Alum blocks, made from potassium alum, are known for their astringent properties. Yes, alum blocks can temporarily tighten pores. They work by contracting the skin, making them appear smaller. This effect is especially noticeable after shaving, where the pores are often enlarged.
However, it's crucial to understand that alum blocks don't permanently shrink pores. The effect is temporary and fades as your skin naturally returns to its normal state.
Alum blocks are often used after shaving to help stop bleeding, soothe the skin, and reduce irritation. They also have antibacterial properties that can help prevent infections.
