NAIL TEK Hydration Therapy II for Soft, Peeling Nails. Each of the HYDRATION THERAPY formulations provide effective nail therapy for specific nail conditions. Applied as a basecoat, HYDRATION THERAPY provides therapeutic benefits as well as phenomenal polish retention. HYDRATION THERAPY dries quickly to a super high-gloss finish. When reapplied daily, it seals and protects while developing stronger, healthier, more flexible nails. .5 oz.