited.
Irritation
low
Source
natural
A plant stem cell extract that may help protect skin from environmental stress, though human research is still limited.
Irritation
low
Source
natural
Bugloss extract is a gentle botanical with antioxidant and soothing potential, but research on its specific benefits in skincare is still limited.
Irritation
low
Source
natural
A gentle, plant-derived ingredient that helps calm and hydrate the skin, with traditional use for minor skin irritations.
Irritation
low
Source
natural
A mineral-rich seaweed extract that hydrates and soothes skin, generally safe for most skin types.
Irritation
low
Source
natural
A fragrant essential oil with a woody, citrusy scent that may offer mild soothing benefits, but its use is primarily for fragrance and should be approached with caution on sensitive skin.
Irritation
moderate
Source
natural
Bumetrizole is a synthetic UV filter that effectively absorbs UVA and UVB rays, but its use is restricted in some regions due to environmental concerns.
Irritation
low
Source
synthetic
A gentle, antioxidant-rich plant extract that may help protect skin from environmental stress, though research is still early.
Irritation
low
Source
natural
A gentle, 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 extract with antioxidant and soothing potential, 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 radicals, but human research is limited.
Irritation
low
Source
natural
Burdock leaf extract is a gentle, antioxidant-rich botanical that helps calm irritated skin and supports a healthy complexion.
Irritation
low
Source
natural
Burdock root extract is a gentle, antioxidant-rich botanical that helps calm irritation and support a clear-looking complexion.
Irritation
low
Source
natural
Burdock root powder is a gentle, plant-based ingredient that may help calm irritated skin and provide antioxidant protection.
Irritation
low
Source
natural
A gentle, plant-derived water that helps calm irritated skin and provides light hydration without clogging pores.
Irritation
low
Source
natural
Burdock seed oil is a gentle, antioxidant-rich oil that helps soothe and moisturize skin without clogging pores.
Irritation
low
Source
natural
A mild, plant-derived water that may help calm irritated skin and provide antioxidant protection, but research is limited.
Irritation
low
Source
natural