The short answer: Yes, all batteries lose capacity over time, even sitting unused in the package, but how fast depends entirely on the chemistry. Alkaline batteries typically last 5 to 10 years in storage. Lithium primary
The short answer: Not really, but the can does have a practical shelf life. WD-40 states an official shelf life of 5 years from the date of production, mostly for liability reasons. The formula itself is a
The short answer: It depends on what kind you have. Cosmetic mouthwash, the kind that just freshens breath with no other claims, isn't required to carry an FDA expiration date and holds up for a
The short answer: Eventually, yes, though not in a way that's usually dangerous. Standard shampoo is a cosmetic product, and the FDA doesn't require cosmetics to carry an expiration date. Medicated shampoo, the kind that treats
The short answer: Yes, and it happens whether you use it or not. Hydrogen peroxide is chemically unstable by nature. It constantly breaks down into water and oxygen gas, even sealed in the bottle on
The short answer: Acetone-based remover barely goes bad at all, since acetone itself is chemically stable and doesn't break down over time. What it loses is concentration, as acetone slowly evaporates every time the bottle is
The short answer: The kit itself, the plastic box or nylon pouch, doesn't expire. What's inside it does, and not all at the same rate. According to the American Red Cross, most first aid kit contents can last up to
The short answer: Yes, and probably faster than you'd expect. Clorox's own guidance states that properly stored disinfecting bleach lasts up to a year, and after that, the active ingredient breaks down fast enough that it's
The short answer: Yes, but not the way food does. Rubbing alcohol (isopropyl alcohol) doesn't grow mold or ferment. It loses effectiveness because the alcohol itself slowly evaporates, especially once the bottle has been
The short answer: Charcoal itself doesn't expire. It's essentially pure carbon, and carbon doesn't decompose, ferment, or break down chemically over time, which is why archaeologists routinely find usable charcoal from
The short answer: Yes, eventually, though it takes years rather than months. Motor oil doesn't spoil the way food does, but it isn't inert forever either. Mobil's own guidance recommends a five-year maximum shelf life for its
The short answer: Barely, and for a genuinely different reason than almost anything else in this household series. Petroleum jelly is a mixture of mineral oils and waxes with no water in it at all, which means it
