I don’t think any of us ever questioned just exactly what causes our hair to look so fab after using dry shampoo. As long as we woke up breathing with hair on our heads, it’s fine. But, dry shampoo is actually made of chemicals that aren’t really all that great for our hair. Whether you use it excessively or encounter it for the first time, you could basically develop dermatitis after use. You fucking guessed it—anything that ends with "itis" is a bigger red flag than a “U up?” text. This is a severe allergic reaction that causes intense irritation, which may result in drastic hair loss in the long-term. You're not, like, guaranteed to lose all your hair if you abuse dry shampoo, but if your hair is already on the thinner side, be wary.
If you really think about it, dry shampoo is just a spray we leave on all day and don’t think about. Naturally. Since it’s just a product sitting on our scalp for hours on end, it’s seriously clogging up our pores. Just fuck me up, honestly. It continues to build up oils, dirt, and bacteria, which then = scalpne (scalp + acne), and since this is your head we’re talking about, the build-up can trail down to your upper forehead where it may wreak havoc as well. *Screams internally*
Before the damage gets to your hair, it starts with your scalp. Since dry shampoo comes into contact with the scalp first, it can cause a v uncomfortable irritation. Overusing dry shampoo by leaving it on for more than a day or using multiple times in a row causes a buildup of grime—even after washing! This leads to a super inflamed, itchy, and flaky scalp. Talk about gross, and talk about hella dandruff. Pass.
As we’ve already covered, dry shampoo is essentially a temporary plug for oiliness. As a result, I’ve already told you like, a million times, that the constant use and buildup of oil and grime leads to clogged up pores. When this happens too often, your hair follicles are basically suffocating and blocked from growing any further. If it gets too severe, your hair will not only begin to thin or fall out, but it will eventually stunt your hair’s growth, and you’ll probs look like a British man. IDK maybe that’s just a theory, but either way, that’s the shit we don’t like.
Contrary to popular belief, if used too often, dry shampoo can actually make your hair way more greasy than it was to begin with. Although it’s supposed to absorb the oil, it continues to absorb the natural kind that our hair actually *needs* and does so while sitting on top of existing grease. After some time, your hair ends up producing more oil than it naturally does to make up for the lack of moisture. End result? Looking like a greaseball more often than not.