The Cure uses patented technologies to harden soft nails. The Cure works through a strong hardening aldehyde. In addition, the nail hardener contains a mixture of natural active ingredients that moisturize, protect and repair nails.After about 3 weeks of regular use:less brittle nails, improved nail conditionminimized chippingvisibly more shineThe nail hardener is alsobreathablewater permeable12 freeHalal certifiedgluten freecruelty freeNAILBERRY Nail CareComplementing the L'Oxygéné color range, NAILBERRY has developed a range of exclusive base and top coats and care products to promote nail health and create the perfect manicure.