Light brown hair with highlights looks softer than whole colored brown. To get the most natural shade he starts with a base color thats similar to your former virgin hair focusing on the roots and around the face following by lowlights all over.
How This Woman Transitioned From Brown To Natural Gray Hair In A https://www.allure.com/story/box-brown-hair-color-to-gray-transition
52 Lavish Gray Hair Ideas Youll Love Hair Motive Hair Motive https://hairmotive.com/gray-hair/
High En Lowlights In Grey Hair Colored By Carola https://imgwonders.com/media/1994901585582846379