S.O.S. Treating Base Coat. Features: Description 1: Deeply improves nails health. Hydrates nails. Strengthens from first application. Ideal between polish sessions. 1 week to regenerate nails. Vegan. Made in France. Plant-Based. Cruelty Free. Key Ingredients: Vitamin B5: hydrates deeply. Vitamin C: antioxidant properties, nourishment & protection. AHAs: softly exfoliate and improve nail strength. Hexanol: improves overall nail health. Research Results: Proven results. 100% of nails are harder. 97% of nails are healthier. 93% noticed an improvement in nail quality. Clinical test conducted on 21 women after 3 weeks of use*.