One Size On 'Til Dawn Mattifying Waterproof Setting Spray comes in a 1-ounce portable bottle, designed to lock makeup in place with a matte finish. This setting spray features a waterproof formula that helps resist moisture, sweat, and humidity, making it suitable for extended wear or outdoor activities. The mattifying effect works to reduce visible shine on the skin, benefiting those with normal to oily skin types or anyone seeking a non-glossy surface. Its lightweight texture dries down without a sticky residue, allowing makeup to stay intact throughout the day. The formula is free from common irritants in many setting sprays, including alcohol and fragrance, which may help minimize dryness or sensitivity. Key ingredients such as film-forming polymers create a flexible barrier that holds foundation, concealer, and powder in place without caking or flaking. The spray nozzle delivers an even mist that can be applied before or after makeup application. This product is vegan and cruelty-free, aligning with preferences for ethically sourced cosmetics. The compact 1-ounce size is travel-friendly and fits easily into a handbag or cosmetics pouch. While the spray provides durable hold, individual results depend on skin type, application technique, and environmental factors. It is not intended to replace a primer or moisturizer but serves as a final step to extend makeup wear time. The waterproof claim refers to resistance against water contact, not to prolonged submersion. As with any setting spray, patch testing is recommended to ensure compatibility.