Pop this pen into your purse, car, or work bag so you can apply it on the go. Tenoverten’s The Foundation is a base coat that doubles as a nail strengthener with moisturizing ingredients and a ...

Simply click the pen-like tube to dispense product and brush it on to the nail bed to nourish and strengthen damaged nails.

This strengthener is the best of both worlds. It contains biotin to repair damage and promote stronger nails, while glycerin and panthenol provide hydration. Call on it if your brittle nails are ...

gives nails a clean and natural look, and it grows out without obvious chipping,” says Hanna. “Many formulas also include strengthening ingredients like keratin or biotin to support nail ...

Take it from someone who bit their nails for over 20 years and called the strengthening oil “lifechanging,” adding that they’ve purchased their second pen and they’ll “never go back.” ...

Looking for an easy way to treat your nails on this go? This strengthening pen makes things v convenient – just massage the formula on your nails and cuticles one to two times a day and it'll help ...