Bitter orange peel offers gentle astringent and antioxidant benefits but can be irritating for sensitive skin, especially in high concentrations or with sun exposure.
Irritation
moderate
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
Bitter orange peel offers gentle astringent and antioxidant benefits but can be irritating for sensitive skin, especially in high concentrations or with sun exposure.
Irritation
moderate
Source
natural
A natural antioxidant extract that can help brighten and tighten skin, but may cause irritation for sensitive types due to natural acids and essential oil components.
Irritation
moderate
Source
natural
Bitter orange peel oil adds a fresh scent to products but can be irritating for sensitive skin and increases sun sensitivity.
Irritation
moderate
Source
natural
A gentle physical exfoliant with antioxidant benefits, but can be drying or irritating for sensitive skin due to its citrus origin.
Irritation
moderate
Source
natural
A gentle plant extract that may help tighten pores and fight free radicals, but research on its benefits is still limited.
Irritation
low
Source
natural
Bittern is a mineral-rich byproduct of sea salt production that may offer trace minerals to the skin, but evidence for specific benefits is limited.
Irritation
low
Source
natural
A plant extract with potential soothing benefits, but limited research and a cautionary note due to the plant's toxicity in raw form.
Irritation
moderate
Source
natural
A gentle, water-like ingredient that adds light hydration and antioxidant protection, ideal for sensitive or dehydrated skin.
Irritation
low
Source
natural
A gentle, plant-based antioxidant that helps protect skin from environmental stress while providing mild soothing benefits.
Irritation
low
Source
natural
A fragrant botanical oil with mild astringent and soothing qualities, best used in low concentrations to avoid skin irritation.
Irritation
moderate
Source
natural
A gentle botanical extract that may help calm skin and provide antioxidant support, though research is limited.
Irritation
low
Source
natural
A gentle, antioxidant-rich fruit extract that helps soothe skin and fight free radical damage.
Irritation
low
Source
natural
Black Cherry Juice is a gentle, hydrating ingredient that also provides antioxidant benefits, making it a nice addition to soothing and moisturizing formulas.
Irritation
low
Source
natural
A gentle botanical extract with antioxidant potential, but research on topical benefits is still limited.
Irritation
low
Source
natural
A gentle botanical extract with antioxidant potential, but limited research supports its specific benefits in skincare.
Irritation
low
Source
natural
A gentle, lab-grown antioxidant from black crowberry cells that may help protect skin from environmental stress and calm irritation.
Irritation
low
Source
biotech
A gentle, antioxidant-rich extract from crowberries that helps protect skin from environmental stress and may support a more even tone.
Irritation
low
Source
natural
A gentle, antioxidant-rich fruit juice that may help calm skin and fight free radical damage, though research is still emerging.
Irritation
low
Source
natural
A gentle, antioxidant-rich leaf extract that may help protect skin from environmental stress, though research on its cosmetic benefits is still limited.
Irritation
low
Source
natural
A gentle, stable emollient that combines the fatty acid benefits of black currant seed oil and olive oil in a non-greasy ester form.
Irritation
low
Source
semi-synthetic
A natural, plant-based wax that adds structure and a silky feel to balms and creams without clogging pores.
Irritation
low
Source
natural
A gentle, antioxidant-rich extract from black currant plant cells that may help calm and protect skin.
Irritation
low
Source
natural
A safe, widely used black pigment that adds color to makeup and skincare without active skincare benefits.
Irritation
low
Source
natural
A gentle botanical extract with soothing and antioxidant potential, though research is still emerging.
Irritation
low
Source
natural
A gentle, antioxidant-rich botanical extract that may help soothe and protect skin, but research is still emerging.
Irritation
low
Source
natural
A gentle botanical extract that may help calm skin and provide antioxidant protection, though research is still early.
Irritation
low
Source
natural
A gentle, lightly fragrant flower water that adds a subtle floral note and mild soothing feel, but lacks strong research backing for specific skin benefits.
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 fermented botanical extract with potential antioxidant and barrier-supporting properties, but clinical evidence is still limited.
Irritation
low
Source
biotech
A natural physical exfoliant that sloughs off dead skin cells, but may be too abrasive for sensitive or acne-prone skin.
