Which is better, the damage-free Bowen perm or Schwarzkopf?

1, Schwarzkopf bubbles have a larger contact area, so that the color of the dyed hair is more uniform and fast. The dyed hair color looks better and reduces the trouble caused by color deviation. Less irritation to the skin, more gentle and safe.

2. Non-destructive treasure hair coloring contains chemicals and oxidants that irritate the scalp and trigger allergies.