They then go on to reveal what other 'bigger changes' are coming up thereafter, too. They also do provide some detail around the skin tone changes coming up, including an expansion of the game's skin tone variety, and improvements around the 'blotchy artifacts and ashy appearance of darker skin tones on mid and high spec machines.'
While the team doesn't specify exactly which hairstyles will be getting spruced up or how, they do mention the need to reflect more accurate representation in the base game through this particular avenue.