Henna for Hair: Benefits & Risks
An honest look at henna for hair: what it really does to the shaft, realistic colour results by starting shade, its permanence, downsides and PPD safety.
Henna Hair Dye: Complete Guide
A complete henna hair dye how-to: choosing pure powder, mixing and dye release, copper to black with indigo, application, the 48-hour oxidation and touch-ups.
Henna Hair Side Effects
A balanced review of henna hair side effects. Pure henna is mostly safe but can dry or stiffen hair; the real danger is compound and black hennas with PPD.