Spirularin Nail Serum is a nail care serum that works naturally to preserve moisture and protection where your nails need it. Daily application will result in a transformation in nail health, leading to strong and beautiful nails that maintain moisture through age and harsh climates. Our formula to healthier nails is simple: natural ingredients that are high in essential nutrients for nail protection and moisture. Spirulina is a blue-green algae that is considered one of the most nutritious substances per gram in the world. Our patented extract of this superfood paired with jojoba oil and liquorice root makes this nail serum a comprehensive treatment that protects, moisturizes and brightens nails.