How to Patch Test New Skincare Products: A Step-by-Step Guide for Brits
1. Why Patch Testing Is Essential for BritsIf you’re living in the UK, you’ll know that our famously unpredictable weather can be a real challenge for your skin. One minute it’s pouring with rain, the next we’re battling a brisk wind or surprise sunshine—no wonder our complexions can feel a bit sensitive! That’s why patch…