Of the 67 characters proposed for Unicode 11.0, four, including red heads, are hair-related. Curly hair, no hair and white hair are among those listed in a proposal from Unicode.
UTC is the body that develops and maintains the Unicode Standard, a character coding system that universally supports the display of text and languages on the internet. For emojis and text and symbols in other languages each character has a unique code point -- a combination of letters and numbers -- assigned to each.
In July, Apple announced new emojis to come later in the year, including a beareded person, a person wearing a headscarf, breastfeeding, and foods like a coconut and a sandwich.