anytime someone has redness on their face I always suggest to them a green primer or concealer to help cancel out the redness. They have cheap ones by NYX or you can go a little more expensive & try the smashbox one. For acne scars try spot treating them with a dark spot cream. I use one by Clinique every now & then and it helps
I feel like the easiest way is hair extensions, it instantly adds volume. When you dry you hair you can try adding mousse or root lifter to the roots and sometimes that can help. I really like Rusk Thickr products, they have shampoos, mousses & sprays for thinner hair