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[jillheth]

What is the difference between the lightening spray and the John Freida go blonder shower in treatment? Would the shower in treatment really work to lighten hair without a Blow dryer? I always thought it was the combination of the sun or is it just heat? I’m confused.

[RandyS]

It’s the peroxide that lightens hair. Not the heat. The sun might help a very small amount. The spray has a lower amount of peroxide because it’s left in your hair to work over time. The in shower treatment has a higher amount of peroxide and it only left in the hair for 5 minutes.

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