Essie Hard To Resist Nail Strengthener 13.5ml
£4.79
Nail-Aid Biotin Ultimate Strength solution will give you stronger, smoother, hydrated-looking nails in just 3 days. It features a long-wear, glossy, metal-hard finish and high-speed drying within minutes. The innovative Biotin (vitamin B7), known as the hair and nail strengthener'', is a required nutrient to maintain strong nails.