PSI Texas State Board Nail Tech practice exam

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What ingredient is commonly found in nail strengtheners?

Acetone
Formaldehyde
Glycerin
Aloe vera

The correct answer is: Formaldehyde

Formaldehyde is a commonly used ingredient in nail strengtheners due to its effective bonding capabilities. It acts as a hardener that helps to fortify weak or brittle nails, making them more resistant to breakage and damage. In formulation, it facilitates the cross-linking of keratin proteins within the nail, which enhances durability and strength. This makes formaldehyde an important component for those seeking to improve the condition and resilience of their nails. Other options do not serve the primary purpose of strengthening nails in the same way. Acetone is primarily a solvent used for removing polish and does not contribute to nail strength. Glycerin is a humectant that helps hydrate the nail but does not strengthen it. Aloe vera is known for its soothing and moisturizing properties, but it does not have the hardening effects that formaldehyde provides. Thus, formaldehyde stands out as the key ingredient in nail strengtheners aimed at improving nail integrity.