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4 answers

To protect the content from direct sunlight.

2007-01-19 17:31:29 · answer #1 · answered by siaosi 5 · 0 0

Becuase sometimes, light can oxidize the chemicals inside the bottle, so if you have a dark bottle, light can not pass throu as easily and the medicine/perfume lasts longer

2007-01-19 17:31:52 · answer #2 · answered by bobbr241 2 · 0 0

Light and heat may affect the compounds in the bottle. So to prevent the solutions inside the bottles turn into different solutions, and to prevent the solutions from being vaporized, dark coloured bottles are used.

2007-01-19 19:52:10 · answer #3 · answered by Riyah 3 · 0 0

what does it mean

2007-01-19 17:31:35 · answer #4 · answered by David W 1 · 0 0

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