Final answer:
The 21st-century in the beauty industry is considered the age of sustainability, aligning with global trends towards eco-consciousness and responding to climate change.
Step-by-step explanation:
The 21st-century is currently considered the age of sustainability in the beauty industry. This reflects a broader trend towards environmental awareness and ethical practices across industries. The 21st century has been marked by a keen awareness of the impact of human activities on the planet, leading to significant changes in the way products are developed, manufactured, and marketed. These changes are driven by an increased understanding of global warming and a commitment to reducing the harm caused by industrial practices. In addition to sustainability, the 21st century has seen technological advancements, diversified representation in the arts, and a transformed global landscape due to digitalization and globalization.