Swirl nail art is a popular trend in the nail industry. It involves creating a swirling pattern on the nails using nail polish or other materials. The search results provide information on different products related to swirl nail art, including nail polishes, gel polishes, and press-on nails. The ingredients of these products vary, but many of them are vegan, cruelty-free, and free of harmful toxins. The positive aspects of swirl nail art include its versatility and the ability to create unique designs. However, some negative aspects include the potential for damage to the nails and the use of harmful chemicals in some products.