Do a strand test first
Use the lowest developer that will work for your hair
Avoid bleaching already damaged hair
Deep condition regularly before bleaching
Do not wash hair right before bleaching
Apply bleach to dry, unwashed hair
Section hair evenly for controlled application
Start with the darkest or most resistant areas first
Avoid overlapping bleach on previously lightened hair
Check hair frequently during processing
Rinse as soon as hair reaches the desired level
Use a bond-building treatment during or after bleaching
Tone hair after bleaching if needed
Limit bleaching sessions and space them out
Use sulfate-free, color-safe shampoo afterward
Minimize heat styling after bleaching
Trim split ends regularly
Protect hair from sun, chlorine, and salt water
Stop immediately if hair feels overly stretchy or mushy
Seek a professional for major color changes or dark hair to blonde changes