<span>Vitamin a deficiency is most damaging to which population?
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d. damaging to all of the above
Repeated bleaching is not recommended since you're putting yourself at risk of overprocessing and breakage. If you do bleach again, make sure to wait 3 weeks to give your hair cuticle enough time to heal, close and lay flat again.
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The Blue Photns will absorb Outer pigments while the red photns will absorb the interior pigmnets </span>
