Based on the search results, here is some information about nail care products:

Positive:

• Nail-Aid is a national nail care brand that offers customers clean formulas that are 100% vegan and cruelty-free.

Negative:

• Many nail products contain potentially harmful ingredients, but are allowed on the market because they are safe when used as directed.
• Products used in nail salons may contain chemicals that can affect worker health.
• Harmful substances such as toluenesulfonamide-formaldehyde resin and methacrylates have been identified in commercial nail products, leading to several adverse effects.

Ingredients or materials:

• Acetonitrile is a common ingredient in artificial nail removers.
• Some nail products contain resins.
• Some nail polishes contain toluene, formaldehyde, and DPB, which are considered harmful.
• Revlon nail polish contains aluminum powder, which is on the no-go list.
• Nail hardeners can cause allergic contact dermatitis.
• Nail wraps can be corrosive to mucus membranes and cause dermal burns.

It is important to use nail products safely, following labeled directions and paying attention to any warning statements.