What are the ingredients used in Twinkle Star? Cara 18 May 2018 04:41 Updated Follow Lavender Sweet, Orange Sweet, Eucalyptus Australiana, Mandarin, Lavender True, Chamomile Roman Related articles Why we use Twinkle Star. Why does Glow Dreaming have a green LED light and when should I use it? I've heard that eucalyptus oil can be harmful to young children. Is this true? From what age can I use Twinkle Star and is it safe for my child? What makes the Glow Dreaming sound function different to other sound machines? Comments 0 comments Article is closed for comments.