Why does your skincare always say "Store in a Cool, Dry Place"?
2 Minutes Read.
Most of us have seen it, maybe even followed it… but have you ever wondered why it’s such a big deal? Well, it’s not just for fun or a random guideline — there’s actually a pretty important science behind it.
(“Store in a Cool, Dry Place” is more than just keeping them fresh!)
Heat & Humidity is the Skincare’s Worst Enemy
Exposure to heat, humidity, and direct sunlight can trigger something called ingredient degradation. In simple terms, this means your skincare ingredients can break down over time — and when that happens, their benefits may disappear… or worse, they might turn into something harmful.
(A sample illustration for the potential ingredient degradation that is caused by heat or humid)
One of the More Concerning Example – BPO
One of the more concerning examples is Benzoyl Peroxide (BPO) — a common ingredient used to treat acne. Studies have found that when expose to extreme heat or long exposure to heat, BPO can degrade and potentially form benzene, a harmful chemical linked to health risks.
You can read more detailed info about the BPO potential harm here from healthline.com.
The Importance of Proper Storage
This highlights the importance of proper storage — especially when we are living in a hot and humid climate. After all, good skincare doesn’t just come from good ingredients — it comes from how well you care for them too.
Keeping your products in a cool, dry place not only helps them last longer but also keeps their ingredients stable and safe to use!
