Fuente: WIPO "essential oil or extracts" Composition to increase the thickness of human hair, system including the composition, method of making the composition and method of using the composition. The composition comprises essential oil and carrier oil that is miscible with the essential oil. The essential oil comprises lemongrass oil, helichrysum oil, lavender oil, clary sage oil, cedarwood oil, eucalyptus oil, thyme oil , bergamot oil, tea tree oil, rosemary oil, and peppermint oil. The system comprises the composition, a container, and instructions for use of the composition. The composition is located inside the container and contained by the container. The instructions comprise an instruction to apply the composition to a human scalp. The method of making the composition comprises providing the carrier oil and adding the essential oil to the carrier oil. The method of using the composition comprises applying the composition to a human scalp.