11.   Niepce replicated the print using light, a light-sensitive substance, a metal plate and lavender oil.

12.   One of them discovered how lavender oil could also cure black widow spider bites.

13.   Stretch said he did not know whether the lavender oil worked like a drug, altering brain chemistry, or whether its effect was simply as a placebo.

14.   The frantic Gattefosse plunged his burned hand into the nearest bowl of cold liquid, which happened to contain lavender oil.

15.   The sweet smell of lavender oil helped four elderly insomniacs fall asleep quicker and sleep longer, a researcher says.

16.   Then apply one to three drops of lavender oil or tea to the wound or the bandage.

17.   While working in the laboratory, he burned his hand and, to soothe the pain, immersed it in lavender oil.