Sea of Spa Bio Spa Nail Hardener for Brittle Nails

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15 ml / 0.5 oz.

Eliminate the frustration of having weak, brittle nails and achieve beautiful, strong, salon-worthy nails naturally with this innovative and potent nail hardener! Excellent to use as a base coat for your favorite nail polishes, this ultra-conditioning product is packed with Dead Sea minerals and antioxidants to deliver a powerful dose of beneficial and strengthening nutrients deep into the nail, leaving your nails feeling harder, stronger, and healthier. Suitable as an intensive treatment or for use as needed, this restorative and effective product is one that should be included in everyone’s nail care kit!

Intensive treatment: It is recommended to use for three weeks, 2-3 times a year. For the first week, apply one coat of Bio Spa Nail Harder in the morning and another coat at night. Do not follow with nail polish. For the second and third weeks, apply a coat of Bio Spa Nail Hardener once every 2-3 days. 

Supportive care: Apply a coat of Bio Spa Nail Hardener once every 4-6 weeks, or as needed when the nail is weak and needs strengthening. To protect cuticles, use Bio Spa Oil Treatment for Nails before applying Bio Spa Nail Hardener.

Paraben free, not tested on animals.

Sea of Spa Dead Sea Cosmetics was founded around 20 years ago in Arad, Israel and has since established themselves as one of the leading and most respected developers and producers of innovative, high-quality Dead Sea products. Renowned for their expertise in formulating effective skincare products from the rejuvenating saline waters of the Dead Sea, this incredible company offers a broad spectrum of luxury, therapeutic, and medicinal cosmetics designed to target and treat even stubborn skin conditions. Scientifically developed to deliver incredible results, pamper and spoil your skin the way it deserves with a sensational spa-quality product from the comfort of your own home!    


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