1. The age of onset of chicken skin (also known as perikeratosis) varies from person to person, and some individuals may start experiencing it during childhood or adolescence.
2. Most people's chicken skin symptoms gradually improve with age, but there is no fixed age limit for when they will "not" or significantly alleviate.
3. Generally speaking, many people's chicken skin symptoms will improve after entering adulthood, but this does not mean that they will completely disappear. Some people may have mild chicken skin symptoms throughout their lives.