"Because 4C strands grow out vertically, the sebum from the sebaceous glands are not able to travel down the hair strand to lubricate the hair, giving the hair a dried-out feel," says Edwards.

4C hair is particularly prone to dryness. Its tight kinks prevent the flow of sebum through the hair strand. As such, it requires being moisturised even more than other hair types. Invest in a ...

who uses an alphanumeric key from 1 to 4C. People with category 1 hair have stick-straight hair, 2A-C have wavy hair, 3A-C have spiral curls, and 4A-C have coily or zig-zag hair strand patterns.