Breastfeeding
Skincare ingredients to avoid while breastfeeding
Breastfeeding asks a narrower question than pregnancy does: not what crosses a placenta, but what reaches milk or reaches a baby's skin directly. 512 ingredients carry a breastfeeding flag in this catalogue, 217 of them marked avoid.
Flagged means avoid, high risk or medium risk in this profile. A good share of these flags are about transfer rather than about toxicity: an ingredient that is unremarkable on a forearm can matter a great deal on a nipple, or on a hand a baby puts in its mouth. Every ingredient below has its own page with the level, the evidence behind it and the safer options the catalogue names. The full index is at all ingredients, A to Z.
Flagged
512
Ingredients carrying avoid, high risk or medium risk for breastfeeding.
Not Recommended
217
Avoid and high risk together. Use something else while this profile applies.
Caution Advised
295
Medium risk. Worth reading the assessment before the product goes in the basket.
Catalogue read 15 September 2026. Every figure on this page comes out of that snapshot.
Caution Advised
295 of the 512 ingredients flagged for breastfeeding.
Medium risk. Published guidance stops short of advising against these, and usually turns on how much, how often, or over how much skin. Open an ingredient to see what the concern actually is.
- Perfluorodimethylcyclohexane
Passes into breast milk, Infant exposure
Medium risk - Persicaria Hydropiper Extract
Passes into breast milk
Medium risk - Solanum Aviculare Fruit Extract
Passes into breast milk
Medium risk - 2-Methyl-5-Hydroxyethylaminophenol
Absorbed into the body
Medium risk - Cinnamomum Cassia Oil
Irritant, Infant exposure
Medium risk - Ethyl Perfluorobutyl Ether
Passes into breast milk, Infant exposure
Medium risk - Lanthanum Chloride
Absorbed into the body, Passes into breast milk
Medium risk - Leonurus Sibiricus Extract
Passes into breast milk
Medium risk - Nonoxynol-12
Endocrine disruptor, Infant exposure
Medium risk - Symphytum Officinale Callus Culture Extract
Passes into breast milk, Infant exposure
Medium risk - Thuja Plicata Wood Oil
Passes into breast milk
Medium risk - Cysteamine Hcl
Passes into breast milk
Medium risk - Hydrolyzed Lepidium Meyenii Root
Passes into breast milk, Interferes with hormones
Medium risk - Isopropylphthalimide
Absorbed into the body, Infant exposure
Medium risk - 2-Amino-6-Chloro-4-Nitrophenol
Absorbed into the body, Infant exposure
Medium risk - Acorus Gramineus Extract
Passes into breast milk, Infant exposure
Medium risk - Butoxyethanol
Absorbed into the body, Passes into breast milk
Medium risk - Chromium
Absorbed into the body, Infant exposure
Medium risk - Origanum Heracleoticum Flower Oil
Passes into breast milk, Infant exposure
Medium risk - Pimpinella Anisum Seed Oil
Passes into breast milk
Medium risk - Salvia Sclarea Flower/Leaf/Stem Water
Hormone disruptor
Medium risk - Octoxynol-12
Endocrine disruptor, Infant exposure
Medium risk - Aphanizomenon Flos-Aquae Powder
Passes into breast milk
Medium risk - Dimethylaminopropylamine
Irritant, Common allergen
Medium risk - Fumaria Officinalis Extract
Passes into breast milk
Medium risk - Hypericum Erectum Flower/Leaf/Stem Extract
Passes into breast milk
Medium risk - 4-Hydroxypropylamino-3-Nitrophenol
Absorbed into the body, Infant exposure
Medium risk - Ethyl Perfluoroisobutyl Ether
Passes into breast milk, Absorbed into the body
Medium risk - Melaleuca Leucadendron Cajuputi Leaf Oil
