Hello, I've been looking forward to lightening my hennaed hair because it's gotten too dark and I recently saw an add that intrigued me. The product is L'Oreal's Sun Kiss Jelly which looks like Sun In (although it may be different, it's not available in my country). Supposedly it doesn't work that much as bleach because even though there is some peroxide, it lightens hair progressively and without damaging it (I doubt that). Has anyone tried it? Will it damage my very very fine hennaed hair much? I've tried honey and distilled water, but the process seems too slow and it's too messy for me.

I've found the ingredients, if it's useful:

credit