Photo by: StyleCaster
It's not just the beauty product itself that is at risk of expiring - it's the individual ingredient within the product. For example, the benzoyl peroxide in an acne gel expires three months after being opened, so that ingredient becomes inactive and is no longer able to do its job. Other popular ingredients like vitamin C, antioxidants, glycolic acids and retinols break down when exposed to sunlight and heat.
Photo by: StyleCaster
It's not just the beauty product itself that is at risk of expiring - it's the individual ingredient within the product. For example, the benzoyl peroxide in an acne gel expires three months after being opened, so that ingredient becomes inactive and is no longer able to do its job. Other popular ingredients like vitamin C, antioxidants, glycolic acids and retinols break down when exposed to sunlight and heat.