Give weakened and fragile nails targeted strengthening and protective care with the Manucurist Kertain Booster. Specifically formulated for compromised-looking nails, this advanced treatment combines a biomimetic blend of plant-based keratin, silicon and biotin to help visibly densify and harden the nail plate while promoting a smoother, healthier-looking appearance.

The formula also contains AHA and gluconolactone, which gently exfoliate the nail plate to support a clean, refreshed surface and healthy-looking nail growth. Enriched with vitamin C, a powerful antioxidant, the treatment helps protect the nails from external stressors while leaving them looking nourished and revitalised.

Featuring a lightweight, fluid texture, Kertain Booster absorbs quickly to deliver fast, targeted care without a greasy or sticky residue. Ideal for incorporating into a regular nailcare routine, it helps restore a stronger, smoother and healthier-looking appearance to fragile nails.

Key Features

• Targeted treatment specifically formulated for weakened and fragile nails.
• Provides strengthening, smoothing and protective benefits.
• Biomimetic formula combines plant-based keratin, silicon and biotin.
• Helps visibly densify and harden the nails.
• AHA and gluconolactone gently exfoliate the nail plate.
• Helps support healthy-looking nail growth.
• Enriched with vitamin C, an antioxidant that helps protect against external stressors.
• Lightweight, fluid texture absorbs quickly.
• Leaves no greasy or sticky residue.
• Helps leave fragile nails looking nourished and revitalised.

How to Use

Apply the Kertain Booster directly to clean, dry nails as part of your regular nailcare routine. Allow the lightweight formula to absorb fully before applying other nail products. Use consistently for targeted care of weakened and fragile-looking nails.

Why You’ll Love This

• Provides targeted care for weak, fragile and compromised-looking nails.
• Combines strengthening ingredients with gentle exfoliation.
• Plant-based keratin, silicon and biotin help promote a denser, harder-looking nail plate.
• Vitamin C provides antioxidant care against external stressors.
• Fast-absorbing texture makes daily application effortless.
• Leaves nails feeling cared for without a heavy, greasy or sticky finish