Kerassentials is a doctor-formulated oil-based serum designed to eliminate fungal infections affecting the skin and nails. Unlike creams that sit on the surface, Kerassentials penetrates deep into the nail bed and skin layers to tackle fungus at the root. Created by Dr. Kimberly Langdon, a medical professional specializing in fungal diseases, this formula combines essential oils, vitamins, and plant extracts known for their antifungal, anti-inflammatory, and healing properties.