When trying new Korean skincare products, it's important to consider how your skin might react, especially if you have sensitive skin. The serum mentioned caused itching and discomfort, similar to the sensation of scratching bits of glass on the skin, indicating potential irritation or an allergic reaction. Such responses can occur due to strong active ingredients or allergens present in the formulation. On the other hand, the moisturizer was noted to enhance the skin's glow, which suggests it contains brightening or hydrating agents effective at improving dullness. However, its tendency to leave a white cast means it could have ingredients like zinc oxide or titanium dioxide, which are commonly found in physical sunscreens or certain moisturizers. This white cast effect may not appeal to everyone, especially those with medium to deep skin tones. For individuals looking to build a Korean skincare routine, it's advisable to patch test products first and gradually introduce new items. Opt for formulations tailored to your skin type—if you have sensitive skin, choose fragrance-free and hypoallergenic products. Additionally, layering products properly, starting with lighter serums and finishing with heavier creams or moisturizers, can optimize effectiveness and minimize adverse reactions. Exploring #koreanskincare communities can offer insights from fellow users who share their experiences and recommendations. Hashtags like #createwithjenn also suggest creative or personalized skincare approaches, which can inspire finding customized routines. Ultimately, skincare is highly individual. Reviews like this one help highlight the importance of listening to your skin's responses and selecting products that enhance skin health without discomfort.