Summarize:

" Hair products usually have 3 types of holds: low, medium, and high. Since thick hair tends to be heavier, a product with high hold is helpful when you’re trying to get it to stay up after you style it. When you’re shopping for hair products, they should say on the label what kind of hold they have. If you have coarse thick hair, you may be able to use products with weaker holds since your hair can stand up on its own more easily. Thicker products will give you more control over your hair than lighter products, and you won't have to worry about them weighing your hair down since thick hair is better able to support itself. Hair serums are liquid products that reduce frizziness and tangles in the hair. A hair serum can make your thick hair easier to style by smoothing out the individual hairs on your head so they feel and appear thinner. To use a hair serum, pump a dime-sized amount on your hand and work it into your hair. Then, style your hair like normal. A little hair serum goes a long way, so be careful not to use too much. A dime-sized amount is usually plenty. Wide-toothed combs are better suited for thick hair since they have more space for the hair to pass through. Use a wide-toothed comb to style your hair into place and brush out any knots or tangles. Brushing up your thick hair and applying a clay or wax to hold it in place can create a nice, voluminous look. Thick hair can support itself at longer lengths than thin hair can, so you can still create this style if your hair is on the longer side. If your hair is longer than 7 inches (18 cm), it may start to weigh itself down and fall flat. Apply a dime-sized amount of clay or wax to your hands and rub them together. Then, run your hands through your hair from the front of your hairline to the back of your head. Don’t forget to brush the sides back as well. A slicked-back style is a great way to get long, thick hair out of your face.
Choose hair products that have "high hold. Use thick hair products like clays and waxes instead of gels and creams. Try a hair serum to make your thick hair more manageable. Use a wide-toothed comb to style your hair. Brush your hair up if it’s 7 inches (18 cm) or shorter. Slick your hair back if it’s too long to brush up.