Nine Free

is a liquid solvent that smells like paint thinner. You can be exposed to toluene by breathing it in or getting it on your skin, causing skin irritation. Unfortunately, inhaling high levels of toluene is said to be harmful to your nervous system and can cause light-headedness and nausea.

is a commonly used plasticizer and has been linked to cancer.

is a commonly used chemical to preserve and embalm dead animals and humans. Its vapors are also irritating and can trigger asthma. Formaldehyde is also a known human carcinogen, a factor directly involved in causing cancer.

a derivative of Formaldehyde, mainly used in the production of coatings and adhesives. It is not as toxic as Formaldehyde but can be an allergen.

this chemical acts as a cover on your nails, depriving them of nutrients and causing yellow staining on your nails.

is irritating to the skin, eyes, and respiratory tract. It can cause systemic toxicity by ingestion or inhalation.

is a chemical used in plastics to improve flexibility and as a flame retardant. A handful of animal studies and in vitro studies have suggested that it could be an endocrine disrupter which affects your hormones

these are preservatives that have gotten a bad rep for their estrogen-mimicking effects, which past research has suggested may trigger major health concerns like hormonal problems

a plasticizer that helps transform polish from drippy to dry in minutes. This ingredient has already been barred from personal care products in Europe due to its antibiotic properties and concern over antibiotic resistance.