Dandruff is a common scalp issue, so it's frequently mentioned in everyday conversation and advertisements. You can find dandruff treatments at any drugstore.
Pro Tip 2/3
Not Contagious
Although associated with hygiene, dandruff is not contagious and is often caused by scalp health. Don't worry about catching dandruff from someone else; it doesn't spread that way.
Pro Tip 3/3
Social Sensitivity
Talking about someone's dandruff can be considered rude as it may embarrass them. Be discreet if you're suggesting a dandruff shampoo to a friend.