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The Cut Down: 5 Benefits of Sulfate-Free Shampoo

July 15, 2021

1 Min read

Every shampoo on the market is created with  the same purpose in mind—to effectively cleanse and rid your hair of excess oil and buildup. While we know not every shampoo performs equally in our hair, switching to a sulfate-free shampoo can significantly improve the way your hair and scalp behaves. Read on to learn five benefits of switching to sulfate-free shampoo.

1. Non-stripping formula

A lot of popular shampoos contain harsh sulfates (or surfactants) that can cause a ‘stripping’ effect on the hair and scalp. These cleaning agents produce a foamy lather that aids in removing dirt, oil, and buildup on the scalp. Over time, sulfates  can cause hair to feel overly dry and brittle, which is especially harmful if hair has undergone professional hair treatments (such as a keratin treatment). In sulfate-free shampoos, these harsh surfactants are replaced with milder cleaning agents that can gently and effectively remove everyday buildup  without stripping the hair. Some people think using a sulfate-free shampoo means sacrificing the soapy lather we’re used to when washing our hair, but that’s not the case. Prose custom shampoo has all of the lather without any of the sulfates.  

2. Preserves color

Cleansing your hair right after a color service can be devastating to your fresh dye job if you’re using a shampoo with sulfates. They can cause permanent color and toners to fade away leaving hair looking dull or brassy. Because sulfate-free shampoo is non-stripping, your hair color will stay vibrant and fresh after each wash. Be sure to look for ingredients such as oat oil that can add a double dose of protection to preserve your new hue.

3. Supports natural shine

Our scalp produces sebum (aka oil) which works to lubricate the scalp’s surface and hair lengths to help strike the  proper moisture balance. Too much sebum can leave hair looking and feeling greasy, however, maintaining a minimal amount of sebum after cleansing is still recommended to maintain moisturized hair.

Using a sulfate-free shampoo will work to remove excess sebum without disturbing the scalp’s moisture balance,  leaving hair feeling less dry and naturally shiny.

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4. Can help reduce scalp irritation

If you’re shampooing your hair everyday, shampoo with harsh sulfates can cause the scalp to go into overdrive and produce more sebum than usual to compensate for excessive dryness. When our scalp is out of balance it can begin to feel tight and can even start to produce flakes. Switching to sulfate-free shampoo can help keep your scalp flake-free and reduce  sensitivity.

5. Great for all hair types

Is your hair chemically processed? Does your scalp get oily fast? No matter  your hair type and concern, sulfate-free shampoo can safely cleanse  hair while keeping both your scalp and strands balanced. However, if you’re looking for a shampoo that’s truly unique to you—try a sulfate-free custom shampoo. It’s a great way to address multiple concerns at once while taking into consideration your preferences, hair type, and environmental factors based on where you live.


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Faith is a NYS licensed cosmetologist with over 15 years in beauty. Starting her career as a master colorist, Faith spent years expanding her skills to include styling, editorial, blogging + media, along with working under some of the top names in beauty and fashion, such as Patricia Field and Rachel Zoe. By 2015, she stepped from behind the chair into salon management & education – always leading from the viewpoint of the stylist. This unique transition launched her into working with beauty start-ups as an industry expert to strategize their brands. Prior to her position at Prose, Faith worked alongside celebrity stylist Jen Atkin as Sales and Education specialist at OUAI haircare.

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