For sale: Nail Strengthener Nail 15 For 30 Riyals Riyadh. Contact via WhatsApp only. Strengthens nails and prevents cracking or breaking. Moisturizes nails and the surrounding skin. Gives nails a healthy shine and reduces the formation of fungi or bacteria. Contributes to removing excess skin around the nail. How to use: Wash hands and nails thoroughly and dry them completely. Apply a few drops (one to two drops) to the nail itself and the surrounding skin. Gently massage the solution until fully absorbed. Can be used 2 to 3 times daily.