Shelf Life Guidelines
The shelf life of a cosmetic product refers to the length of time a product remains usable, stable, and safe to apply, typically determined by the manufacturer. Here are some general guidelines and factors that influence the shelf life of various cosmetic products: General Shelf Life Guidelines Unopened Products : Skincare Products : 1 to 3 years. Makeup : 1 to 3 years. Perfumes : 3 to 5 years. Nail Polish : 1 to 2 years. Sunscreen : Up to 3 years (check expiration date). Opened Products : Mascara and Liquid Eyeliner : 3 to 6 months. Foundation and Concealer : 6 to 12 months. Lipstick and Lip Gloss : 1 year. Powder Products (e.g., blush, eyeshadow) : 1 to 2 years. Skincare Products : 6 months to 1 year. Nail Polish : 1 to 2 years. Perfume : 1 to 2 years once opened. Factors Affecting Shelf Life Ingredients : Natural and organic products without preservatives often have shorter shelf lives. Packaging : Air-tight and opaque packaging can help extend shelf life by reducing exposure to a