>>714285909
>>714286038
>>714286290
Oh I found it, it is under makeup>eyebrows>edit>color

For your eyebrows to be a single color you have to set eyebrow color 2 and eyebrow color 3 to -50 transition range and -50 soft/hardness and then eyebrow color 1 will reflect whatever one color you select. Very very hilariously buried option that no one is going to do