💪 Strengthen Your Nails, Elevate Your Game! Formaldehyde-free for peace of mind. Beauty that aligns with your values. Say goodbye to soft, flaking nails! Hardens nails for optimal growth. Perfect size for on-the-go care. Vegan Formula 5ml Volume PRO Keratin Infused Mavala Scientifique K Plus Nail Hardener is a 5ml solution designed to transform soft, flaking, or splitting nails into strong, healthy ones. Infused with PRO Keratin and formulated without formaldehyde, this vegan-friendly product ensures safe and effective nail care. Its compact size makes it perfect for your beauty routine, whether at home or on the go.