Disclosed is a skin preparation composition for external use containing complex hyaluronic acid as an active ingredient, and specifically relates to a skin preparation composition for external use that contains hyaluronic acid, sodium hyaluronate, and hydrolyzed hyaluronic acid as active ingredients, and are excellent in an active oxygen scavenging effect, a wrinkle improvement effect, a moisturizing effect, a skin irritation relief effect, an acne prevention effect, an atopy improvement effect, and an anti-inflammatory effect, an hair damage prevention effect, and a hair loss prevention and hair growth effect.