The Hidden Dangers of Expired Skincare Products Revealed

Skincare enthusiasts understand the struggle of letting go of beloved products, even when they're past their expiry date. However, Kiehl’s Skincare Experts advise against it. Using expired products not only reduces effectiveness but can also cause bacteria growth and skin irritation.

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According to Kiehl’s, skincare products gradually degrade over time due to ingredients, preservatives, and packaging. If you notice any itching or changes in smell or texture, it's time to discard the product. Nada Ward, founder of Beauty Kin, explains that expired products, especially those with active ingredients, can lead to bacterial growth and skin reactions.

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Look for the PAO symbol (period after opening) on skincare products in the UK. It indicates the recommended duration of use, usually 6 months or 12 months. Experts advise replacing products after this period to avoid any negative effects.

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Expired skincare products not only become less effective but can also lead to chemical alterations. Sunscreens, if used past their expiration date, won't provide the intended protection. Additionally, bacterial contamination may cause skin irritation, rashes, and even eye infections, making it crucial to be cautious, especially for those with sensitive skin.

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Signs of expiration can vary depending on the formulation, temperature, time, and physical stress. Water-based products are more susceptible to bacterial growth compared to oil-based ones. If a product lacks an expiry PAO or you can't recall the opening date, check for changes in color, smell, or texture. Proper storage in a cool, dark place away from humidity and direct sunlight will help prolong the shelf life of skincare products.