When it comes to using Medicube PDRN skincare, it's common to experience what some call a 'purging phase,' where your skin appears to breakout or become irritated before it improves. This happens because PDRN stimulates skin cell renewal, which can bring underlying impurities and congestion to the surface. From my own experience and observations, this purging effect usually lasts between one to three weeks, depending on individual skin type and condition. It’s important to differentiate purging from an allergic reaction or regular acne caused by product incompatibility. Purging is typically accompanied by small, temporary bumps and increased exfoliation, whereas allergic reactions might cause redness, itching, or prolonged irritation. To manage this phase effectively, start by introducing Medicube PDRN gradually into your skincare routine—use it every other day initially to allow your skin to adjust. Always pair PDRN with gentle cleansers and hydrating moisturizers to soothe the skin barrier. Avoid adding multiple active ingredients that exfoliate aggressively at the same time, as this can exacerbate irritation. Remember, the goal of a skincare routine is not only to add beneficial products but to incorporate them wisely. Paying attention to your skin's responses and adjusting usage according to how your skin adapts can enhance results and reduce negative effects. Lastly, always patch test new products like Medicube PDRN on a small area before full application, and consult a dermatologist if breakouts persist or worsen. Understanding these nuances can transform how we approach Korean skincare products and help us achieve healthier, clearer skin over time.