Spring is finally here, and just like we refresh our homes, it’s a great time to do the same for our skincare. Expired products don’t just lose their effectiveness; they can cause irritation, breakouts and even infections. Now’s the time to check those expiration dates, throw out anything past its prime and make space for formulas that will keep our skin healthy, happy and glowing.
How to check if your skincare has expired
Most people don’t realise that skincare products have a shelf life – so if you’re using an old serum or moisturiser, it might be doing your skin more harm than good. Active ingredients like vitamin C and retinol degrade over time, making them less effective or even irritating. Expired products can also become a breeding ground for bacteria, leading to breakouts and disruption of the skin’s microbiome.
So, how do you know if it’s time to throw out a product? Start by checking the PAO (period after opening) symbol on the packaging. This small open-jar icon usually has a number (like 6M or 12M), indicating how many months the product is safe to use after opening. For products with active ingredients like retinol or vitamin C, look for a printed expiration date, as these formulas have a shorter lifespan.
As a general rule, anything that’s been sitting on your shelf for over a year, especially if it contains water, is probably no good. If a product smells off, has changed colour, separated or turned lumpy, it’s time to bin it.
I like to keep track of when I open new products by writing the date on the packaging – it makes it so much easier to track when it’s time for a refresh.

Can you use last year’s sunscreen?
I often get asked if it is safe to use last year’s sunscreen. Always check the expiration date on your sunscreen and if the formula has separated or has a strange smell, it’s time to invest in a fresh bottle. If it has been over a year since you opened it, it’s best to replace it – especially if it has been exposed to heat or direct sunlight. Expired sunscreen can leave skin vulnerable to sun damage, as the active ingredients in SPF break down over time, reducing their effectiveness in blocking harmful UV rays.
Clean your make-up brushes
Your skincare products are not the only thing that needs monitoring – your make-up tools can also harbour bacteria, leading to breakouts, rashes and infections. Make-up brushes and sponges collect oil, dead skin cells and leftover product, creating the perfect breeding ground for bacteria. If not cleaned regularly, they can cause recurring skin issues like acne and rashes.
To prevent this, wash your tools at least once a week with a gentle cleanser or brush cleaner. Allow them to air dry completely before use. You should also check your make-up products for expiration dates – liquid formulas like foundation and mascara are especially prone to bacterial contamination and should be replaced regularly.
Now that you’ve decluttered your skincare shelf, it’s the perfect time to update your routine with fresh, effective products that better suit your skin’s needs at this time of year. If you’re looking for new skincare inspo – check out our range of doctor developed formulas.

Dr Munir Somji is a cosmetic surgeon and co-founder of DrMediSpa, located in Marylebone, Knightsbridge and Loughton. He has over a decade of experience in performing and teaching advanced aesthetic non-surgical and surgical procedures. Recognising the impact of skin health and the link to confidence and wellbeing, Dr Somji is passionate about restoring patient confidence and has gained himself a reputation for his meticulous work, reassuring manner and performing treatments that deliver subtle results.