Our S.O.S Base Coat is THE treatment base coat for very damaged or split nails that break easily. It strengthens and restructures the nail plate while nourishing it. Enriched with vitamin B5, vitamin C and AHAs, this treatment is up to 78% bio-sourced. It moisturises and strengthens your nails from the first application. An ideal treatment between 2 harsh polish applications (e.g. ordinary gel polish), a week of use is enough to regenerate your nails!