Irritation
moderate
Source
natural
A gentle, plant-based antioxidant that helps calm sensitive skin and defend against daily environmental damage.
Irritation
low
Source
natural
A biotech-derived antioxidant from black pepper callus that may help calm skin and fight free radicals, but research is still early.
Irritation
low
Source
biotech
A gentle, lab-grown antioxidant from black pepper cells that may help calm skin and fight free radicals.
Irritation
low
Source
biotech
Black Pepper Fruit Oil adds warmth and antioxidant benefits to skincare, but its strong aroma and potential for irritation mean it's best used in low concentrations and patch-tested first.
Irritation
moderate
Source
natural
A natural, gritty powder that physically exfoliates skin but can be irritating for sensitive or broken skin due to its spice content.
Irritation
moderate
Source
natural
Black Pepper Seed Oil offers antioxidant and warming benefits, but its potency means it must be used in low concentrations to avoid irritation.
Irritation
moderate
Source
natural
A gentle, plant-based antioxidant that helps protect skin from environmental stress while providing a soothing feel.
Irritation
low
Source
natural
A gentle, plant-based antioxidant that may help calm skin and defend against environmental stress, though human studies are limited.
Irritation
low
Source
natural
A fragrant essential oil with some antimicrobial potential, but may irritate sensitive skin due to its high content of volatile compounds.
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-derived antioxidant that helps protect skin from environmental stress while offering mild soothing benefits.
Irritation
low
Source
natural
A gentle, antioxidant-rich fruit juice that may help soothe and protect skin, but its benefits are less studied than those of more common berry extracts.
Irritation
low
Source
natural
A lightweight, antioxidant-rich oil that hydrates without clogging pores, ideal for normal to dry skin types.
Irritation
low
Source
natural
A marine-sourced oil with antioxidant potential, but research is limited and sustainability concerns exist.
Irritation
low
Source
natural
Black spruce oil adds a grounding, forest-like scent to products and may offer mild antioxidant benefits, but its essential oil nature means it can be irritating for sensitive skin.
Irritation
moderate
Source
natural
Black Spruce Leaf Oil adds a grounding, forest-like scent to skincare and may offer mild antioxidant and soothing benefits, but as an essential oil it can be irritating for sensitive skin.
Irritation
moderate
Source
natural
Black Strap Powder is a natural sugar cane derivative that hydrates and gently exfoliates, but its high sugar content may not suit all skin types.
Irritation
low
Source
natural
A gentle, fermented ingredient that offers antioxidant protection and mild exfoliation, ideal for most skin types.
Irritation
low
Source
biotech
A rare, antioxidant-rich oil that may help protect skin from environmental stress, but research is still emerging.
Irritation
low
Source
natural
A natural astringent that may help tone oily skin, but can be irritating for sensitive types and lacks strong clinical backing.
Irritation
moderate
Source
natural
Black Walnut Leaf Extract offers antioxidant and astringent benefits, but its use is limited by moderate irritation potential and a lack of strong clinical evidence.
Irritation
moderate
Source
natural
A natural physical exfoliant from walnut shells, effective for sloughing off dead skin but can be too harsh for sensitive or acne-prone skin.
Irritation
moderate
Source
natural
A gentle, antioxidant-rich fruit extract that helps protect skin from environmental stress and may soothe minor irritation.
Irritation
low
Source
natural
Blackberry fruit extract is a gentle, antioxidant-rich ingredient that helps protect skin from environmental stress and may support a more even tone.
Irritation
low
Source
natural
A gentle, antioxidant-rich water that adds light hydration and a subtle botanical touch to skincare, but its benefits are mild compared to more concentrated extracts.
Irritation
low
Source
natural
A gentle, plant-based antioxidant that may help protect skin from environmental stress, though research is still emerging.
Irritation
low
Source
natural
A gentle, antioxidant-rich plant extract that helps protect skin from environmental stress and may calm minor irritation.
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
Blackberry seed provides gentle physical exfoliation and skin-softening fatty acids, but its small particle size may feel gritty for some.
Irritation
low
Source
natural
A lightweight, antioxidant-rich oil that helps nourish and protect the skin without clogging pores.
Irritation
low
Source
natural