Green Flash Vitaminized Base Coat. Features: Patented formula. HEMA Free. TPO free. Reinforces nails under colors. Strengthens nail structure: Hexanal restructures and densifies the keratin fiber network.. Protection & enhanced wear: The Vitamin C + Vitamin E duo forms an antioxidant shield, improving adhesion and durability of Green Flash polish.. Vegan. Made in France. Cruelty Free. Plant-powered formula. Research Results: Proven results. 96% find their nails harder. 88% find their nails more beautiful. 88% find their nails protected. 85% find their nails stronger. 92% recommend this manicure routine. Clinical test conducted on 21 women after 3 weeks of use*. Research Results: Hexanal: Restructures keratin fibers by creating new intermolecular bonds to fortify the nail.. Vitamin C: Protects against oxidative stress and stimulates keratin production.. Vitamin E: Preserves lipids and prevents dehydration for healthier, stronger nails..