I've recently started using the K-SECRET Seoul 1988 Retinal Serum and wanted to share my personal experience with this product. This serum incorporates retinal, a potent derivative of vitamin A, known for its ability to accelerate cell turnover and improve skin texture. After consistent use for several weeks, I noticed my skin felt smoother and showed a noticeable glow. One of the appealing aspects of this serum is that it balances effectiveness with gentleness, which is great because some retinal products can cause irritation, especially for sensitive skin types. I experienced minimal redness or dryness, which made it easier to integrate it into my daily skincare routine. I found that applying it at night allowed my skin to absorb the serum fully and benefit from its restorative properties while I slept. Additionally, the lightweight texture ensures it layers well under moisturizers without leaving a sticky residue. This is important because it encourages regular use without discomfort. The 'WANT IT' sentiment I keep seeing online is understandable, as many skincare enthusiasts are looking for high-performance serums like this. For those interested in incorporating retinal into their skincare but concerned about sensitivity, I recommend starting with a small amount and gradually increasing frequency. Pairing the serum with a good SPF during the day is essential because retinal can increase skin's sensitivity to sunlight. Overall, K-SECRET Seoul 1988 Retinal Serum stands out as a promising option for anyone looking to improve skin radiance and address signs of aging. My skin feels revitalized, and the formula’s balance of potency and mildness makes it accessible for various skin types.