Canker sores (aphthous ulcers or aphthous stomatitis) are small, painful ulcers inside the mouth. They may occur on the tongue and on the inside linings of the cheeks, lips, and throat.They usually appear white, gray, or yellow in color, with a red border.anker sores (aphthous ulcers or aphthous stomatitis) are small, painful ulcers inside the mouth. They may occur on the tongue and on the inside linings of the cheeks, lips, and throat.
Vigorous styling and hair treatments over the years can cause your hair to fall out. Examples of extreme styling include tight braids, hair weaves or corn rows as well as chemical relaxers to straighten your hair, hot-oil treatments or any kind of harsh chemical or high heat.
Like so many things, it depends on you: your skin type, your hair type, your scalp health, your dry shampoo use, and your regular shampooing routine. Dry shampoo is, at heart, an oil-absorbing powder, and build-up can irritate your scalp and weaken hair follicles which, in turn, can possibly cause hair to fall out. Dr. William Yates tells Refinery29: In extreme circumstances and used excessively, dry shampoos could actually cause damage and thinning or balding [. . ] Dry shampoos absorb the excess oil on the hair shaft produced by the sebaceous gland. If overused, it could cause the hair to dry and break more easily, leading to thinning and possible balding.