Product details, positive and negative aspects, and ingredients or materials of soft square nails are discussed in the search results. Here is a summary of the information:

• Product Details: Soft square nails are a type of artificial nail that can be used for nail extensions or as a base for nail polish. They come in different sizes and shapes, including square, squared oval, rounded, almond, ballerina/coffin, mountain peak, lipstick, and stiletto. Soft gel nail tips are a new type of gel nail extension that is commonly referred to as Gel-X. They are precut in differing styles and lengths, which cover the whole nail bed up to the end of the nail.

• Positive Aspects: Soft square nails are lightweight and easy to apply, making them perfect for beginners or those who want to do their nails at home. Soft gel nail tips are made of high-quality soft gel material, with strong toughness and malleability, not easy to break. They are also vegan-friendly, sulfate-free, cruelty-free, and paraben-free.

• Negative Aspects: Some nail products, including artificial nail removers, contain potentially harmful ingredients, such as acetonitrile, which can be toxic if ingested. Formaldehyde is an ingredient in some nail hardeners and nail polishes, which may make nails brittle and more likely to break or peel if used often.

• Ingredients or Materials: Soft square nails can be made of different materials, including acrylic glass (PMMA) mixed with a liquid monomer, which forms acrylic nails. Soft gel nail tips are made of soft gel material. Some nail products contain potentially harmful ingredients, such as acetonitrile in artificial nail removers and formaldehyde in some nail hardeners and nail polishes.

In summary, soft square nails are a type of artificial nail that can be used for nail extensions or as a base for nail polish. They come in different sizes and shapes, including square, squared oval, rounded, almond, ballerina/coffin, mountain peak, lipstick, and stiletto. Soft gel nail tips are a new type of gel nail extension that is commonly referred to as Gel-X. They are made of high-quality soft gel material, with strong toughness and malleability, not easy to break. However, some nail products, including artificial nail removers and some nail hardeners and nail polishes, contain potentially harmful ingredients, such as acetonitrile and formaldehyde.