The hair chalks are non-allergenic, non-toxic and water-soluble, and environmentally friendly and can last up to 3 days colors can be cleaned simply by washing hair as normal with water and shampoo. A party hit with the kids, suitable for Birthdays, Parties, Weddings, Clubs, festivals, cosplay, Engagement, St. Patrick's Day, Easter egg, etc., creating a beautiful and unique look for yourself. A cool gift for your family and friends. With the design of a fixed comb, they are easy to apply to...