Callus removers are commonly used in personal care and foot care products, often sold in retail or online markets. Altsberglotion Product, based in Serbia, has been operating since 2005, which suggests experience in product development and market adaptation. However, no phone, work email, or business documents have been verified — this raises concerns about legitimacy and responsiveness. Buyers should verify the company's identity and contact details before placing any orders, as unverified information can lead to communication gaps or missed shipments. The lack of documentation may also make it harder to confirm product quality or compliance with international safety standards.