Eyelash extension shampoo is a specialized, oil-free cleanser designed to safely remove dirt, makeup residue, and sebum without breaking down the lash adhesive. Regular cleansing is strongly recommended by lash technicians to prevent bacteria buildup and eye conditions like blepharitis while maximizing extension retention. Driven by viral beauty tutorials across platforms like TikTok, using a dedicated lash shampoo has quickly evolved into an essential daily maintenance step for extension wearers worldwide.