The melanin in Chloe's hair is decreasing. Melanin is a substance in our hair, skin, and eyes that determines pigment. If Chloe has more melanin in her hair, her hair will be darker; if Chloe has less melanin in her hair, her hair will be lighter.
Your answer is Using everyday materials or what is seen. Another would be to accept the role of <span>an object in an acceptable space also between two objects.