Do not use alum for skin whitening
Avoid applying alum directly to the face or body
Do not mix alum with water, lemon, or other ingredients for whitening purposes
Stop use immediately if irritation, burning, redness, or dryness occurs
Patch test only if a healthcare professional specifically recommends it
Use sunscreen daily to help prevent darkening and uneven skin tone
Use gentle cleansers and moisturizers to support healthy skin
Consult a dermatologist for safe skin-brightening options