Butter LONDON Nail Foundation Priming Basecoat Description Achieve professional results from home with the Nail Foundation™ Priming Basecoat from butter LONDON. Fortified with Horsetail Extract and Hydrolysed Silk, the powerful treatment works to strengthen weak nails and promote healthy nail growth, whilst banishing ridges and imperfections for a super smooth nail surface. Fast-drying, it prevents nail staining […]