African basil oil offers antimicrobial and antioxidant benefits but can be irritating for sensitive skin due to its essential oil nature.
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
African basil oil offers antimicrobial and antioxidant benefits but can be irritating for sensitive skin due to its essential oil nature.
Irritation
moderate
Source
natural
Anethum Sowa Seed Oil offers mild soothing and antimicrobial benefits, but its essential oil nature means it can be irritating for sensitive skin if used at high concentrations.
Irritation
moderate
Source
natural
A fragrant botanical oil with traditional use for soothing skin, but limited modern research and potential for irritation in sensitive individuals.
Irritation
moderate
Source
natural
Birch Twig Oil offers a natural, earthy option for soothing and clarifying skin, but its potency means it's best used in low concentrations and patch-tested first.
Irritation
moderate
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
Cade Wood Oil offers purifying and soothing benefits but can be irritating for sensitive skin due to its potent aromatic compounds.
Irritation
moderate
Source
natural
Cajaput oil can offer antimicrobial benefits for acne-prone skin, but its potency means it must be used at low concentrations to avoid irritation.
Irritation
moderate
Source
natural
Cajeput leaf oil is a natural essential oil with antimicrobial properties that may help with acne, but it can be irritating for sensitive skin and should be used in low concentrations.
Irritation
moderate
Source
natural
A potent essential oil with cooling and antimicrobial benefits, but high irritation risk means it's best used in low concentrations or avoided by sensitive skin.
Irritation
high
Source
natural
Camphor branch/stem oil offers cooling and antimicrobial benefits but can be irritating for sensitive skin and should be used in low concentrations.
Irritation
moderate
Source
natural
Camphor Leaf Oil offers a cooling sensation and mild antimicrobial benefits, but its strong fragrance and potential for skin irritation mean it's best used in low concentrations and with caution for sensitive skin.
Irritation
moderate
Source
natural
A fragrant essential oil that may help balance oily skin and calm minor irritation, but requires careful dilution to avoid sensitivity.
Irritation
moderate
Source
natural
Clove Flower Oil offers antimicrobial and antioxidant benefits but is highly irritating and sensitizing, making it risky for most skincare routines.
Irritation
high
Source
natural
Clove stem oil can add fragrance and antimicrobial benefits to skincare, but its high eugenol content makes it a common skin irritant and allergen.
Irritation
moderate
Source
natural
A fragrant essential oil with antioxidant potential, but limited research and a moderate risk of skin irritation for sensitive types.
Irritation
moderate
Source
natural
Eucalyptus Dives Leaf Oil adds a fresh, herbal scent and may help with acne-prone skin, but it can be irritating for sensitive skin types.
Irritation
moderate
Source
natural
Fennel Fruit Oil adds a warm, herbal scent and offers antioxidant benefits, but its essential oil nature means it can irritate sensitive skin if used undiluted.
Irritation
moderate
Source
natural
Grass Tree Leaf Oil is a fragrant botanical oil with potential soothing and antimicrobial benefits, but it is best used in low concentrations due to possible skin sensitivity.
Irritation
moderate
Source
natural
Greek sage oil offers antimicrobial and antioxidant benefits but can be irritating for sensitive skin, especially at high concentrations.
Irritation
moderate
Source
natural
Hiba wood oil is a natural essential oil with promising antimicrobial and antioxidant benefits, but its strong scent and potential for skin irritation mean it's best used in low concentrations and patch-tested first.
Irritation
moderate
Source
natural
Hyssop Leaf Oil offers antimicrobial and soothing benefits but can be irritating for sensitive skin and is best used in low concentrations.
Irritation
moderate
Source
natural
Kunzea oil offers a pleasant, earthy scent and potential soothing benefits, but its essential oil nature means it can be irritating for sensitive skin and lacks strong research backing.
Irritation
moderate
Source
natural
A fragrant essential oil with traditional use for soothing skin, but limited modern research and a moderate risk of irritation for sensitive skin.
Irritation
moderate
Source
natural
Marjoram herb oil adds a warm herbal scent and mild antioxidant benefits, but it can irritate sensitive skin and is best used in low concentrations.
