UREA

UREA [yoo-REE-uh]

What it is: An organic compound that has a superhydrating effect on skin cells. This emollient improves the appearance of dry, rough skin by hydrating and smoothing the epidermis while also sloughing away dead skin cells.
How to use it: Synthetically formulated and used in skincare products for its moisturizing and natural, gentle exfoliating properties. Urea is found in footcare products as it’s an anti-itch ingredient, so offers relief while, soothing and hydrating the skin.

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FORMALDEHYDE

FORMALDEHYDE [fawr-mal-duh-hahyd]

What it is: A colorless, flammable, strong-smelling, water-soluble gas, CH2O, usually derived from methyl alcohol by oxidation, which is used chiefly as a disinfectant and preservative, and in the manufacture of various resins and plastics. It can be found in many household products and materials such as fabrics, furniture and flooring.
How to use it: A reactive chemical ingredient, it is often used to cross-link nail keratin to improve hardness. It is used in the manufacture of nail products as a hardener in small quantities and at these low levels is deemed safe for use.

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CAMPHOR

CAMPHOR [kam-fer]

What it is: An active ingredient distilled from the bark of the camphor tree. It’s use in nail products has been controversial.
How to use it: Known to be active against fungi that can cause nail infections. Synthetic versions have been used in nail polish to help with shine, adhesion and elasticity.

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