A lash bonder is a cosmetic product designed to enhance and prolong the effects of eyelash treatments, such as extensions or lifts. It comes in the form of a clear adhesive that is applied to the lashes after a treatment to assist in putting the fumes from other lash products used during application to rest. Mude bonder helps to strengthen and seal the bonds between the lashes and the treatment material, ensuring a longer-lasting result and preventing premature shedding or damage. It also contain conditioning ingredients to nourish and protect the lashes.