Kokoist Bases & Builders

Shop Kokoist base gels and builder gels — the foundation of every professional Kokoist manicure. This collection features the MEGA Stick Base Soft Gel for exceptional adhesion on oily nails, the Platinum Filler Base for leveling and reinforcement, Fixee Gel, and the legendary E-B Excel Builder used by Japanese pro nail artists for sculpted apex and extension work. Engineered for flexibility, self-leveling viscosity, and chip-resistant wear, these soft bases and rubber builder gels deliver long-lasting strength without yellowing or lifting.