Inner Strength is a nail and cuticle oil formulated with a proprietary celery seed extract that's clinically proven to help nails strengthen their structure, maintain more moisture and smooth overall texture. This oil works from the inside out to reverse daily damage and improve nail health, allowing your nails to drink in natural moisturizers and botanicals to prevent and repair chips and cracks. Hypoallergenic. Dermatologist Tested. Vegan. Leaping Bunny Certified. 20 mL