Passes into breast milk, Infant exposure
Medium risk - Origanum Vulgare Leaf Oil
Passes into breast milk, Irritant
Medium risk - Alcloxa
Passes into breast milk
Medium risk - Citrus Aurantifolia Fruit Oil
Passes into breast milk, Infant exposure
Medium risk - Methyl Eugenol
Absorbed into the body
Medium risk - O-Phenylphenol
Passes into breast milk, Endocrine disruptor
Medium risk - Octoxynol-10
Endocrine disruptor, Passes into breast milk
Medium risk - Amniotic Fluid
Common allergen, Passes into breast milk
Medium risk - Cannabis Sativa Cell Culture Extract
Passes into breast milk, Infant exposure
Medium risk - Griffonia Simplicifolia Seed Extract
Passes into breast milk
Medium risk - Mentha Piperita Flower/Leaf/Stem Oil
May affect milk supply, Infant exposure
Medium risk - Perfluorononylethyl Stearyl Dimethicone
Passes into breast milk
Medium risk - Serenoa Serrulata Fruit Oil
Hormone disruptor, May affect milk supply
Medium risk - Aluminum Zirconium Trichlorohydrex Gly
Absorbed into the body, Infant exposure
Medium risk - Ammonium Thioglycolate
Irritant, Absorbed into the body
Medium risk - Citrus Aurantifolia Peel Powder
Increases sun sensitivity, Irritant
Medium risk - Kojyl Methylenedioxycinnamate
Passes into breast milk
Medium risk - Perfluoromethylcyclopentane
Passes into breast milk, Infant exposure
Medium risk - Salvia Lavandulifolia Leaf Oil
May affect milk supply
Medium risk - Annona Muricata Fruit Extract
Passes into breast milk
Medium risk - Ciclopirox Olamine
Passes into breast milk, Infant exposure
Medium risk - Coleus Forskohlii Oil
Passes into breast milk
Medium risk - Medium risk
- Frangula Alnus Bark Extract
Passes into breast milk, Infant exposure
Medium risk - Fucus Vesiculosus Powder
Passes into breast milk, Infant exposure
Medium risk - Panax Notoginseng Extract
Passes into breast milk, Infant exposure
Medium risk - Petasites Japonicus Root Extract
Passes into breast milk
Medium risk - Pimenta Officinalis Leaf Oil
Passes into breast milk, Infant exposure, Irritant
Medium risk - Pueraria Lobata Symbiosome Extract
Hormone disruptor, Infant exposure
Medium risk - Pueraria Montana Root Extract
Hormone disruptor, Infant exposure
Medium risk - Artemisia Annua Leaf Extract
Passes into breast milk
Medium risk - Curcuma Aromatica Root Oil
Passes into breast milk, Infant exposure
Medium risk - Cyclotrisiloxane
Passes into breast milk
Medium risk - Medium risk
- Hemidesmus Indicus Root Powder
Passes into breast milk
Medium risk - Sodium Usnate
Passes into breast milk
Medium risk - Stannous Chloride
Absorbed into the body
Medium risk - Vinca Minor Leaf Extract
Passes into breast milk, Infant exposure
Medium risk - Cinchona Calisaya Extract
Passes into breast milk, Infant exposure
Medium risk - Cinnamomum Cassia Bark/Syzgium Aromaticum Bud/Rosmarinus Officinalis Leaf/Thymus Vulgaris Leaf Oil
Passes into breast milk, Infant exposure
Medium risk - Dodecahydro-Tetramethylnaphthofuran
Passes into breast milk, Endocrine disruptor
Medium risk - Medium risk
- Hypericum Perforatum Flower/Leaf Extract
Passes into breast milk
Medium risk - Lavandula Intermedia Oil
Passes into breast milk, Infant exposure
Medium risk - Tribulus Terrestris Root Extract
Passes into breast milk, Hormone disruptor
Medium risk - 4-Oxo-2-Nonenal
Oxidative stress
Medium risk - Cannabigerol
Passes into breast milk, Infant exposure
Medium risk - Cineole
Passes into breast milk, Infant exposure
Medium risk - Hypericum Erectum Extract
Passes into breast milk, Infant exposure
