If you’re someone who's interested in haircare, you may have heard conflicting opinions about sulfates. Some people claim that they're harmful to your health, while others argue that they're perfectly safe. So, what’s the truth? In this blog post, we'll investigate whether sulfates are actually bad for your health and whether you should stay away from them in your haircare routine.
What are sulfates?
Sulfates are a type of surfactant commonly used in personal care products like shampoo, body wash, and toothpaste. They're responsible for creating the lather and foam that we associate with these products. The most common sulfates used in haircare products are sodium lauryl sulfate (SLS) and sodium laureth sulfate (SLES). These ingredients are surfactants, they have a portion that is water-soluble (sulfate) and a portion that is oil-soluble (lauryl, laureth, or coco), so they can surround particles of oil and dirt to wash them away.

What makes them so controversial?
Sulfates have been the subject of controversy in recent years due to their potential health effects. Some people claim that sulfates are harmful because they can strip the hair of its natural oils, leading to dryness and damage. Others argue that sulfates can irritate the scalp, cause hair loss, and even lead to cancer.
The truth is that there is no scientific evidence to suggest that sulfates are harmful to your health. The Cosmetic Ingredient Review (CIR) Expert Panel, an independent group of scientists who evaluate the safety of cosmetic ingredients, has deemed that “the alkyl sulfates are safe as used in rinse-off personal care products when formulated to be non-irritating." The panel also noted in 2003 that "The weight of evidence from the published literature does not support a conclusion that SLS and SLES are human carcinogens." So no, sulfates are not known to cause cancer.
“the alkyl sulfates are safe as used in rinse-off personal care products when formulated to be non-irritating."
That being said, some people may be more sensitive to sulfates than others. If you have a sensitive scalp, you may experience irritation or dryness when using products containing sulfates. In this case, it may be worth trying sulfate-free products to see if they're better suited to your needs.
Should you stay away from sulfates in your haircare routine?
Whether or not you should stay away from sulfates in your haircare routine depends on your individual needs and preferences. If you have a sensitive scalp, or if you find that sulfates make your hair dry or brittle, then you may want to switch to sulfate-free products. However, if you don't experience any negative effects from sulfates, then there's really no reason to avoid them.
Ultimately, the most important thing is to choose haircare products that work for you and make you feel good. If you're not sure whether sulfates are right for you, try experimenting with different products to find what works best for your hair type and lifestyle.
To sum it all up, sulfates are not harmful to your health when used as directed. However, if you have a sensitive scalp or if you find that sulfates make your hair dry or brittle, you may want to switch to sulfate-free products. Ultimately, the choice is yours, and you should choose the haircare routine that makes you feel the most confident and beautiful.
Explore these options:
![]() | ![]() | ![]() |
Thickening & Strengthening | Volume & Breakage Control | Cruelty Free Curls |
Citations
"Choosing the right shampoo depends on your hair type, scalp condition, and hair-care routine." - American Academy of Dermatology Association, "How to Wash Hair," 2021.
Cosmetic Ingredient Review (CIR) Expert Panel, "Safety Assessment of Alkyl Sulfates as Used in Cosmetics," International Journal of Toxicology, 2003.
“Sulfates can strip the hair and scalp of natural oils, which can cause dryness and irritation for some people." - American Academy of Dermatology Association, "How to Wash Hair," 2021.
Comments