I am not familiar with "Korex" under-eye patches for lightening dark circles.

Gel patches under the eyes with charcoal from Mani Curex are a practical and effective solution for caring for the under-eye area, designed to help brighten, purify, and deeply hydrate the skin. The rich gel formula gives the eyes a more refreshed and pure appearance with regular use, for an easy at-home care experience and tangible results. Main function: Brightening the under-eye area Purifying the skin from impurities Hydrating and soothing sensitive skin Improving the appearance of fatigue and dark circles Suitable for skin Suitable for all skin types Ideal for oily and combination skin Suitable for normal skin Can be used on sensitive skin around the eyes ⚠️ It is recommended to perform a patch test before use on very sensitive skin Product features: Enriched with activated charcoal (Charcoal) Helps brighten and purify the under-eye area Lightweight gel formula and easy to absorb Provides an instant feeling of hydration and freshness Practical packaging containing 4 pairs Easy to use at home Suitable for regular use Product benefits: Reducing the appearance of dark circles Purifying the skin from impurities Deep hydration for the under-eye area Enhancing skin radiance and healthy appearance Soothing the appearance of fatigue and tiredness How to use: Clean and dry the under-eye area. Gently remove the gel patch from the package. Place the patch under the eye, ensuring full contact with the skin. Leave it for 15–20 minutes. Remove the patch and gently massage the remaining serum until absorbed. 🔹 Preferably use 2–3 times a week or as needed. Main ingredients: Activated charcoal (Charcoal) Moisturizing and nourishing ingredients for the skin Special gel compounds for caring for the under-eye area (Ingredients may vary by batch – it is recommended to check the package) ⚠️ Warnings: For external use only Avoid direct contact with the eyes Do not use on irritated or wounded skin If any irritation occurs, discontinue use Keep out of reach of children Store in a cool, dry place away from sunlight