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There are a lot of hair care trends and techniques to keep up with, but there’s one in particular we’d like to talk about: keratin treatments. If you’re not familiar, a keratin treatment is an in-salon treatment that promises to deliver straight hair with lots of shine and a smooth texture—all after just one appointment. Pretty amazing, right? Still, before you book your appointment—there’s some important information you should know. For example, different hair textures, from dry hair to curly hair to frizzy hair, can respond differently to keratin treatments. Here, we’ll walk you through what you need to know about keratin treatments, including how best to care for your hair after you’ve had a keratin treatment.
While there are different variations of keratin treatment formulas, the basic premise is this: a professional hair stylist will use a combination of chemicals and heat to straighten and rearrange your hair’s natural bonds, usually using glutaraldehyde or formaldehyde, according to the American Academy of Dermatology (AAD). After the chemical solution is applied to the hair, the stylist will typically apply a keratin protein conditioner to keep hair from becoming overly dry and brittle. The end result, if all goes well, is straighter, smoother-looking locks. According to the National Center for Biotechnology Information, this popular type of hair treatment now goes by a wide variety of names, including Brazilian blowout, acetic acid treatment, and hair botox.
The keratin treatment process is meant to relax hair, so it generally works best on wavy hair. Keratin treatments will not work on hair that is tightly kinked, however, because as the AAD explains, the natural hair bonds are too tight to rearrange. The bottom line here: Before you commit to a treatment, it’s important to speak with a hair professional who can walk you through the best options for your specific hair type and texture.
As the NCBI states, because this kind of treatment affects the chemical structure of the hair fiber, it’s crucial to understand the process and how it can affect your strand’s specific makeup. Also noteworthy, according to research by the Journal of the American Academy of Dermatology, in some cases unacceptably high concentrations of formaldehyde might be used in these treatments. So again, it’s important to do your research and work with a professional you can trust.
Any time you apply strong chemicals to your hair, whether it be when you dye your hair with permanent hair color or when you receive a keratin treatment, it's incredibly important to take extra steps in your hair care routine to keep your strands looking healthy after the fact. This includes switching out your regular shampoo and conditioner and using a system which includes a deep conditioning mask and a leave-in product on the regular. Need a recommendation? The L'Oréal Paris Eversleek Keratin Caring Shampoo is formulated for chemically straightened locks, without any sulfates, salts or surfactants. Pair it with the L'Oréal Paris Eversleek Keratin Caring Conditioner—even if you have oily roots or strands. Chemically-treated locks require extra nourishment in order to remain hydrated, so skipping conditioner gets a no from us.
Going beyond shampoo and conditioner, a few times a week, use a hydrating hair mask in place of conditioner. Try the L'Oréal Paris Everpure Deep Moisture Hair Sheet Mask, which works in just five minutes. To complete your hair care routine, use the L’Oréal Paris EverPure 10-In-1 Elixir on damp hair to help nourish, hydrate, soothe, and repair strands.
After learning all of this, does a keratin treatment seem a bit too extreme for your taste? No problem—there are plenty of other ways to get straight locks. For starters, you can always use your handy hair straightener. Just remember, before you reach for your flat iron, be sure to use a heat protectant, such as the L'Oréal Paris Advanced Hairstyle SLEEK IT Iron Straight Heatspray. Once you’ve finished styling and straightening, use a few spritzes of hairspray to help lock your look into place. We love the L'Oréal Paris Elnett Precious Oil Satin Hairspray, with is formulated with argan oil and gives strands a beautiful shine.
Need a refresher on how to use a flat iron? We’ve got you covered! Here’s How to Straighten Your Hair with a Flat Iron, and once you’ve mastered that, here’s How to Curl Your Hair with a Flat Iron.