Define the rub: something that causes a difficulty or problem â the rub in a sentence something that causes a difficulty or problemâ¦ See the full definition
Knowing the difference between lice and dandruff can help heal your scalp condition properly. Lice are infectious parasites and dandruff is a self-contained scalp condition. Dandruff comes from the head, and flakes off. Dandruff is due to the excessive shedding of dead skin cells from the scalp, and lice are wingless insects (small bugs) that infest the hair and scalp. The methods of prevention and treatment also vary between lice and dandruff.
1 Lice on your scalp, body, clothing, or pubic or other body hair. 2  Adult lice may be about the size of a sesame seed or slightly larger.3  Lice eggs (nits) on hair shafts. 4  Nits resemble tiny pussy willow buds. Adult lice may be about the size of a sesame seed or slightly larger. 2  Lice eggs (nits) on hair shafts. 3  Nits resemble tiny pussy willow buds. 4  Nits can be mistaken for dandruff, but unlike dandruff, they can't be easily brushed out of hair. 5  Small red bumps on the scalp, neck and shoulders.