Sina Nail Strengthener Gel - Hardener & Growth Treatment for Stronger, Healthier Nails | At-Home Manicure & Salon-Quality Results

SINA Strengthener is a LED/UV curable thin gel.

• Formaldehyde, Toluene & DBP Free.
• Great base that is strengthening the natural nail.
• Used as a curable base layer under gel polish services and acting as a thin protective layer between the nail bed and the gel polish.
• Size: 15ml bottle.

1. Prep and cleansed the nails before application of SINA Strengthener and cure for 60s in the nail lamp.
2. Use your favourite gel polish and cure each layers.
3. Use for the finishing shine layer and cure. No tacky layer to remove.