From a quick scan the results are a bit surprising. One should know that dying ones hair involves 2 components: 1. developer. Some liquid that breaks open your hair follicles, containing usually 3%/6%/9% hydrogen peroxide. This is the aggressive stuf. 2. hair dye. The stuff that contains the color pigments. The more you have to bleach the hair, the more aggressive the developer formulation needs to be. If you have pe…
I'm confused by your analysis. For black women, it's not just hair dye, but they have hair straightener products that have companies putting some very toxic and carcinogenic stuff into them. So black women can be putting themselves at greater risk, if they use such chemical straighteners (they do have non/less toxic options). It also indicates that black women are less likely to get breast cancer than white women, bu…
I think we agree that we still have no idea about what has been measured here.