OPI Nail Envy Nail Strengthener - Original

Other types of astringent alcohols include:

According to the National Rosacea Society based in the US, you should be mindful of products with these alcohols in the top half of ingredients.

Any type of sanitizing product will have high amounts of alcohol to help kill bacteria and viruses.

This ingredient is considered to be toxic and carcinogenic in high amounts by the US, Canada, Australia, and the EU.

According to the government of Australia, this ingredient is water-soluble, rapidly metabolized in the body, and only tiny amounts are absorbed through skin.

Some preservatives release formaldehyde as a side-product. These are required to be labeled "contains formaldehyde" in the EU.

According to the FDA, these are formaldehyde-related ingredients on labels:

Tiny amounts are allowed in products such as hand cream, bath products, nail treatments, lotions, mouth wash, hair products, eye makeup, vaginal deodorants, and shaving cream.

Formaldehyde is water-soluble.

Irritation or contact-dermatitis usually occurs in levels exceeding 0.1% of this ingredient.

Camphor also possesses antibacterial and antifungal properties.

One study found camphor to be a potential anti-wrinkle ingredient. This might be due to its ability to increase elastin and collagen production. Collagen and elastin are responsible for plump and youthful looking skin.

It is best to use cosmetics with a small amount of camphor under 11%. Using topical camphor may induce irritation and redness.

In the past, camphor was traditionally made by distilling the wood of the camphor tree.

If you spot Citric Acid near the end of an ingredient list, it's likely there as a pH adjuster rather than an active ingredient.

Read more about some other popular AHA's here:

Dimethicone comes in different viscosities:

Depending on the viscosity, dimethicone has different properties.

Ingredients lists don't always show which type is used, so we recommend reaching out to the brand if you have questions about the viscosity.

This ingredient is unlikely to cause irritation because it does not get absorbed into skin. However, people with silicone allergies should be careful about using this ingredient.

Note: Dimethicone may contribute to pilling. This is because it is not oil or water soluble, so pilling may occur when layered with products. When mixed with heavy oils in a formula, the outcome is also quite greasy.

Our bodies use Calcium Pantothenate for various metabolic functinos. These functions include metabolizing carbohydrates, proteins, and fatty acids.

Ci 77891 is commonly found in sunscreens due to its ability to block UV rays.