Green Flash - Top Coat. Benefits: Green Flash is the first patented LED gel polish alternative, innovated to protect and strengthen your nails. It provides high shine and long-lasting for 12+ days, without damage. Easy to apply and to remove in 1 minute without acetone!. Key Notes: 12 days of wear and mirror-like shine. Dries instantly under an LED lamp. Perfect alternative between a semi-permanent polish and a classic nail polish for a flawless manicure. 96.5% bio-based ingredients. Vegan. Made in France. Requires a base coat, a color, a top coat from the Green Flash range, and an LED lamp with a minimum power of 24W. 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*.