Robert,
I always use HUMBROL, and have done for about 40 years.... Oh now I'm showing my age
I use both gloss and matt, but finish with either a spray of matt varnish or paint on gloss varnish depending on the required finish.
I use HUMBROL Flesh for European skin tone, but add a touch of red to bring our cheeks and lips. Thats the only colours I mix. I use the best match stright from the tin, because many times I've beena sked to paint more figures to match, and mixtures can't be matched. Also I like to add to my colletcion, so the same colour matches in nicely.
This is the latest figure I've painted with Matte HUMBROL Enamel... a Stadden 90mm Grenadier Guard. Note the gloss varnish for the shoes and the ammo pouch.
regards,
John