| | Description | CND Toughen Up
Strengthens and toughens the natural nail and also provides a stickey base, anchoring the enamel to the natural nail.
WHAT IT IS: Natural nail strengthening base coat.
WHAT IT DOES: 2% DMU strengthens and toughens the natural nail. Improves nail enamel wearability.
WHY YOU NEED IT: To strengthen thin, weak nails. |  | |
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