What it is: A patented gel base coat that strengthens and protects nails under color, reinforces keratin, and provides long-lasting polish for up to 21 days. Highlighted Ingredients: - Hexanel: Strengthens and restructures keratin fibers. - Vitamin E: Stimulates growth and protects against oxidative stress. - Vitamin C: Protects against external aggressors and hydrates. Ingredient Callouts: Free of formaldehydes. It is also vegan and cruelty-free. What Else You Need to Know: Green Flash Vitaminized Base Coat strengthens and protects nails while boosting gel polish wear. Enriched with active ingredients, it reinforces keratin, improves adhesion, and supports healthier-looking nails over time. Use it under Green Flash colors (sold separately) for best results and enjoy easy removal without acetone. Clinical Results: Based on a clinical test conducted on 21 women, after 3 weeks of use: - 96% found their nails harder - 88% found their nails more beautiful and protected - 85% found their nails stronger