North Carolina Cosmetic Arts Practice Exam

Highly alkaline shampoo can cause damage to the hair by stripping it of its natural oils and proteins. This can result in dry, brittle hair that is more prone to breakage and frizz. If the hair becomes too dry, it may also appear dull and lifeless. Therefore, frequent use of highly alkaline shampoo can lead to hair becoming dry. The other options are incorrect as a result of this damage, but may also be caused by other factors such as genetics, hormonal changes, or product buildup.