Don't do!

Use any products containing alcohol, oil, or ethanol. Alcohol based products are drying to the hairand can compromise the strength of the adhesive bond.Brush hair harshly.
Go to bed with your hair wet.
Chemically process your hair at home. Rely on your salon professional for any services whilewearing extensions.
Remove your extensions yourself.
Apply higher than 110°C
when applying heat to Fantasy and Pastel Hair blend colors.