Medium risk - Kalanchoe Daigremontiana Leaf Extract
Passes into breast milk
Medium risk - Methyl Benzodioxepinone
Passes into breast milk
Medium risk - Phenonip
Passes into breast milk, Hormone disruptor
Medium risk - Repagermanium
Passes into breast milk, Infant exposure
Medium risk - Saccharomyces/Lithospermum Erythrorhizon Root Oil Ferment Filtrate
Passes into breast milk
Medium risk - TEA-Hydroiodide
Passes into breast milk, Infant exposure
Medium risk - Thioglycolic Acid
Irritant, Infant exposure
Medium risk - Thymus Zygis Oil
Passes into breast milk, Infant exposure
Medium risk - Aluminum Lactate
Absorbed into the body, Infant exposure
Medium risk - Aluminum Sulfate
Absorbed into the body, Infant exposure, Irritant
Medium risk - Aluminum Zirconium Octachlorohydrex Gly
Absorbed into the body, Infant exposure
Medium risk - Arvensis Peppermint Oil
May affect milk supply
Medium risk - Coleus Forskohlii Root Oil
Passes into breast milk
Medium risk - Eucalyptus Radiata Leaf Oil
Passes into breast milk, Infant exposure
Medium risk - Flavesone
Hormone disruptor, Infant exposure
Medium risk - Lidocaine
Passes into breast milk, Infant exposure
Medium risk - Ligusticum Chuanxiong Root Extract
Passes into breast milk
Medium risk - Palmitoyl Methoxytryptamine
Passes into breast milk
Medium risk - Pelargonium Roseum Stem Oil
Absorbed into the body, Infant exposure
Medium risk - Medium risk
- Ptychopetalum Olacoides Bark/Root Extract
Passes into breast milk
Medium risk - Andrographolide
Passes into breast milk, Infant exposure
Medium risk - Artemisia Argyi Leaf Oil
Passes into breast milk
Medium risk - Copper Carbonate Hydroxide
Absorbed into the body, Passes into breast milk
Medium risk - Medium risk
- Eucalyptus Radiata Flower/Leaf/Stem Oil
Passes into breast milk, Infant exposure
Medium risk - Ginkgo Biloba Leaf
Passes into breast milk
Medium risk - Hypericum Perforatum Flower/Twig Extract
Passes into breast milk
Medium risk - Mentha Spicata Leaf/Stem Oil
May affect milk supply
Medium risk - Nepeta Cataria Oil
Passes into breast milk, Infant exposure
Medium risk - Ravensara Aromatica Leaf Oil
Passes into breast milk, Infant exposure
Medium risk - Ricinus Communis Root Extract
Passes into breast milk
Medium risk - Medium risk
- Anacardium Occidentale Extract
Common allergen, Passes into breast milk
Medium risk - Angelica Dahurica Extract
Hormone disruptor, Increases sun sensitivity, Passes into breast milk
Medium risk - Argemone Mexicana Callus Extract
Passes into breast milk
Medium risk - Australian Sandalwood Oil
Passes into breast milk
Medium risk - Basic Red 46
Absorbed into the body
Medium risk - Berberis Aristata Root Extract
Passes into breast milk
Medium risk - Betula Lenta Bark Oil
Absorbed into the body, Passes into breast milk
Medium risk - Cinnamomum Camphora Linalooliferum Wood Extract
Passes into breast milk
Medium risk - Cinnamomum Verum Powder
Passes into breast milk, Infant exposure
Medium risk - Juniperus Communis Sprout Extract
Passes into breast milk
Medium risk
The same ingredient, answered four other ways.
An ingredient is not safe or unsafe on its own. It is safe or unsafe for a person at a point in their life, which is why the same name sits in one list and not in another.
The short way
Check the tube before it goes near the baby.
Truva answers for breastfeeding as its own profile, including the ingredients that only become a problem because of where you are putting them.
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