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------- Who knows? Does SAGE get rid of grey hair?
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[quote:Anonymous Coward 193848:MV81MzQyMjVfODI5ODE4MF80MEVDOUUzRQ==] [quote:Anonymous Coward 297411] Premature grey hair is caused by insuffient UV exposure of the scalp for caucasians. Hair color is actually skin pigment coated onto an essentially colorless (white) hair strand that grows out of the scalps hair follicles. The pigment, called melanin, is produced by melanocytes (special cells) in the scalp (skin). The melanocytes are UV sensitive, the process is very similiar to getting a tan (on the skin). The main difference is the amount and duration of UV exposure on the scalp required to reactivate the pigmentation production in hair follicle melanocytes. This will vary by ethnicity (i.e. genetics). Cut the hair short (to allow more UV through) and get outside without a cap or hat during UV windows. It's all about balance, and most people agree with that, until they actually have to change their behavior (avoiding UV to prevent cancer/skin damage) to achieve it. Sigh. I beg to differ. A better theory is mineral imbalance. Animal studies have found that the zinc to copper ratio must be optimal to prevent loss of hair color. I think I read somewhere that the optimal ratio is 5 to 1, zinc to copper. No, mineral transport in the body is highly efficient. Imbalances (deficiencies) must be extreme. Secondly, copper deficiency is clinically well studied and quite rare. It does not match the condition generally referred to as premature grey hair. Sorry. This may be the first you've heard of the UV exposure link but it's not something new. Look into photophysiology if your curious. But of course you won't listen at first, so good luck with the mineral supplements. I merely suggest you note this thread and come back and give it another read after mineral supplements fail to get you your desired results. Tallyho. [/quote] My brother-in-law always gets lots of sun. His hair was 100% white by age 45. IMO it's diet and heredity, not the sun. [/quote]
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Chemical hair dyes must go... too dangerous!!! Anyone have any expertise here? thanks!
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