Irritation
moderate
Source
natural
A fragrant essential oil with antioxidant potential, but may irritate sensitive skin and is best used in low concentrations.
Irritation
moderate
Source
natural
Mastic Thyme Flower Oil offers antimicrobial and antioxidant benefits but can be irritating for sensitive skin due to its essential oil nature.
Irritation
moderate
Source
natural
Mastic thyme oil offers antimicrobial and antioxidant benefits but can be irritating for sensitive skin; use in low concentrations.
Irritation
moderate
Source
natural
A fragrant essential oil with mild antimicrobial potential, best used in low concentrations to avoid skin irritation.
Irritation
moderate
Source
natural
A botanical essential oil with antimicrobial potential, but limited research and a risk of skin irritation for sensitive individuals.
Irritation
moderate
Source
natural
A refreshing mint oil that can add a cooling feel to products but may irritate sensitive skin.
Irritation
moderate
Source
natural
Niaouli leaf oil is a natural essential oil with antimicrobial and soothing properties, but it can be irritating for sensitive skin and should be used in low concentrations.
Irritation
moderate
Source
natural
Niaouli oil can help calm blemishes and add a fresh scent, but it may irritate sensitive skin if used at high concentrations.
Irritation
moderate
Source
natural
Nutmeg Kernel Oil adds a warm, spicy scent and may help with blemishes, but it can irritate sensitive skin and is best used in low concentrations.
Irritation
moderate
Source
natural
A fragrant essential oil with antimicrobial potential, but it can be irritating for sensitive skin and is best used in low concentrations.
Irritation
moderate
Source
natural
A fragrant essential oil with some antimicrobial potential, but limited research on skin benefits and a moderate risk of irritation.
Irritation
moderate
Source
natural
Ravensara Aromatica Twig Oil adds a pleasant scent and may offer mild skin-soothing benefits, but it can be irritating for sensitive skin and is best used in low concentrations.
Irritation
moderate
Source
natural
Camphor leaf oil can provide a cooling sensation and mild antimicrobial benefits, but it is a potent essential oil that may irritate sensitive skin and should be used in low concentrations.
Irritation
moderate
Source
natural
Spanish Sage Oil offers antimicrobial and soothing benefits but can be irritating for sensitive skin if used undiluted or at high concentrations.
Irritation
moderate
Source
natural
Sweet Fennel Fruit Oil adds a pleasant scent and antioxidant benefits, but can be irritating for sensitive skin if used undiluted.
Irritation
moderate
Source
natural
Tea tree oil is a natural antimicrobial that can help with mild acne, but it must be used at safe concentrations to avoid skin irritation.
Irritation
moderate
Source
natural
Thuja Leaf Oil offers antimicrobial benefits but can be irritating for sensitive skin; use with caution.
Irritation
moderate
Source
natural
A potent essential oil with antimicrobial potential, but its strong nature and limited skincare research mean it's best used cautiously in low concentrations.
Irritation
moderate
Source
natural
Thymus Zygis Flower Oil offers antimicrobial and antioxidant benefits, but its strong fragrance and potential for irritation mean it's best for those with resilient skin.
Irritation
moderate
Source
natural
Tree Wormwood Herb Oil offers potential soothing and antimicrobial benefits, but its potency and lack of broad safety data mean it's best used in low concentrations and with caution.
Irritation
moderate
Source
natural
Vitex Leaf Oil adds a natural botanical scent and potential antioxidant benefits, but its essential oil nature means it can be irritating for sensitive skin.
Irritation
moderate
Source
natural
A fragrant botanical oil with potential soothing and antimicrobial benefits, but limited research and a risk of skin irritation for sensitive individuals.
Irritation
moderate
Source
natural
Wormwood oil offers antimicrobial and soothing benefits but can be irritating for sensitive skin and requires careful dilution.
Irritation
moderate
Source
natural
Zanthoxylum Alatum Fruit Oil adds a natural, spicy scent to products but may irritate sensitive skin due to its essential oil nature.
Irritation
moderate
Source
natural