Gelish Foundation Flex rubber base gel - Clear 15 mL, flexible soak-off base for volume & protection

Gelish Foundation Flex is a flexible, soak-off rubber base gel that smooths, protects and adds instant volume to natural nails while delivering a lightweight, second-skin finish.

Designed as an all-in-one foundational product, this 15 mL clear rubber base gel serves as a protective layer, a sculpting aid and a primer forカラー or bare nail wear. It builds gentle volume, conceals minor ridges and helps reduce breakage through an elastic gel formula. Available in Clear, Light Pink, Light Nude and Cover Beige, the Foundation Flex works with UV/LED curing systems and is formulated without common harsh ingredients.

How does Foundation Flex improve nail durability?

This rubberized base gel adds flexible reinforcement that moves with the nail, reducing the chance of chips or snaps from everyday impacts. It creates a shock-absorbing layer without feeling heavy, so nails stay resilient while looking natural.

• Elastic rubber formula that flexes with nail movement
• Lightweight volumizing build to strengthen thin nails
• Soak-off system for removal without aggressive filing

Can I wear it by itself or should I use it under polish?

Foundation Flex is formulated to be versatile: use it alone for a polished, flawless natural look or layer color on top as a base coat. When worn solo, it conceals ridges and creates a glossy, healthy finish; under polish it boosts adhesion and evens texture for smoother color application.

• Wear alone for a clean, glossy natural manicure
• Use as a base to improve color adhesion and smoothness
• Buildable application for subtle or sculpted volume

What are the key ingredients and formulation benefits?

Formulated with conditioning agents and a light-activated bonder, this base gel includes Vitamin A, Biotin and biosourced components while avoiding several common harsh additives. It’s vegan and cruelty-free, designed to care for nail health during wear.

• Contains Vitamin A and Biotin to support nail appearance
• Biosourced bonder for improved adhesion to the nail plate
• Vegan, cruelty-free and 10-free formulation

How do I apply and remove it safely?

Application follows standard gel steps: prep the nail, apply the Foundation Flex in thin or layered passes, and cure under your UV/LED lamp. Removal is accomplished with soak-off techniques to lift the gel without heavy mechanical filing.

• Prep nails: push cuticles, lightly buff, and dehydrate if needed
• Apply thin coats; cure each layer per lamp instructions for best results
• Soak off with remover wraps to dissolve the gel for safe removal

Who this product is for: Gelish Foundation Flex is ideal for clients and professionals seeking a flexible, protective base that enhances natural nails, evens surfaces, and supports longer wear. It suits anyone who wants a lightweight, buildable base for daily wear or for use under color, especially beneficial for brittle, ridged or thin nails that need gentle reinforcement without bulk.

Ingredients

Di-HEMA Trimethylhexyl Dicarbamate, HEMA, Isobornyl Methacrylate, Cellulose Acetate Butyrate, Hydroxycyclohexyl Phenyl Ketone, Trimethylbenzoyl Diphenylphosphine Oxide, Glycol HEMA Methacrylate, Bis(Methacryloyloxyethyl) Phosphate, Biotin, Retinol