How mehndi/henna dyes hands, hair, etc.?
How
mehndi/henna dyes hands, hair, etc.?
PROF WAQAR HUSSAIN
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The henna plant contains lawsone (2,4
Hydroxy-1,4-naphthaquinone) which is a reddish-orange dye that binds
to the keratin (a protein) in our skin. The lawsone gradually percolates from the henna
paste into the outer dermis of the skin or hair and fasten to the proteins, developing a fast stain. The tinge of colour ranges from
pale orange to nearly black depending on the quality
of henna, duration of paste remains on the palm before wiping it off and nature
of ones skin. Good quality henna, brand new, freshly
prepared and acquired from plants of hot and dry climates; will stain the
darkest.
Good information rida
ReplyDeleteGood information I think sir waqar is the best teacher in our country Jo students ko samajhtay or unhain trean kartay hai and I am lucky k main nay sir waqar say parha rida
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