Good question. Can be after chemical processing like bleaching but not necessarily if some++
It is a real thing…there are some deniers out there but I’ve been on the hair board too long++
Could be several reasons for the dryness/itchiness. First, it could be an allergic ++
It is a very nice cushion fndt. Just remember you only need to pat the sponge into the product++
I have super fine hair and I use a kids sized one (medium). The regular ones tend to+++