Coppertone is a well-known brand of sunscreen and sun care products that has become synonymous with sun protection in the United States. The brand is recognized for its distinctive logo featuring a young girl with pigtails, often seen playing on the beach, which emphasizes the idea of fun in the sun while promoting skin safety. This brand's significance extends beyond its products, as it exemplifies how trademarks can evolve from generic terms to distinctive identifiers of brand identity and consumer trust.